Trademarks used in this text: Dell, the DELL logo, OptiPlex, Inspiron, Dimension, Latitude, Dell Precision, DellNet, TravelLite, Dell OpenManage, PowerVault, Axim, PowerEdge, PowerConnect,

and PowerApp are trademarks of Dell Inc.; Intel, Pentium, and Celeron are registered trademarks of Intel Corporation; Microsoft, MS-DOS, Vista, and Windows are registered

trademarks of Microsoft Corporation; IBM is a registered trademark of International Business Machines Corporation; ENERGY STAR is a registered trademark of the U.S.

Environmental Protection Agency. As an ENERGY STAR partner, Dell Inc. has determined that this product meets the ENERGY STAR guidelines for energy efficiency.

Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any

proprietary interest in trademarks and trade names other than its own.

Model DCSM

January 2007 TJ022 Rev. A00

Windows

operating systems are not applicable.

Table of Contents

Troubleshooting

Summary of Contents for Dell OptiPlex 745c

Page 1 Environmental Protection Agency. As an ENERGY STAR partner, Dell Inc. has determined that this product meets the ENERGY STAR guidelines for energy efficiency. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.
Page 2: Advanced Features
Monitor the status of your computer, such as listening for thermal alerts from temperature probes or hard-drive failure alerts from storage devices. A system that has Dell OpenManage Client Instrumentation set up on a network that uses IT Assistant is a managed system. For information about Dell OpenManage Client Instrumentation, see the Dell OpenManage Client Instrumentation User's Guide available on the Dell Support website at support.dell.com.
Page 3: Active Management Technology
Change the state of your computer by updating its BIOS, configuring BIOS settings, or shutting it down remotely. With Dell Client Manager installed on a console and its client software installed on client computers, you have a managed system. For information about DCM, see the Dell website at www.dell.com/openmanage.
Page 4: Physical Security
Changes are applied and the system reboots. USB Provisioning iAMT can be provisioned using a USB key and Dell Client Manager. The USB key must: Be formatted using the FAT16 file system with no system files Contain only the setup.bin file NOTE: The key should not be bootable.
Page 5: Trusted Platform Module (Tpm)
To secure your TPM data and encryption keys, follow the backup procedures documented in the Archive and Restore section of the EMBASSY Security Center help file. In the event of these backups being incomplete, lost, or damaged, Dell will be unable to assist in the recovery of encrypted data.
Page 6: Security Management Software
Computer Tracking Software Computer tracking software may enable you to locate your computer if it is lost or stolen. The software is optional and may be purchased when you order your Dell™ computer, or you can contact your Dell sales representative for information about this security feature. NOTE: Computer tracking software may not be available in certain countries.
Page 7: Typing Your System Password
To escape from the field without assigning a system password, press <Tab> or the <Shift><Tab> key combination to move to another field, or press <Esc> at any time before you complete step 5. 1. Enter system setup (see Entering System Setup) and verify that Password Status is set to Unlocked.
Page 8: Administrator Password
Administrator Password Option Settings You cannot change or enter a new administrator password if either of the following two options is displayed: Set — An administrator password is assigned. Disabled — The administrator password is disabled by a jumper setting on the system board. You can only assign an administrator password when the following option is displayed: Not Set —...
Page 9: Entering System Setup
Entering System Setup 1. Turn on (or restart) your computer. 2. When the blue DELL™ logo appears, press <F2> immediately. If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft® Windows® desktop. Then shut down your computer (see Turning Off Your Computer) and try again.
Page 10 The computer attempts to boot from the sequence of devices specified in this list. Boot Sequence Drives This option enables or disables the floppy drive. The options are Off, Internal, USB, and Read Only. Diskette Drive (Internal default) NOTE: If USB is selected, ensure that USB Controller setup option under Onboard Devices is set to On.
Page 11 improves with additional logical processors. On enables hyperthreading. (On default) Determines whether the processor will have one or two cores enabled. On enables the second core. Multiple CPU Core (On default) Specifies whether a virtual machine monitor (VMM) can utilize the additional hardware capabilities provided by Intel Virtualization Virtualization technology.
Page 12: Boot Sequence
NOTE: By activating service, you consent to transmission of data from your computer to the Computrace server. Power Management Determines how the system responds when AC power is re-applied after a power loss. Off commands the system to stay off when the power is re-applied.
Page 13: Booting To A Usb Device
Changing Boot Sequence for the Current Boot You can use this feature, for example, to tell the computer to boot from the CD drive so that you can run the Dell Diagnostics on the Drivers and Utilities CD, but you want the computer to boot from the hard drive when the diagnostic tests are complete. You can also use this feature to restart your computer to a USB device such as a floppy drive, memory key, or CD drive.
Page 14: Jumper Settings
3. From the boot menu, select the number that appears next to the USB device. The computer boots to the USB device. Floppy Drive 1. In system setup, set the Diskette Drive option to USB. 2. Save and exit system setup. ...
Page 15: Clearing Cmos Settings
5. After the Microsoft® Windows® desktop appears on your computer, shut down your computer (see Turning Off Your Computer). 6. Turn off the monitor and disconnect it from the electrical outlet. 7. Disconnect the computer power cable from the electrical outlet, and press the power button to ground the system board. ...
Page 16 Standby. In this sleep mode, power is reduced or turned off for most components, including the cooling fans. However, system memory remains active. Hibernate. This sleep mode reduces power consumption to a minimum by writing all data in system memory to a hard drive and then removing system power.
Page 17: Replacing The Battery
Back to Contents Page Battery Dell™ OptiPlex™ 745c User's Guide Replacing the Battery Replacing the Battery CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.
Page 18 1 system battery 2 positive side of battery connector 3 battery socket tab 4 battery socket NOTICE: To avoid damage to the battery connector, you must firmly support the connector while replacing the battery. 5. Install the new system battery. a.
Page 19: Before You Begin
Hold a component such as a processor by its edges, not by its pins. NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty.
Page 20 3. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover. ...
Page 21: Cleaning Your Computer
Back to Contents Page Cleaning Your Computer Dell™ OptiPlex™ 745c User's Guide Computer, Keyboard, and Monitor Mouse Floppy Drive CDs and DVDs CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
Page 22: Cds And Dvds
Clean your floppy drive using a commercially available cleaning kit. These kits contain pretreated floppy disks to remove contaminants that accumulate during normal operation. CDs and DVDs NOTICE: Always use compressed air to clean the lens in the optical drive, and follow the instructions that come with the compressed-air product. Never touch the lens in the drive.
Page 23: Fcc Notices (U.s. Only)
2. This device must accept any interference received, including interference that may cause undesired operation. NOTICE: The FCC regulations provide that changes or modifications not expressly approved by Dell Inc. could void your authority to operate this equipment. These limits are designed to provide reasonable protection against harmful interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation.
Page 24: Finding Information
This document may be optional and may not ship with your How to remove and install parts computer. NOTE: This document is available as a PDF at support.dell.com. Warranty information Dell™ Product Information Guide Terms and Conditions (U.S. only) Safety instructions Regulatory information Ergonomics information...
Page 25 DSS utility. DSS provides critical updates for your operating system and support for Dell™ 3.5-inch USB floppy drives, Intel® processors, optical drives, and USB devices. DSS is necessary for correct operation of your Dell computer. The software automatically detects your computer and operating system and installs the updates appropriate for your configuration.
Page 26 Your operating system product key label is located on your computer (see Service Tag and Microsoft® Windows® License). NOTE: The color of your CD varies based on the operating system you ordered. Back to Contents Page ...
Page 27: Getting Help
Dell's Express Service Code system may not be available in all countries. When prompted by Dell's automated telephone system, enter your Express Service Code to route the call directly to the proper support personnel. If you do not have an Express Service Code, open the Dell Accessories folder, double-click the Express Service Code icon, and follow the directions.
Page 28: Problems With Your Order
Product Information If you need information about additional products available from Dell, or if you would like to place an order, visit the Dell website at www.dell.com. For the telephone number to call for your region or to speak to a sales specialist, see Contacting Dell.
Page 29: Before You Call
NOTE: Have your Express Service Code ready when you call. The code helps Dell's automated-support telephone system direct your call more efficiently. You may also be asked for your Service Tag (located on the back or bottom of your computer).
Page 30 E-mail for Desktops and Portables la-techsupport@dell.com Argentina (Buenos Aires) E-mail for Servers and EMC® Storage Products la_enterprise@dell.com International Access Code: 00 Customer Service toll-free: 0-800-444-0730 Country Code: 54 Technical Support – Dell PowerApp™, Dell PowerEdge™, Dell toll-free: 0-800-222-0154 PowerConnect™, and Dell PowerVault™ City Code: 11 Technical Support Services toll-free: 0-800-444-0724 Sales 0-810-444-3355 www.dell.com.aw ...
Page 31 Online Support support.dell.com.cn Technical Support E-mail support.dell.com.cn/email Customer Service E-mail customer_cn@dell.com Technical Support Fax 592 818 1350 Technical Support – Dell™ Dimension™ and Dell Inspiron™ toll-free: 800 858 2969 Technical Support – Dell OptiPlex™, Dell Latitude™, and Dell toll-free: 800 858 0950 Precision™ Technical Support – Servers and Storage toll-free: 800 858 0960 Technical Support – Projectors, PDAs, Switches, Routers, etc.
Page 32 Online Support czech_dell@dell.com Czech Republic (Prague) Technical Support 22537 2727 International Access Code: 00 Customer Service 22537 2707 22537 2714 Country Code: 420 Technical Fax 22537 2728 Switchboard 22537 2711 Online Support support.euro.dell.com Technical Support 7023 0182 Customer Service – Relational 7023 0184 Denmark (Copenhagen) Home/Small Business Customer Service 3287 5505...
Page 33 Online Support support.dell.com.cn/email Technical Support – Dimension and Inspiron 00852-2969 3188 Technical Support – OptiPlex, Latitude, and Dell Precision 00852-2969 3191 Hong Kong Technical Support – Servers and Storage 00852-2969 3196 International Access Code: 001 Technical Support – Projectors, PDAs, Switches, Routers, etc.
Page 34 Technical Support outside of Japan – Dimension and Inspiron 81-44-520-1435 Technical Support – Dell Precision, OptiPlex, and Latitude toll-free: 0120-198-433 Technical Support outside of Japan – Dell Precision, OptiPlex, and 81-44-556-3894 Latitude Technical Support – Dell PowerApp, Dell PowerEdge, Dell...
Page 35 26 25 77 81 Country Code: 352 Customer Service +32 (0)2 481 91 19 26 25 77 82 Online Support support.ap.dell.com Technical Support – Dell Precision, OptiPlex, and Latitude toll-free: 1 800 880 193 Malaysia (Penang) Technical Support – Dimension, Inspiron, and Electronics and toll-free: 1 800 881 306 Accessories International Access Code: 00 Technical Support – PowerApp, PowerEdge, PowerConnect, and toll-free: 1800 881 386...
Page 36 Singapore (Singapore) Technical Support – Dimension, Inspiron, and Electronics and toll-free: 1 800 394 7430 Accessories International Access Code: 005 Technical Support – OptiPlex, Latitude, and Dell Precision toll-free: 1 800 394 7488 Country Code: 65 Technical Support – PowerApp, PowerEdge, PowerConnect, and toll-free: 1 800 394 7478 PowerVault Customer Service toll-free: 1 800 394 7430 (option 6)
Page 37 Country Code: 886 Customer Service (option 5) Transaction Sales toll-free: 0080 165 1228 Corporate Sales toll-free: 0080 165 1227 Online Support support.ap.dell.com Technical Support (OptiPlex, Latitude, and Dell Precision) toll-free: 1800 0060 07 Thailand Technical Support (PowerApp, PowerEdge, PowerConnect, and toll-free: 1800 0600 09 PowerVault) International Access Code: 001 toll-free: 1800 006 007 Customer Service (option 7)
Page 38 Home and Small Business Fax 0870 907 4006 www.dell.com/uy Online Support Uruguay la-techsupport@dell.com Technical Support, Customer Service, Sales toll-free: 000-413-598-2521 toll-free: 1-877-DELLTTY Dell Services for the Deaf, Hard-of-Hearing, or Speech-Impaired (1-877-335-5889) toll-free: 1-800-727-8320 Technical Support support.dell.com Home and Home Office toll-free: 1-800-624-9896 Portable and Desktop AutoTech toll-free: 1-800-247-9362 Small Business toll-free: 1-800-456-3355...
Page 39 Online Support Venezuela la-techsupport@dell.com Technical Support, Customer Service, Sales 0800-100-4752 Back to Contents Page ...
Page 40 Back to Contents Page Glossary Dell™ OptiPlex™ 745c User's Guide Terms in this Glossary are provided for informational purposes only and may or may not describe features included with your particular computer. A AC — alternating current — The form of electricity that powers your computer when you plug the AC adapter power cable in to an electrical outlet.
Page 41 but you can write to CD-R discs only once. CD-RW/DVD drive — A drive, sometimes referred to as a combo drive, that can read CDs and DVDs and write to CD-RW (rewritable CDs) and CD-R (recordable CDs) discs. You can write to CD-RW discs multiple times, but you can write to CD-R discs only once. clock speed —...
Page 42 ExpressCard — A removable I/O card adhering to the PCMCIA standard. Modems and network adapters are common types of ExpressCards. ExpressCards support both the PCI Express and USB 2.0 standard. Express Service Code — A numeric code located on a sticker on your Dell™ computer. Use the Express Service Code when contacting Dell for assistance. Express Service Code service may not be available in some countries.
Page 43 MB/sec — megabytes per second — One million bytes per second. This measurement is typically used for data transfer ratings. media bay — A bay that supports devices such as optical drives, a second battery, or a Dell TravelLite™ module. memory — A temporary data storage area inside your computer. Because the data in memory is not permanent, it is recommended that you frequently save your files while you are working on them, and always save your files before you shut down the computer.
Page 44 Mini PCI — A standard for integrated peripheral devices with an emphasis on communications such as modems and NICs. A Mini PCI card is a small external card that is functionally equivalent to a standard PCI expansion card. Mini-Card — A small card designed for integrated peripherals, such as communication NICs. The Mini-Card is functionally equivalent to a standard PCI expansion card.
Page 45 — An I/O port often used to connect devices such as a handheld digital device or digital camera to your computer. Service Tag — A bar code label on your computer that identifies your computer when you access Dell Support at support.dell.com or when you call Dell for customer service or technical support.
Page 46 SXGA+ — super-extended graphics array plus — A video standard for video cards and controllers that supports resolutions up to 1400 x 1050. system board — The main circuit board in your computer. Also known as the motherboard. system setup — A utility that serves as an interface between the computer hardware and the operating system. System setup allows you to configure user- selectable options in the BIOS, such as date and time or system password.
Page 47 write-protected — Files or media that cannot be changed. Use write-protection when you want to protect data from being changed or destroyed. To write- protect a 3.5-inch floppy disk, slide its write-protect tab to the open position. WWAN — wireless wide area network. A wireless high-speed data network using cellular technology and covering a much larger geographic area than WLAN. WXGA —...
Page 48: Ddr2 Memory Overview
Mini Tower Computer Specifications NOTICE: Before you install new memory modules, download the most recent BIOS for your computer from the Dell Support website at support.dell.com. NOTE: Memory purchased from Dell is covered under your computer warranty.
Page 49: Removing Memory
If you remove your original memory modules from the computer during a memory upgrade, keep them separate from any new modules that you may have, even if you purchased the new modules from Dell. If possible, do not pair an original memory module with a new memory module.
Page 50 2. Press out the securing clip at each end of the memory module connector. 1 memory connector closest to processor 2 securing clips (2) 3 connector 3. Align the notch on the bottom of the module with the crossbar in the connector. 1 cutouts (2) 2 memory module 3 notch 4 crossbar...
Page 51 10. Run the Dell Diagnostics (see Dell Diagnostics) to verify that the memory modules are operating properly. Back to Contents Page ...
Page 52: Installing An Expansion Card
3 PCI Express x1 card slot 4 PCI Express x16 card slot Installing an Expansion Card NOTE: Your Dell computer uses only PCI and PCI Express slots. ISA cards are not supported. NOTE: The serial port adapter for your mini tower computer also includes two PS/2 connectors.
Page 53 1 card retention latch 2 alignment guide 3 card 4 card-edge connector 5 card connector 6 release tab 3. If you are installing a new card, remove the filler bracket to create a card-slot opening. Then continue with step 5. ...
Page 54: Removing An Expansion Card
1 fully seated card 2 not fully seated card 3 bracket within slot 4 bracket caught outside of slot 10. Before you lower the card retention mechanism, ensure that: The tops of all cards and filler brackets are flush with the alignment bar. The notch in the top of the card or filler bracket fits around the alignment guide.
Page 55 1 card retention latch 2 alignment guide 3 card 4 card-edge connector 5 card connector 6 release tab 3. If necessary, disconnect any cables connected to the card. 4. Grasp the card by its top corners, and ease it out of its connector. ...
Page 56 11. If you removed an network-adapter card connector: a. Enter system setup, select Network Controller, and change the setting to On (see System Setup). b. Connect the network cable to the integrated network connector on the back panel of the computer. Back to Contents Page ...
Page 57: Removing The Processor
Back to Contents Page Dell™ OptiPlex™ 745c User's Guide Processor Processor CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.
Page 58: Installing The Processor
1 center cover latch 2 processor cover 3 processor 4 socket 5 release lever NOTICE: When replacing the processor, do not touch any of the pins inside the socket or allow any objects to fall on the pins in the socket. ...
Page 59 7 front alignment-notch 8 socket and processor pin-1 indicator 9 rear alignment-notch NOTICE: To avoid damage, ensure that the processor aligns properly with the socket, and do not use excessive force when you install the processor. 6. Set the processor lightly in the socket and ensure that the processor is positioned correctly. ...
Page 60: General Installation Guidelines
Back to Contents Page Drives Dell™ OptiPlex™ 745c User's Guide General Installation Guidelines Hard Drive Drive-Panel Inserts Floppy Drive Optical Drive Your computer supports: Two SATA (Serial ATA) hard drives One floppy drive Two SATA optical drives NOTE: Due to the limited number of drive bays and controllers on this computer, you will not be able to connect all supported devices at once.
Page 61: Power Cable Connectors
interface cable connector interface connector Most interface connectors are keyed for correct insertion; that is, a notch or a missing pin on one connector matches a tab or a filled-in hole on the other connector. Keyed connectors ensure that the pin-1 wire in the cable (indicated by the colored stripe along one edge of certain cables—SATA cables do not use a colored stripe) goes to the pin-1 end of the connector.
Page 62: Installing A Hard Drive
data cable hard-drive system board connector power cable 5. Press in on the blue release tabs on each side of the drive and slide the drive up and out of the computer. data cable hard-drive system board connector power cable hard drive release tabs (2) ...
Page 63 hard drive hard-drive bracket hard drive hard-drive bracket 4. Gently spread the sides of the drive bracket and slide the hard drive into the bracket until the drive clicks into place. 5. Carefully slide the hard drive into the drive bay until it clicks into place. ...
Page 64: Adding A Second Hard Drive
13. Partition and logically format your drive before you proceed to the next step. See the documentation for your operating system for instructions. 14. Test the hard drive by running the Dell Diagnostics (see Dell Diagnostics). 15. If the drive you just installed is the primary drive, install your operating system on the hard drive.
Page 65: Drive-Panel Inserts
8. Attach the SATA connector removed in step 5 to the first hard drive. 9. Locate an unused SATA connector on the system board and attach a data cable to this connector and to the second hard drive. data cable hard-drive system board connector power cable ...
Page 66 drive panel release tab drive-panel insert 3. Select the drive-panel insert in front of the drive bay that you want to use. 4. Gently press the release tab of the insert to remove it from the drive panel. 1 optical-drive panel insert 2 floppy-drive panel insert 3 holder for shoulder screws...
Page 67: Removing The Floppy Drive
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the computer cover. Removing the Floppy Drive 1. Follow the procedures in Before You Begin. 2. Remove the drive panel by sliding the drive release latch downward to open the panel, and then remove it from the hinges. ...
Page 68: Removing An Optical Drive
6. Enter system setup (see Entering System Setup), and use the Diskette Drive option to enable your new floppy drive. 7. Verify that your computer works correctly by running the Dell Diagnostics (see Dell Diagnostics). Optical Drive ...
Page 69: Installing An Optical Drive
optical drive drive release latch Installing an Optical Drive 1. Follow the procedures in Before You Begin. 2. If you are replacing an optical drive, remove the shoulder screws from the existing drive and attach the screws to the replacement drive. ...
Page 70 9. Update your configuration information in system setup by setting the appropriate Drive option (0 or 1) under Drives. See System Setup. 10. Verify that your computer works correctly by running the Dell Diagnostics (see Dell Diagnostics). Back to Contents Page...
Page 71: Removing The I/O Panel
Back to Contents Page Dell™ OptiPlex™ 745c User's Guide I/O Panel I/O Panel Removing the I/O Panel CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.
Page 72: Replacing The Power Supply
Back to Contents Page Dell™ OptiPlex™ 745c User's Guide Power Supply Power Supply Replacing the Power Supply CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.
Page 73: Dc Power Connectors
10. Connect the AC power cable to the AC power connector. 11. Replace the computer cover (see Replacing the Computer Cover). DC Power Connectors DC Power Connector P1 Pin Number Signal name 18-AWG Wire +3.3 VDC Orange +3.3 VDC...
Page 74 +5 VDC +5 VDC +5 VDC Black *Optional wire. Use 22-AWG wire instead of 18-AWG wire. DC Power Connector P2 Pin Number Signal Name 18-AWG Wire Black Black +12 VADC Yellow +12 VADC Yellow DC Power Connectors P3, P5, P8, and P9 ...
Page 75 Pin Number Signal name 18-AWG Wire +12 VBDC White Black Black +5 VDC Back to Contents Page ...
Page 76: Removing The Computer Cover
Back to Contents Page Dell™ OptiPlex™ 745c User's Guide Removing the Computer Cover Removing the Computer Cover CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the computer cover.
Page 77: Mini Tower Computer Specifications
Back to Contents Page Dell™ OptiPlex™ 745c User's Guide Mini Tower Computer Specifications Mini Tower Computer Specifications Microprocessor Microprocessor type Intel® Core™ 2 Duo processor Internal cache At least 2 MB pipelined-burst, eight-way set associative, write-back SRAM Memory Type 667, or 800 MHz DDR2 SDRAM NOTE: 2-GB 800-MHz memory modules are not supported. Memory connectors...
Page 78 USB 2.0 Bus speed PCI: 133 MB/s PCI Express x16: 8 GB/s bidirectional speed PCI Express x1: 5 Gbps SATA: 1.5 Gbps and 3.0 Gbps USB: 480 Mbps Cards: full-height cards supported PCI: connectors connector size 120 pins connector data width 32 bits (maximum) PCI Express:...
Page 79 Controls and Lights Power control push button Power light green light — blinking green indicates sleep mode; solid green indicates power-on state. amber light — blinking amber indicates a problem with an installed device; solid amber indicates an internal power problem (see Power Problems).
Page 80: Transferring Information To A New Computer
Back to Contents Page Microsoft® Windows® XP and Windows® Vista™ Features Dell™ OptiPlex™ 745c User's Guide Transferring Information to a New Computer Microsoft® Windows Vista™ User Accounts and Fast User Switching Setting Up a Home and Office Network Transferring Information to a New Computer ® ®...
Page 81: Running The Files And Settings Transfer Wizard Without The Operating System Cd
8. Click Finish. To transfer data to the new computer: 1. On the Now go to your old computer screen on the new computer, click Next. 2. On the Where are the files and settings? screen, select the method you chose for transferring your settings and files and click Next. The wizard reads the collected files and settings and applies them to your new computer.
Page 82: Microsoft® Windows Vista
Windows Vista Install DVD package. During the Windows Vista upgrade process, you will: Use the Dell Windows Vista Upgrade Assistant DVD to check your system for compatibility and perform any required updates to your Dell-installed applications and drivers.
Page 83: User Accounts And Fast User Switching
Ensure that you have a backup copy of your third-party software before you begin the Windows Vista upgrade. For information on how to back up your data, or to find Windows Vista compatible drivers/updates for your Dell-installed applications: ...
Page 84: Network Setup Wizard
1. Connect the network cable to the network adapter connector on the back of your computer. Insert the cable until it clicks into place, and then gently pull it to ensure that it is secure. 2. Connect the other end of the network cable to a network device. ...
Page 85: Replacing The Computer Cover
Back to Contents Page Replacing the Computer Cover Dell™ OptiPlex™ 745c User's Guide CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. 1. Ensure that all cables are connected, and fold cables out of the way.
Page 86: Reinstalling Drivers And The Operating System
A driver acts like a translator between the device and any other programs that use the device. Each device has its own set of specialized commands that only its driver recognizes. Dell ships your computer to you with required drivers already installed—no further installation or configuration is needed. NOTICE: The optional Drivers and Utilities CD may contain drivers for operating systems that are not on your computer.
Page 87: Using Microsoft Windows Xp System Restore
If this is your first time to use the Drivers and Utilities CD, the Installation window opens to inform you that the CD will begin the installation. Click OK and respond to the installation program prompts to complete the installation. 2. Click Next at the Welcome Dell System Owner screen. 3. Choose the appropriate selections for System Model, Operating System, Device Type, and Topic.
Page 88: Restoring The Computer To An Earlier Operating State
Restoring the Computer to an Earlier Operating State NOTICE: Before you restore the computer to an earlier operating state, save and close any open files and exit any open programs. Do not alter, open, or delete any files or programs until the system restoration is complete. ...
Page 89: Reinstalling Windows Xp
The Operating System CD provides options for reinstalling Windows XP. The options can overwrite files and possibly affect programs installed on your hard drive. Therefore, do not reinstall Windows XP unless a Dell technical support representative instructs you to do so.
Page 90 9. If the Modem Dialing Information screen appears, enter the requested information and click Next. 10. Enter the date, time, and time zone in the Date and Time Settings window, and click Next. 11. If the Networking Settings screen appears, click Typical and click Next. ...
Page 91: Solving Problems
If you have to repeatedly reset time and date information after turning on the computer, or if an incorrect time or date displays during start-up, replace the battery (see Battery). If the battery still does not work properly, contact Dell (see Contacting Dell).
Page 92: Optical Drive Problems
3. Close the computer cover (see Replacing the Computer Cover), reconnect the computer and devices to electrical outlets, and then turn them on. 4. Run the Dell Diagnostics. See Dell Diagnostics. Test the cards — ...
Page 93: E-Mail, Modem, And Internet Problems
NOTE: Because of different regions worldwide and different disc formats, not all DVD titles work in all DVD drives. Adjust the Windows volume control — Click the speaker icon in the lower-right corner of your screen. Ensure that the volume is turned up by clicking the slidebar and dragging it up. Ensure that the sound is not muted by clicking any boxes that are checked.
Page 94: Keyboard Problems
Remove keyboard extension cables and connect the keyboard directly to the computer. Test the keyboard — Connect a properly working keyboard to the computer, and try using the keyboard. If the new keyboard works, the original keyboard is faulty. Run the Dell Diagnostics — See Dell Diagnostics. Check for software and hardware conflicts —...
Page 95: Memory Problems
Use a virus-scanning program to check the hard drive, floppy disks, or CDs Save and close any open files or programs and shut down your computer through the Start menu Run the Dell Diagnostics — If all tests run successfully, the error condition is related to a software problem. See Dell Diagnostics.
Page 96: Mouse Problems
See the software documentation for minimum memory requirements. If necessary, install additional memory (see Installing Memory). Reseat the memory modules to ensure that your computer is successfully communicating with the memory (see Memory). Run the Dell Diagnostics (see Dell Diagnostics). ...
Page 97: Power Problems
Check the network cable connector — Ensure that the network cable is firmly inserted into both the network connector on the back of the computer and the network jack. Check the network lights on the front or back of the computer depending on system chassis type. — No connection speed light indicates that no network communication exists. Replace the network cable. ...
Page 98: Restoring Default Settings
Setup) and ensure that the Serial Port #1 setting (or the Serial Port #2 settings if you have an optional serial port adapter installed) or the LPT Port Mode setting matches the recommended settings. Run the Dell Diagnostics — Dell Diagnostics.
Page 99: Sound And Speaker Problems
If you have installed an audio card: Enter system setup and ensure that Integrated Audio is set to Off. Ensure that your speaker is connected to the audio card inputs Run the Dell Diagnostics — Dell Diagnostics. Run the Audio Card Driver Diagnostics, If Applicable —...
Page 100: Video And Monitor Problems
Check the headphone cable connection — Ensure that the headphone cable is securely inserted into the headphone connector. Disable digital mode — Your headphones do not work if the CD drive is operating in digital mode. 1. Click the Start button, click Control Panel, and then click Sounds, Speech, and Audio Devices. 2.
Page 101 Move the monitor away from external power sources — Fans, fluorescent lights, halogen lamps, and other electrical devices can cause the screen image to appear "shaky." Turn off nearby devices to check for interference. Adjust the Windows display settings — 1. Click the Start button, click Control Panel, and then click Appearance and Themes. 2.
Page 102: Removing The Chassis Intrusion Switch
2. Replace the computer cover (see Replacing the Computer Cover). 3. If you are using a computer stand, attach it to the computer. Resetting the Chassis Intrusion Detector 1. Turn on (or restart) your computer. 2. When the blue DELL™ logo appears, press <F2> immediately. ...
Page 103 If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft® Windows® desktop. Then shut down your computer and try again. 3. Select the Chassis Intrusion option and then press the left- or right-arrow key to select Reset. Change the setting to On, On-Silent, or Disabled. NOTE: The default setting is On-Silent.
Page 104: Replacing The System Board
Back to Contents Page Replacing the System Board Dell™ OptiPlex™ 745c User's Guide Removing the System Board 1. Follow the procedures in Before You Begin. NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer.
Page 105 Back to Contents Page ...
Page 106 Environmental Protection Agency. As an ENERGY STAR partner, Dell Inc. has determined that this product meets the ENERGY STAR guidelines for energy efficiency. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.
Page 107: About Your Mini Tower Computer
Back to Contents Page Mini Tower Computer Dell™ OptiPlex™ 745c User's Guide About Your Mini Tower Computer Inside Your Computer About Your Mini Tower Computer Front View 5.25-inch Can contain an optical drive. Insert a CD or DVD (if supported) into this drive bay drive.
Page 108: Back View
No light — The computer is turned off. Steady green — The computer is in a normal operating state. Blinking green — The computer is in a power-saving mode. Blinking or solid amber — See your online User's Guide. To exit from a power-saving mode, press the power button or use the keyboard or the mouse if it is configured as a wake device in the Windows Device Manager.
Page 109 1 parallel Connect a parallel device, such as a printer, to the parallel connector. If connector you have a USB printer, plug it into a USB connector. NOTE: The integrated parallel connector is automatically disabled if the computer detects an installed card containing a parallel connector configured to the same address.
Page 110: Inside Your Computer
Inside Your Computer CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide. CAUTION: To avoid electrical shock, always unplug your computer from the electrical outlet before removing the computer cover. NOTICE: Be careful when opening the computer cover to ensure that you do not accidentally disconnect cables from the system board.
Page 111 (SLOT1) memory module connectors (DIMM_1, DIMM_2, 15 PCI Express x1 connector DIMM_3, DIMM_4) (SLOT4) RTC reset jumper (RTCRST) 16 PCI connector (SLOT2) password jumper (PSWD) 17 PCI connector (SLOT3) SATA drive connectors (SATA0, SATA1, SATA4, 18 serial connector (SER2) SATA5) manufacturing mode jumper (MFG_MODE) 19 floppy drive connector (DSKT) front-panel connector (FNT_PANEL)
Page 112: Troubleshooting Tools And Utilities
When to Use the Dell Diagnostics If you experience a problem with your computer, perform the checks in this section and run the Dell Diagnostics before you contact Dell for technical assistance. It is recommended that you print these procedures before you begin.
Page 113: System Lights
NOTE: The Service Tag for your computer is located at the top of each test screen. If you contact Dell, technical support will ask for your Service Tag. Your computer's Service Tag is listed in the System Info option in system setup. See System Setup for more information.
Page 114: Diagnostic Lights
If the problem still exists, install a graphics card that you know works and restart the computer. If the problem persists or the computer has integrated graphics, contact Dell (see Contacting Dell). A possible floppy or hard drive failure has Reseat all power and data cables and restart the computer.
Page 115: Beep Codes
If your computer beeps during start-up: 1. Write down the beep code on the Diagnostics Checklist. 2. Run the Dell Diagnostics to identify a more serious cause (see Dell Diagnostics). 3. Contact Dell for technical assistance (see Contacting Dell).
Page 116: Error Messages
Dell) and report the checkpoint code (nnnn) to the support technician. Alert! Air temperature sensor not detected — Ensure that all cables are securely fastened to the I/O panel and to the system board and reboot your computer. If this does not resolve the problem, contact Dell (see Contacting Dell). Attachment failed to respond —...
Page 117 Enter system setup and ensure that the computer configuration information for the hard drive is correct (see Entering System Setup). No timer tick interrupt — Run the Dell Diagnostics (see Dell Diagnostics). Non-system disk or disk error — Replace the floppy disk with one that has a bootable operating system or remove the floppy disk from drive A and restart the computer.
Page 118 WARNING: Dell's Disk Monitoring System has detected that drive [0/1] on the [primary/secondary] EIDE controller is operating outside of normal specifications. It is advisable to immediately back up your data and replace your hard drive by calling your support desk or Dell —...
Page 119: Resolving Software And Hardware Incompatibilities
Resolving Software and Hardware Incompatibilities If a device is either not detected during the operating system setup or is detected but incorrectly configured, you can use Device Manager or the Hardware Troubleshooter to resolve the incompatibility. ® ® Microsoft Windows To resolve incompatibilities using Device Manager: ...
Page 120: Warranty
Dell™ OptiPlex™ 745c User's Guide Dell Inc. ("Dell") manufactures its hardware products from parts and components that are new or equivalent to new in accordance with industry-standard practices. For information about the Dell warranty for your computer, see the Product Information Guide or separate paper warranty document that shipped with your computer.

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