Related Manuals for Dell OptiPlex 990 Mini-Tower
Summary of Contents for Dell OptiPlex 990 Mini-Tower
- Page 1 Dell OptiPlex 990 Mini-Tower Service Manual Regulatory Model D09M Regulatory Type D09M001...
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Page 2: Notes, Cautions, And Warnings
Information in this publication is subject to change without notice. © 2011 Dell Inc. All rights reserved. Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: Dell... -
Page 3: Table Of Contents
Contents Notes, Cautions, and Warnings..............2 1 Working on Your Computer..............7 ................7 Before Working Inside Your Computer ......................8 Recommended Tools ....................9 Turning Off Your Computer ................9 After Working Inside Your Computer 2 Cover......................11 ......................11 Removing the Cover ......................12 Installing the Cover 3 Front Bezel....................13 ....................13 Removing the Front Bezel... - Page 4 .....................24 Installing the Memory 8 Chassis Intrusion Switch................25 .................25 Removing The Chassis Intrusion Switch ..................26 Installing the Intrusion Switch 9 Speaker......................27 ....................27 Removing The Speaker .....................28 Installing the Speaker 10 Heat Sink....................29 ................29 Removing the Heat Sink and Processor ................31 Installing the Heat Sink and Processor 11 Coin-Cell Battery..................33 ..................33...
- Page 5 Boot Menu Enhancements ....................54 Timing Key Sequences ................55 Beep Codes and Text Error Messages ........................55 Navigation .....................55 System Setup Options 19 Troubleshooting..................67 ......................67 Diagnostic LEDs ........................74 Beep Codes .......................77 Error Messages 20 Specifications..................87 ....................87 Technical Specifications 21 Contacting Dell..................97 .......................97 Contacting Dell...
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Page 7: Working On Your Computer
Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product. -
Page 8: Recommended Tools
CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some cables have connectors with locking tabs; if you are disconnecting this type of cable, press in on the locking tabs before you disconnect the cable. -
Page 9: Turning Off Your Computer
Connect any telephone or network cables to your computer. Connect your computer and all attached devices to their electrical outlets. Turn on your computer. Verify that the computer works correctly by running the Dell Diagnostics. -
Page 11: Cover
Cover Removing the Cover Before Working Inside Your Computer . Follow the procedures in Pull up the cover-release-latch at the side of the computer. Lift the cover upward to a 45–degree angle and remove it from the computer. -
Page 12: Installing The Cover
Installing the Cover Place the cover on the computer. Press down on the cover till it clicks into place. After Working Inside Your Computer . Follow the procedures in... -
Page 13: Front Bezel
Front Bezel Removing the Front Bezel Before Working Inside Your Computer . Follow the procedures in cover . Remove the Pry the front bezel retention clips away from the chassis located at the side edge of front bezel. Rotate the bezel away from the computer to release the hooks on the opposite edge of the bezel from the chassis. -
Page 14: Installing The Front Bezel
Installing The Front Bezel Insert the hooks along the bottom edge of the front bezel into the slots on the chassis front. Rotate the bezel toward the computer to engage the four front-bezel retention clips until they click into place. cover . -
Page 15: Expansion Card Tab
Expansion Card Tab Removing the Expansion Card Before Working Inside Your Computer . Follow the procedures in cover . Remove the Push the release tab on the card-retention latch outward. Pull the release lever away from the PCIe x16 card to release the securing tab from the dent in the card. - Page 16 Lift the PCI expansion card (if any) up and out of its connector and remove it from the computer. Lift the PCI x4 expansion card (if any) up and out of its connector and remove it from the computer.
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Page 17: Installing The Expansion Card
Installing The Expansion Card Insert the PCIe x4 card into the connector on the system board and press down to secure it in place. Insert the PCIe card (if any) into the connector on the system board and press down to secure it in place. Insert the PCIe x1 card (if any) into the connector on the system board and press down to secure it in place. -
Page 19: Optical Drive
Optical Drive Removing the Optical Drive Before Working Inside Your Computer . Follow the procedures in cover . Remove the front bezel . Remove the Remove the data cable and power cable from the back of the optical drive. Slide down the optical-drive latch and then push the optical drive from the back towards the front of the computer. -
Page 20: Installing The Optical Drive
Installing The Optical Drive Slide up the optical-drive latch and push the optical drive from the front towards the back of the computer. Connect the data cable and power cable to the optical drive. front bezel . Install the cover . Install the After Working Inside Your Computer . -
Page 21: Hard Drive
Hard Drive Removing the Hard Drive Before Working Inside Your Computer . Follow the procedures in cover . Remove the Remove the data cable and power cable from the back of the hard drive. Press both blue securing-bracket tabs inwards and lift the hard-drive bracket out of the bay. -
Page 22: Installing The Hard Drive
Repeat the above steps for the second hard drive, if available. Installing The Hard Drive Flex the hard-drive bracket and then insert the hard drive into the bracket. Press both blue securing-bracket tabs inward and slide the hard-drive bracket into the bay in the chassis. Connect the data cable and power cable to the back of the hard drive. -
Page 23: Memory
Memory Removing the Memory Before Working Inside Your Computer . Follow the procedures in cover . Remove the Release the memory-retention clips on each side of the memory modules. Lift the memory modules out of the connectors on the system board. -
Page 24: Installing The Memory
Installing the Memory Insert the memory modules into the connectors on the system board. Install the memory module in the order of A1 > B1 > A2 > B2. Press down on the memory modules until the retention clips spring back to secure them in place. -
Page 25: Chassis Intrusion Switch
Chassis Intrusion Switch Removing The Chassis Intrusion Switch Before Working Inside Your Computer . Follow the procedures in cover . Remove the Disconnect the intrusion switch-cable from system board. Slide the intrusion switch toward the chassis bottom and remove it from the system board. -
Page 26: Installing The Intrusion Switch
Installing the Intrusion Switch Insert the intrusion switch into the chassis rear and slide it toward the chassis top to secure it. Connect the intrusion switch-cable to the system board. cover . Install the After Working Inside Your Computer . Follow the procedures in... -
Page 27: Speaker
Speaker Removing The Speaker Before Working Inside Your Computer . Follow the procedures in cover . Remove the Disconnect the speaker cable from the system board. Unthread the speaker cable from the chassis clip. Press down the speaker-securing tab and slide the speaker upwards to remove it. -
Page 28: Installing The Speaker
Installing the Speaker Press the speaker-securing tab and slide the speaker downward to secure Thread the speaker cable into the chassis clip. Connect the speaker cable to the system board. cover . Install the After Working Inside Your Computer . Follow the procedures in... -
Page 29: Heat Sink
Heat Sink Removing the Heat Sink and Processor Before Working Inside Your Computer . Follow the procedures in cover . Remove the Disconnect the heat sink assembly cable from the system board. Loosen the captive screws that secure the heat sink assembly to the system board. - Page 30 Press the release lever down and then move it outwards to release it from the retention hook that secures it. Lift the processor cover. Lift the processor to remove it from the socket and place it in an antistatic package.
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Page 31: Installing The Heat Sink And Processor
Installing the Heat Sink and Processor Insert the processor into the processor socket. Ensure the processor is properly seated. Lower the processor cover. Press the release lever down and then move it inward to secure it with the retention hook. Place the heat sink assembly into the chassis. -
Page 33: Coin-Cell Battery
Coin-Cell Battery Removing The Coin-Cell Battery Before Working Inside Your Computer . Follow the procedures in cover . Remove the Press the release latch away from the coin-cell battery to allow the battery to pop-up from the socket. Lift the coin-cell battery out of the computer. -
Page 34: Installing The Coin-Cell Battery
Installing The Coin-Cell Battery Place the coin-cell battery into its slot on the system board. Press the coin-cell battery downwards until it is secured. cover . Install the After Working Inside Your Computer . Follow the procedures in... -
Page 35: Power-Switch Cable
Power-Switch Cable Removing the Power-Switch Cable Before Working Inside Your Computer . Follow the procedures in cover . Remove the front bezel . Remove the optical drive . Remove the Disconnect the power-switch cable from the system board. Unthread the power-switch cable from the chassis clips. Unthread the power-switch cable from the chassis clip. -
Page 36: Installing The Power-Switch Cable
Pry the power-switch cable free. Slide the power-switch cable out through the front of the computer. Installing the Power-Switch Cable Slide the power-switch cable in through the front of the computer. Secure the power-switch cable to the chassis. Thread the power-switch cable into the chassis clips. Connect the power-switch cable to the system board. - Page 37 optical drive . Install the front bezel . Install the cover . Install the After Working Inside Your Computer . Follow the procedures in...
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Page 39: Front Thermal Sensor
Front Thermal Sensor Removing the Front Thermal Sensor Before Working Inside Your Computer . Follow the procedures in cover . Remove the Disconnect the thermal-sensor cable from the system board. Unthread the thermal-sensor cable from the chassis clip. Pry the thermal sensor away from the chassis front and remove. -
Page 40: Installing The Front Thermal Sensor
Installing the Front Thermal Sensor Secure the thermal sensor to the chassis front. Thread the thermal sensor cable into the chassis clips. Connect the thermal sensor cable to the system board. cover . Install the After Working Inside Your Computer . Follow the procedures in... -
Page 41: Chassis Fan
Chassis Fan Removing The System Fan Before Working Inside Your Computer . Follow the procedures in cover . Remove the Disconnect the system fan cable from the system board. Pry and remove the system fan away from the four grommets securing it to the back of the computer. -
Page 42: Installing The System Fan
Installing the System Fan Place the system fan in the chassis. Pass the four grommets through the chassis and slide outward along the grooves to secure them in place. Connect the fan cable to the system board. cover . Install the After Working Inside Your Computer . -
Page 43: Input/Output Panel
Input/Output Panel Removing the Input/Output Panel Before Working Inside Your Computer . Follow the procedures in cover . Remove the front bezel . Remove the Disconnect the Input/Output Panel and FlyWire cable from the system board. Unthread the Input/Output Panel and FlyWire cable from the clip on the computer. -
Page 44: Installing The Input/Output Panel
Slide the Input/Output panel towards the left of the computer to release it. Remove the Input/Output panel by routing the cable through the front of the computer. Installing the Input/Output Panel Insert the Input/Output panel into the slot on the chassis front. Slide the Input/Output panel towards the right of the computer to secure to the chassis. - Page 45 Tighten the single screw to secure the Input/Output panel to the chassis. Thread the Input/Output panel or the FlyWire cable into the chassis clip. Connect the Input/Output panel or the FlyWire cable to the system board. front bezel . Install the cover .
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Page 47: Power Supply
Power Supply Removing The Power Supply Before Working Inside Your Computer . Follow the procedures in cover . Remove the Disconnect the power cables connected to the hard drive(s) and optical drive(s). Unthread the power cables from the clips in the computer. Disconnect the 24-pin power cable from the system board. - Page 48 Disconnect the 4-pin power cable from the system board. Remove the screws that secure the power supply to the back of the computer. Push in on the blue release tab beside the power supply, and slide the power supply towards the front of the computer.
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Page 49: Installing The Power Supply
Lift the power supply out of the computer. Installing the Power Supply Place the power supply in the chassis and slide towards the back of the computer to secure it. Tighten the screws securing the power supply to the back of the computer. Connect the 4-pin power cable to the system board. -
Page 51: System Board
System Board Removing The System Board Before Working Inside Your Computer . Follow the procedures in cover . Remove the front bezel . Remove the expansion card . Remove the heat sink and processor . Remove the Disconnect all the cables connected to the system board. Remove the screws that secure the system board to the computer. -
Page 52: Installing The System Board
Slide the system board towards the front of the computer. Tilt the system board to 45–degrees, and then lift the system board out of the computer. Installing the System Board Align the system board to the port connectors on the back of the chassis and place the system board in the chassis. -
Page 53: System Setup
System Setup System Setup This computer offers you the following options: • Access System Setup by pressing <F2> • Bring up a one-time boot menu by pressing <F12> Press <F2> to enter System Setup and make changes to the user-definable settings. -
Page 54: Timing Key Sequences
Partition. The benefit here is that you do not have to remember the <Ctrl><Alt><D> and <Ctrl><Alt><F10> keystrokes (although they still work). NOTE: The BIOS features an option to disable either or both of the keystroke prompts under the System Security / Post Hotkeys submenu. When you enter the <F12>... -
Page 55: Beep Codes And Text Error Messages
Previous attempts at booting the system have failed at checkpoint ______. For help resolving this problem, please note this checkpoint and contact Dell Technical Support. Navigation The computer setup can be navigated by either the keyboard or the mouse. - Page 56 General Memory Technology, DIMM 1 Size, DIMM 2 Size, DIMM 3 Size, and DIMM 4 Size. • Processor Information: Displays Processor Type, Core Count, Processor ID, Current Clock Speed, Minimum Clock Speed, Maximum Clock Speed, Processor L2 Cache, Processor L3 Cache, HT Capable, and 64-Bit Technology. •...
- Page 57 System Configuration Serial Port Allows you to define the serial port settings. You can set the serial port to: • Disabled • Auto • COM1 • COM2 • COM3 • COM4 NOTE: The operating system may allocate resources even though the setting is disabled. SATA Operation Allows you to configure the operating mode of the integrated hard drive controller.
- Page 58 System Configuration If USB port is disabled, the OS cannot see any device attached to this port. • Enable USB Controller • Disable USB Mass Storage Dev • Disable USB Controller NOTE: USB keyboard and mouse always work in the BIOS setup irrespective of these settings.
- Page 59 Security • System Password Max Password Bypass Allows you to bypass the System (Boot) Password and the internal HDD password prompts during a system restart. • Disabled — Always prompt for the system and internal HDD password when they are set. This option is disabled by default.
- Page 60 Security Chassis Intrusion Allows you to enable or disable the chassis intrusion feature. You can set this option to: • Clear Intrusion Warning — Enabled by default if chassis intrusion is detected. • Disable • Enable • On-Silent — Enabled by default if chassis intrusion is detected.
- Page 61 Performance Intel® TurboBoost™ Allows you to enable or disable Inel TurboBoost mode of the processor. • Disabled — Does not allow the TurboBoost driver to increase the performance state of the processor above the standard performance. • Enabled — Allows the Intel Turbo driver to increase the performance of the CPU or graphics processor.
- Page 62 Power Management Wake on LAN This option allows the computer to power up from the off state when triggered by a special LAN signal. Wake-up from the Standby state is unaffected by this setting and must be enabled in the operating system. This feature only works when the computer is connected to AC power supply.
- Page 63 Virtualization Support provided by Intel® Virtualization Technology. Enable Intel® Virtualization Technology — This option is enabled by default. VT for Direct I/O Enables or disables the Virtual Machine Monitor (VMM) from utilizing the additional hardware capabilities provided by Intel® Virtualization technology for direct I/O. Enable Intel® Virtualization Technology for Direct I/O —...
- Page 64 Image Server NOTE: This field is only relevant when the "Integrated NIC" control in the "System Configuration" group is set to "Enabled with ImageServer". Client DHCP Specifies how the client obtains the IP address. • Static IP • DNS (enabled by default) NOTE: This field is only relevant when the "Integrated NIC"...
- Page 65 System Logs • Clear Log DellDiag Events Displays the DellDiag event log. Thermal Events Displays the thermal event log and allows you to: • Clear Log Power Events Allows you to clear the power event logs. • Clear Log BIOS Progress Events Displays the BIOS Progress event log.
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Page 67: Troubleshooting
Troubleshooting Diagnostic LEDs NOTE: The diagnostic LEDs only serve as an indicator of the progress through the Power-on Self-Test (POST) process. These LEDs do not indicate the problem that caused the POST routine to stop. The diagnostic LEDs are located on the front of the chassis next to the power button. - Page 68 • Ensure that any power strips being used are plugged into an electrical outlet and are turned on. • Ensure that the electrical outlet is working by testing it with another device, such as a lamp. • Ensure that the main power cable and front panel cable are securely connected to the system board.
- Page 69 • If the LED still does not illuminate, the problem is with the power supply. Power Button Problem Memory modules are detected, but a memory power failure has Description occurred. Troubleshooting • If two or more memory modules are installed, remove Steps the modules, then re-install one module and re-start the computer.
- Page 70 Problem Description A possible system board failure has occurred. Troubleshooting Steps Remove all peripheral cards from the PCI and PCI-E slots and re-start the computer. If the computer boots, add the peripheral cards back one by one until you find the bad one. Power Button Problem Description Power connector not installed properly.
- Page 71 • If the problem persists, the system board is faulty. Power Button Problem Description A possible coin cell battery failure has occurred. Troubleshooting Steps Remove the coin cell battery for one minute, reinstall the battery, and restart. Power Button Problem Description A possible processor failure has occurred.
- Page 72 • If available, install working memory of the same type into your computer. Power Button Problem Description A possible hard drive failure has occurred. Troubleshooting Steps Re-seat all power and data cables. Power Button Problem Description A possible USB failure has occurred. Troubleshooting Steps Re-install all USB devices and check all cable connections.
- Page 73 Power Button Problem Description Memory modules are detected, but a memory configuration or compatibility error has occurred. Troubleshooting Steps • Ensure that no special requirements for memory module/connector placement exist. • Ensure that the memory you are using is supported by your computer.
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Page 74: Beep Codes
Problem Description A possible system board resource and/or hardware failure has occurred. Troubleshooting • Clear CMOS. Steps • Disconnect all internal and external peripherals, and restart the computer. If the computer boots, add the peripheral cards back one by one until you find the bad one. - Page 75 Code 1-1-2 Cause Microprocessor register failure Code 1-1-3 Cause NVRAM Code 1-1-4 Cause ROM BIOS checksum failure Code 1-2-1 Cause Programmable interval timer Code 1-2-2 Cause DMA initialization failure Code 1-2-3 Cause DMA page register read/write failure Code 1-3-1 through 2-4-4 Cause DIMMs not being properly identified or used Code...
- Page 76 Code 3-2-4 Cause Keyboard Controller Test failure Code 3-3-1 Cause NVRAM power loss Code 3-3-2 Cause NVRAM configuration Code 3-3-4 Cause Video Memory Test failure Code 3-4-1 Cause Screen initialization failure Code 3-4-2 Cause Screen retrace failure Code 3-4-3 Cause Search for video ROM failure Code 4–2–1...
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Page 77: Error Messages
[nnnn]. For help in resolving this problem, please note this checkpoint and contact Dell Technical Support. Description The computer failed to complete the boot routine three consecutive times for the same error. Contact Dell and report the checkpoint code (nnnn) to the support technician... -
Page 78: Attachment Failed To Respond
Alert! Security override Jumper is installed. Description The MFG_MODE jumper has been set and AMT Management features are disabled until it is removed. Attachment failed to respond Description The floppy or hard drive controller cannot send data to the associated drive. -
Page 79: Decreasing Available Memory
Decreasing available memory Description One or more memory modules may be faulty or improperly seated. Re- install the memory modules and, if necessary, replace them. Diskette drive 0 seek failure Description A cable may be loose or the computer configuration information may not match the hardware configuration. -
Page 80: Keyboard Failure
Hard-disk drive controller failure Description The hard drive failed initialization. Hard-disk drive failure Description The hard drive failed initialization. Hard-disk drive read failure Description The hard drive failed initialization. Invalid configuration information-please run SETUP program Description The computer configuration information does not match the hardware configuration. -
Page 81: Memory Allocation Error
Memory allocation error Description The software you are attempting to run is conflicting with the operating system, another program, or a utility. Memory data line failure at address, read value expecting value Description A memory module may be faulty or improperly seated. Reinstall the memory modules and, if necessary, replace them. -
Page 82: Memory Tests Terminated By Keystroke
Memory tests terminated by keystroke Description A keystroke interrupted the memory test. No boot device available Description The computer cannot find the floppy disk or hard drive. No boot sector on hard-disk drive Description The computer configuration information in System Setup may be incorrect. -
Page 83: Read Fault
Read fault Description The operating system cannot read from the floppy or hard drive, the computer could not find a particular sector on the disk, or the requested sector is defective. Requested sector not found Description The operating system cannot read from the floppy or hard drive, the computer could not find a particular sector on the disk, or the requested sector is defective. -
Page 84: Timer Chip Counter 2 Failed
Description The keyboard controller may be malfunctioning or a memory module may be loose. 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 85: Write Fault On Selected Drive
Write fault on selected drive Description The operating system cannot write to the floppy or hard drive. X:\ is not accessible. The device is not ready Description The floppy drive cannot read the disk. Insert a floppy disk into the drive and try again. -
Page 87: Specifications
Specifications Technical Specifications NOTE: Offerings may vary by region. For more information regarding the configuration of your computer, click Start (or Start in Windows XP) Help and Support, and then select the option to view information about your computer. Processor Processor type •... - Page 88 Memory Desktop, Mini-Tower, Small Form 16 GB Factor Ultra Small Form Factor 8 GB Video Integrated • Intel HD Graphics (with Intel Celeron/ Pentium-class CPU-GPU combo) • Intel HD Graphics 2000 (with Intel Core i3 DC 65 W and Intel Core i5/i7 QC vPRO 95 W-class CPU-GPU combo) Discrete PCI Express x16 graphics adapter...
- Page 89 Expansion Bus • x16-slot bidirectional speed – 16 GB/s SATA: 1.5 Gbps, 3.0 Gbps, and 6 Gbps Cards Mini-Tower up to one full-height card Desktop up to one low-profile card Small Form Factor none Ultra Small Form Factor none PCI Express x1 Mini-Tower up to three full-height cards Desktop...
- Page 90 Drives Mini-Tower Desktop Small Form Factor one slim optical drive bay Ultra Small Form Factor one slim optical drive bay Internally Accessible: 3.5–inch SATA drive bays Mini-Tower Desktop Small Form Factor Ultra Small Form Factor none 2.5–inch SATA drive bays Mini-Tower Desktop Small Form Factor...
- Page 91 External Connectors Mini-Tower, Desktop, Small Form Front Panel: 4 Factor Back Panel: 6 Ultra Small Form Factor Front Panel: 2 Back Panel: 5 Video 15-pin VGA connector, 20-pin DisplayPort connector NOTE: Available video connectors may vary based on the graphics card selected.
- Page 92 System Board Connectors Mini PCI Express data width (maximum) — one PCI Express lane and one USB interface Mini-Tower, Desktop, none Small Form Factor Ultra Small Form Factor one 52-pin connector Serial ATA Mini-Tower four 7-pin connectors Desktop three 7-pin connectors Small Form Factor three 7-pin connectors Ultra Small Form Factor...
- Page 93 System Board Connectors Processor one 1155-pin connector Processor Fan one 5-pin connector Service mode jumper one 2-pin connector Password clear jumper one 2-pin connector RTC reset jumper one 2-pin connector Internal speaker one 5-pin connector Intruder connector one 3-pin connector Power connector Mini-Tower, Desktop, one 24-pin and one 4-pin connector...
- Page 94 Controls and Lights see the Service Manual at support.dell.com/manuals. Back of the computer: Link integrity light on integrated Green — a good 10 Mbps network adapter connection exists between the network and the computer. Orange — a good 100 Mbps connection exists between the network and the computer.
- Page 95 Power Wattage Maximum Voltage Heat Dissipation Mini-Tower 265 W 1390 BTU/hr 100 VAC to 240 VAC, 50 Hz to 60 Hz, 5.0 A Desktop 250 W 1312 BTU/hr 100 VAC to 240 VAC, 50 Hz to 60 Hz, 4.4 A Small Form 240 W 1259 BTU/hr...
- Page 96 Environmental Storage 2.2 GRMS Maximum shock: Operating 40 G Storage 105 G Altitude: Operating –15.2 m to 3048 m (–50 ft to 10,000 ft) Storage –15.2 m to 10,668 m (–50 ft to 35,000 ft) Airborne contaminant level G1 or lower as defined by ANSI/ISA- S71.04-1985...
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Page 97: Contacting Dell
3. Click Contact Us on the left side of the page. 4. Select the appropriate service or support link based on your need. 5. Choose the method of contacting Dell that is convenient for you.