Dell Precision 7520 Owner's Manual
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Summary of Contents for Dell Precision 7520
- Page 1 Dell Precision 7520 Owner's Manual Regulatory Model: P53F Regulatory Type: P53F002 September 2021 Rev. A06...
- Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2017-2021 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.
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Page 3: Table Of Contents
Contents Chapter 1: Working on your computer....................7 Safety instructions................................7 Turning off your — Windows............................7 Before working inside your computer..........................8 After working inside your computer..........................8 Chapter 2: Disassembly and reassembly..................9 Recommended tools................................9 SD card....................................10 Removing SD card............................... 10 Installing SD card................................10 Battery cover.................................. - Page 4 Solid State Drive ................................21 Removing the M.2 Solid State Drive -SSD module....................21 Installing the M.2 SSD module..........................22 Coin-cell battery................................22 Removing the coin cell battery..........................22 Installing the coin cell battery...........................23 Power connector port..............................23 Removing the power connector port........................23 Installing the power connector port........................24 Palm rest.....................................
- Page 5 Display panel..................................43 Removing the display panel............................43 Installing the display panel............................44 Removing the display panel............................44 Installing the display panel............................46 Display bracket...................................46 Removing the display bracket..........................46 Installing the display bracket.............................47 Display hinges..................................48 Removing the display hinge............................48 Installing the display hinge............................48 eDP cable....................................
- Page 6 LCD Built-in Self Test (BIST)........................... 80 Diagnostic LED..................................81 Battery status lights................................. 82 Recovering the operating system..........................82 Real Time Clock reset..............................82 Backup media and recovery options..........................83 WiFi power cycle................................83 Drain residual flea power (perform hard reset)......................83 Chapter 7: Contacting Dell......................84 Contents...
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Page 7: Chapter 1: 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: Before Working Inside Your Computer
CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell computers. 1. Connect any external devices, such as a port replicator or media base, and replace any cards, such as an ExpressCard. -
Page 9: Chapter 2: Disassembly And Reassembly
Disassembly and reassembly Topics: • Recommended tools • SD card • Battery cover • Battery • Hard drive • Hard drive cable connector • Keyboard lattice and Keyboard • Base cover • SIM card • Memory modules • WWAN card •... -
Page 10: Sd Card
SD card Removing SD card 1. Follow the procedure in Before working inside your computer. 2. Press in on the SD card to release it from the computer. 3. Remove the SD card from the computer. Installing SD card 1. Slide the SD card into its slot until it clicks into place. 2. -
Page 11: Battery
● If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending, or crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See www.dell.com/contactdell. -
Page 12: Hard Drive
2. Install the battery cover. 3. Follow the procedure in After working inside your computer Hard drive Removing the hard drive 1. Follow the procedure in Before working inside your computer. 2. Remove the: battery cover battery 3. To remove hard drive: a. -
Page 13: Installing The Hard Drive
Installing the hard drive 1. Replace the M3.0x3.0 screws to secure the hard drive to the hard drive bracket. 2. Insert the hard drive into its slot in the computer. 3. Replace the M3.0x3.0 screws to secure the hard drive to the computer. 4. -
Page 14: Keyboard Lattice And Keyboard
2. Insert and route the cable through the routing channel. 3. Replace the M2.5x5.0 screws to secure the hard drive cable connector to the computer. 4. Install the: hard drive base cover battery battery cover 5. Follow the procedure in After working inside your computer. -
Page 15: Installing The Keyboard
Installing the keyboard 1. Align the keyboard and route the cables back through to the bottom of the compartment. 2. Press and align the keyboard to its compartment. 3. Replace the screws to secure the keyboard to the computer. 4. Slide the keyboard trim and align it to its position on the computer. Ensure that the keyboard trim clicks into its place 5. -
Page 16: Installing The Base Cover
Installing the base cover 1. Slide the base cover to align with the screw holes on the computer. 2. Replace the M2.5X5.0 screws to secure the base cover to the computer. 3. Install the: battery battery cover 4. Follow the procedure in After working inside your computer. -
Page 17: Installing The Sim Card
Installing the SIM card 1. Slide in the SIM Card into its compartment and press until its fully engaged with a click sound. During installation or removal of the SIM card, always ensure all data is backed up properly. NOTE: 2. -
Page 18: Installing The Primary Memory Module
b. Lift the memory module and remove it from the computer. Installing the primary memory module 1. Insert the memory module into the memory socket. Installing one or three memory modules leads to system performance issues. NOTE: 2. Press the clips to secure the memory module to the system board. 3. -
Page 19: Installing The Secondary Memory Module
Installing the secondary memory module 1. Insert the memory module into the memory socket. 2. Press the clips to secure the memory module to the system board. 3. Place the memory shield in its original position on the memory module and tighten the screw to secure it to the computer. 4. -
Page 20: Installing The Wwan Card
Installing the WWAN card Depending on the configuration you choose, you may or may not have WWAN card. NOTE: 1. Slide the WWAN card to the WWAN card slot. 2. Replace the M2.0x3.0 screw to secure the WWAN card to the computer. 3. -
Page 21: Installing The Wlan Card
Installing the WLAN Card 1. Insert the WLAN card in its slot on the computer. 2. Route the antenna cables through the routing channel and connect them to the WLAN card. 3. Align the shield and tighten the M2.0x3.0 screw to secure the WLAN card to the computer. 4. -
Page 22: Installing The M.2 Ssd Module
Installing the M.2 SSD module 1. Place the SSD in its slot. 2. Replace the M2.0x3.0 screw to secure the SSD to the computer. 3. Place the thermal plate on the SSD. 4. Replace the M2.0x3.0 screw to secure the thermal plate to the computer. 5. -
Page 23: Installing The Coin Cell Battery
Installing the coin cell battery 1. Replace the coin cell battery in its slot on the computer. 2. Connect the coin cell battery cable to the comupter. Ensure that the coin cell battery cable does not protrude outside its compartment. NOTE: 3. -
Page 24: Installing The Power Connector Port
Installing the power connector port 1. Replace the power connector cable on the computer. 2. Route the cable through the routing channel 3. Replace the M2.5x5.0 screw to secure the power connector port to the computer. 4. Connect the power connector cable. 5. -
Page 25: Installing The Palmrest
4. To remove palmrest: a. Lift the tab and disconnect the fan cable [1] and system board cable [ 2]. b. Remove the 11 screws (M2.5x5.0, M2.0x3.0) that secure the palmrest to the computer [3]. c. By using plastic scribe release the tabs on the edges of the palmrest and remove the palmrest from the computer [4]. Installing the palmrest 1. -
Page 26: Speaker
2. Replace the 11 screws M2.5x5.0, M2.0x3.0) that secure the palmrest to the computer. 3. Connect the following cables: a. system board cable b. fan cable 4. Flip the computer and tighten the 15 screws (M2.5x5.0, M2.0x8.0, M2.0x3.0) at the bottom of the computer. 5. -
Page 27: Installing The Speakers
Installing the speakers 1. Align the speakers along the slots on the computer. 2. Route the speaker cable through the routing tabs on the computer. 3. Connect the speaker cable to the system board. 4. Install the: palmrest keyboard hard drive base cover battery battery cover... -
Page 28: Installing The Left Io Board
Installing the left IO board 1. Slide the I/O board into its slot on the computer. 2. Install the thunderbolt bracket. 3. Replace the M2.5x5.0 screws to secure the I/O board to the computer. 4. Install the: palmrest keyboard hard drive base cover battery battery cover... -
Page 29: Installing The Right Io Board
Installing the right IO board 1. Connect the I/O board connector cable and slide the I/O board into its slot on the computer. 2. Replace the M2.5x5.0 screws to secure the I/O board to the computer. 3. Connect the speaker cable to the I/O board. 4. -
Page 30: Installing The Heat Sink Assembly
a. Disconnect the fan cables from the computer [1, 2] . b. Loosen the captive M2.5x5.0 screws that secure the heat sink assembly to the computer [3]. Remove the screws that secure the heat sink to the system board in the order stamped onto the heat sink NOTE: next to the screws [1, 2, 3, 4, 5, 6, 7, 8]. -
Page 31: Installing The Graphic Card
palmrest heat sink 3. To remove the graphic card: a. Remove the M2.0x3.0 screws that secure the graphic card to the computer [1]. b. Remove the graphic card from the computer [2]. Installing the graphic card 1. Slide the graphic card into its original position in the computer. 2. - Page 32 base cover hard drive keyboard hard drive cable secondary memory primary memory WLAN card WWAN card M.2 SSD card graphic card power connector port palmrest I/O board (left) I/O board (right) heat sink 3. To disconnect and remove the eDP cable: a.
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Page 33: Installing The System Board
Installing the system board 1. Align the system board into its original position on the computer. 2. Replace the M2.5x5.0 screws to secure the system board to the computer. 3. Connect the following cables: a. power connector b. eDP 4. Place the metal bracket and tighten the M2.5x5.0 screw to secure the eDP cable to the computer. 5. -
Page 34: Fingerprint Reader
Fingerprint reader Removing the fingerprint reader 1. Follow the procedure in Before working inside your computer. 2. Remove the: SD card battery cover battery base cover hard drive keyboard hard drive cable secondary memory primary memory WLAN card WWAN card M.2 SSD card graphic card power connector port... -
Page 35: Touchpad
3. Place the metal bracket on the chassis. 4. Replace the M2.0X3 screws to secure the fingerprint reader to the chassis. 5. Affix the adhesive tape to secure the fingerprint reader. 6. Install the: palmrest power connector port graphic card M.2 SSD card WWAN card WLAN card... -
Page 36: Installing The Touchpad
Installing the touchpad 1. Place the touchpad into the slot on the computer. 2. Replace the M2.0X3 screws that secures touchpad on the computer. 3. Connect the touchpad cable to the computer. 4. Install the: system board palmrest keyboard hard drive base cover battery battery cover... - Page 37 palmrest 3. To remove hinge cap: a. Remove the M2.5x4.0 screws that secure the hinge caps [1]. b. Remove the hinge caps from the computer [2]. 4. To disconnect antenna cables: a. Flip the computer and remove the M2.0X3 screws from the computer [1]. b.
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Page 38: Installing The Display Assembly
Installing the display assembly 1. Insert the display assembly into the slots on the computer. 2. Replace the M2.0X3 screws to secure the display assembly in place. 3. Affix the tape on the heat sink. 4. Connect the eDP cable to the connectors on the system board. 5. -
Page 39: Installing The Power Switch Board
3. To remove power switch board: a. Disconnect the power switch board cable from the computer [1]. b. Remove the M2.0X3 screws that secure power switch board to the computer [2]. c. Remove the power switch board from the computer [3]. Installing the power switch board 1. -
Page 40: Installing The Expresscard
hard drive keyboard palmrest 3. To remove expresscard: a. Disconnect the expresscard cable from the computer [1]. b. Remove the M2.5x5.0 screws that secure expresscard to the computer [2]. c. Remove the expresscard board from the computer [3]. Installing the expresscard 1. -
Page 41: Installing The Usb Board
battery cover battery base cover hard drive keyboard palmrest 3. To remove USB board: a. Disconnect the USB board cable from the computer [1]. b. Remove the adhesive tape that secures USB board to the computer [2]. c. Lift the USB board from the computer [3]. Installing the USB board 1. -
Page 42: Display Bezel
Display bezel Removing the display bezel For non touch systems perform following steps.. NOTE: 1. Follow the procedure in Before working inside your computer. 2. Remove the: battery cover battery base cover hard drive keyboard palmrest display assembly 3. To remove display bezel: a. -
Page 43: Display Panel
base cover battery battery cover 4. Follow the procedure in After working inside your computer. Display panel Removing the display panel For non touch systems perform following step. NOTE: 1. Follow the procedure in Before working inside your computer. 2. Remove the: battery cover battery base cover... -
Page 44: Installing The Display Panel
Installing the display panel For non touch systems perform following steps. NOTE: 1. To install the display panel: a. Connect the eDP cable to the connector on the back of the display panel and affix the adhesive tape. b. Align the display panel with the tabs on the display assembly. c. - Page 45 palmrest display assembly display bezel 3. To remove the display panel: a. Using a plastic scribe lift the edges of the display panel to disengage it from the display assembly. b. Lift the display panel and turn the display panel over to access the eDP and display cables. c.
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Page 46: Installing The Display Panel
d. Disconnect the eDP and display cables from the connector on the back of the display panel [2, , 4, 6]. Installing the display panel For touch systems perform following steps. NOTE: 1. To install the display panel for touch systems: a. -
Page 47: Installing The Display Bracket
1. Follow the procedure in Before working inside your computer. 2. Remove the: battery cover battery base cover hard drive keyboard palmrest display assembly display bezel display panel 3. To remove display bracket: a. Remove the M2.5x4.0 screws that secure display cover [1]. b. -
Page 48: Display Hinges
battery cover 4. Follow the procedure in After working inside your computer. Display hinges Removing the display hinge For non touch systems perform following steps. NOTE: 1. Follow the procedure in Before working inside your computer. 2. Remove the: battery cover battery base cover hard drive... -
Page 49: Edp Cable
2. Replace the M2.5x4.0 screws to secure the display hinge. 3. Install the: display panel display bezel display assembly palmrest keyboard hard drive base cover battery battery cover 4. Follow the procedure in After working inside your computer. eDP cable Removing the eDP cable For non touch systems perform following steps. -
Page 50: Installing The Edp Cable
Installing the eDP cable For non touch systems perform following steps. NOTE: 1. Route the eDP cable on the display cover. 2. Affix the eDP cable on the display cover. 3. Install the: display panel display bezel display assembly palmrest keyboard hard drive base cover... -
Page 51: Installing The Camera
base cover hard drive keyboard palmrest display assembly display bezel 3. To remove camera: a. Peel the eDP cable and disconnect the camera cable from the computer [1]. b. Lift the camera module from the computer [2]. Installing the camera For non touch systems perform following steps. -
Page 52: Display Cover
Display cover Replacing the display cover For non touch systems perform following steps. NOTE: 1. Follow the procedure in Before working inside your computer. 2. Remove the: battery cover battery base cover hard drive keyboard palmrest display assembly display bezel display panel display bracket display hinge... -
Page 53: Chapter 3: Technology And Components
Technology and components This chapter details the technology and components available in the system. Topics: • Power adapter • Processors • USB features • HDMI 1.4 Power adapter This laptop is shipped with 180 W power adapters. WARNING: When you disconnect the power adapter cable from the laptop, grasp the connector, not the cable itself, and then pull firmly but gently to avoid damaging the cable. -
Page 54: Usb Features
○ Intel HD graphics - exceptional videos, editing smallest details in the videos ○ Intel Quick Sync Video - excellent video conferencing capability, quick video editing and authoring ○ Intel Clear Video HD - visual quality and color fidelity enhancements for HD playback and immersing web browsing ●... -
Page 55: Hdmi 1.4
With today's ever increasing demands placed on data transfers with high-definition video content, terabyte storage devices, high megapixel count digital cameras etc., USB 2.0 may not be fast enough. Furthermore, no USB 2.0 connection could ever come close to the 480Mbps theoretical maximum throughput, making data transfer at around 320 Mbps (40 MB/s) — the actual real-world maximum. - Page 56 compatible digital audio and/or video monitor, such as a digital TV (DTV). The intended applications for HDMI TVs, and DVD players. The primary advantage is cable reduction and content protection provisions. HDMI supports standard, enhanced, or high-definition video, plus multichannel digital audio on a single cable. The HDMI 1.4 will provide 5.1 channel audio support.
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Page 57: Chapter 4: System Specifications
System specifications Offerings may vary by region. The following specifications are only those required by law to ship with your NOTE: computer. For more information about the configuration of your computer, go to Help and Support in your Windows operating system and select the option to view information about your computer. Topics: •... -
Page 58: Memory
Up to 256 KB cache depending on processor type L2 cache Up to 8 MB cache depending on processor type L3 cache Up to 8 MB cache depending on processor type Intel Smart cache with Last Level Cache Memory Specification Feature DDR4 SDRAM ECC and Non-ECC Type... -
Page 59: Expansion Bus
● Intel WiFi Link 8265 2x2 802.11ac NBT (vPro) ● Dell DW 1820 2x2 802.11ac+BT 4.2 US Optional Mobile broadband and GPS ● DW5811e (Gobi 4G/LTE - FMC) ● DW5814e (Gobi 4G/LTE) Expansion bus Specification Feature PCI Express 1.0, 2.0 and 3.0, SATA 1.0A, 2.0 and 3.0, USB 2.0 and 3.0... -
Page 60: Keyboard
Active area (X/Y) ● FHD (1920 x 1080) ● UHD (3840 x 2160) ● FHD (1920 x 1080) Maximum ● UHD (3840 x 2160) resolution ● 15.6" FHD TN Anti-Glare LED-backlit —220 nits Maximum ● 15.6" UltraSharp™ FHD IPS Wide View Anti-Glare LED-backlit —300 nits Brightness ●... -
Page 61: Storage
Storage Specification Features ● SATA 1 (1.5 Gb/s) Storage: ● SATA 2 (3.0 Gb/s) ● SATA 3 (6 Gb/s) ● PCIe express ● 500GB 2.5" 7mm SATA (7200 RPM) Hard Drive Options ● 1TB 2.5" 7mm SATA (7200 RPM) Hard Drive ●... -
Page 62: Contactless Smart Card
100 VAC to 240 VAC Input voltage 2.34 A Input current (maximum) 50 Hz to 60 Hz Input frequency 180 W Output power 9.23 A Output current 19.50 VDC Rated output voltage 30 mm (1.18 inches) Height 155 mm (6.10 inches) Width 76.2 mm (3.0 inches) Depth... -
Page 63: Environmental
Environmental Specification Feature Temperature range: 10°C to 35° C (50° to 95° F) Operating -40°C to 65° C (-40° to 149° F) Storage Relative humidity (maximum): 20% to 80% (non-condensing) Storage Maximum vibration: 5 to 350 Hz at 0.0002 G²/Hz Operating 5 to 500 Hz at 0.001 to 0.01 G²/Hz Storage... -
Page 64: Chapter 5: Bios Setup
BIOS setup CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup program. Certain changes can make your computer work incorrectly. Depending on the computer and its installed devices, the items listed in this section may or may not be displayed. NOTE: Before you change BIOS Setup program, it is recommended that you write down the BIOS Setup program screen NOTE:... -
Page 65: One Time Boot Menu
Table 2. Navigation keys (continued) Keys Navigation Down arrow Moves to the next field. Enter Selects a value in the selected field (if applicable) or follow the link in the field. Spacebar Expands or collapses a drop-down list, if applicable. Moves to the next focus area. -
Page 66: System Configuration Screen Options
Option Description Displays the battery status and the type of AC adapter connected to the computer. Battery Information Allows you to change the order in which the computer attempts to find an operating system. Boot Sequence ● Windows Boot Manager ●... - Page 67 If USB port is disabled, the OS cannot see any device attached to this port. The options are: ● Enable Boot support (by default enable) ● Enable Thunderbolt ports (by default enable) ● Always Allow dell docks ● Enable external USB ports Others: ● Enable Thubderbolt Boot Support ●...
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Page 68: Video Screen Options
Option Description ● 10 sec (selected by default) ● 15 sec ● 30 sec ● 1 min ● 5 min ● 15 min ● never This option, when enabled, pressing Fn+F7 turns off all light and sound emissions in the system. To Unobtrusive resume normal operation, press Fn+F7 again. - Page 69 Option Description If Strong Password is enabled, Admin and System passwords must contain at least one NOTE: uppercase character, one lowercase character and be at least 8 characters long. Allows you to specify the minimum and max password lengths of Administrator and System passwords. Password ●...
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Page 70: Secure Boot Screen Options
Option Description This option is not selected by default Master password lockout Secure Boot screen options Option Description This option enables or disables the Secure Boot feature. Secure Boot ● Disabled Enable ● Enabled Default setting: Enabled. Allows you to manipulate the security key databases only if the system is in Custom Mode. The Enable Expert Key Custom Mode option is disabled by default. -
Page 71: Power Management Screen Options
Standby, the system setup removes power from all the USB ports to conserve battery power. ● Enable USB Wake Support ● Wake on Dell USB-C dock Allows you to enable or disable the feature that automatically switches from wired or wireless networks Wireless Radio without depending on the physical connection. -
Page 72: Post Behavior Screen Options
Battery Charge Configuration ● Standard — Fully charges your battery at a standard rate. ● ExpressCharge — The battery charges over a shorter period of time using Dell’s fast charging technology. This option is enabled by default. ● Primarily AC use ●... -
Page 73: Manageability Screen Options
Manageability screen options Option Description Allows you to specify whether the MEBx Hotkey function should enable, during the system boot. MEBx Hotkey Default Setting: Enable MEBx Hotkey Allows you to speed up the boot process by bypassing some of the compatibility steps. The options are: Fastboot ●... -
Page 74: Maintenance Screen Options
1. Go to www.dell.com/support. 2. Click Product support. In the Search support box, enter the Service Tag of your computer, and then click Search. If you do not have the Service Tag, use the SupportAssist feature to automatically identify your computer. You NOTE: can also use the product ID or manually browse for your computer model. -
Page 75: Updating The Bios In Linux And Ubuntu
One-Time boot menu on the computer. Most of the Dell computers built after 2012 have this capability, and you can confirm by booting your computer to the F12 One-Time Boot Menu to see if BIOS FLASH UPDATE is listed as a boot option for your computer. If the option is listed, then the BIOS supports this BIOS update option. -
Page 76: System And Setup Password
Perform the following steps to perform the BIOS update flash process from the F12 menu: CAUTION: Do not turn off the computer during the BIOS update process. The computer may not boot if you turn off your computer. 1. From a turn off state, insert the USB drive where you copied the flash into a USB port of the computer. 2. -
Page 77: Deleting Or Changing An Existing System Setup Password
Clearing BIOS (System Setup) and System passwords To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell. For information on how to reset Windows or application passwords, refer to the documentation accompanying NOTE: Windows or your application. -
Page 78: Chapter 6: Troubleshooting
● Using a non-Dell or incompatible battery may increase the risk of fire or explosion. Replace the battery only with a compatible battery purchased from Dell that is designed to work with your Dell computer. Do not use a battery from other computers with your computer. -
Page 79: Enhanced Pre-Boot System Assessment - Epsa Diagnostics
Invoke diagnostics boot by either of the methods that are suggested below: 1. Power on the computer. 2. As the computer boots, press the F12 key when the Dell logo is displayed. 3. In the boot menu screen, use Up/Down arrow key to select the Diagnostics option and then press Enter. -
Page 80: Built-In Self-Test (Bist)
LCD Built-in Self Test (BIST) Dell laptops have a built-in diagnostic tool that helps you determine if the screen abnormality you are experiencing is an inherent problem with the LCD (screen) of the Dell laptop or with the video card (GPU) and PC settings. -
Page 81: Diagnostic Led
7. Carefully inspect the screen for abnormalities (any lines, fuzzy color or distortion on the screen). 8. At the end of the last solid color (red), the system will shut down. Dell SupportAssist Pre-boot diagnostics upon launch, initiates an LCD BIST first, expecting a user intervention NOTE: confirm functionality of the LCD. -
Page 82: Battery Status Lights
It enables you to diagnose hardware issues, repair your computer, back up your files, or restore your computer to its factory state. You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their primary operating system due to software or hardware failures. -
Page 83: Backup Media And Recovery Options
Backup media and recovery options It is recommended to create a recovery drive to troubleshoot and fix problems that may occur with Windows. Dell proposes multiple options for recovering Windows operating system on your Dell PC. For more information. see... -
Page 84: Chapter 7: Contacting Dell
Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues: 1. Go to Dell.com/support.