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Display Assembly

Removing the Display Assembly

Steps

1. Follow the procedures in

Before Working Inside Your Computer

.

2. Remove the:

a.

b.

3. Perform the following steps:

a. Remove the screw securing the metal bracket [1].
b. Lift the metal bracket off the computer [2].
c. Disconnect the LVDS cable from the system board [3].

4. Place the computer at the edge of a table as shown and remove the six M2.5x5 screws [1] securing the display assembly to

the computer. Then, lift the display assembly off the computer [2].

Disassembly and reassembly

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Содержание P56F

Страница 1: ...Dell Precision 5520 Owner s Manual Regulatory Model P56F Regulatory Type P56F001 September 2021 Rev A03 ...

Страница 2: ...tial damage to hardware or loss of data and tells you how to avoid the problem WARNING A WARNING indicates a potential for property damage personal injury or death 2016 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 ...

Страница 3: ...SD 15 Removing the Solid State Drive SSD 15 Installing the solid state drive 15 Hard drive 16 Removing the Hard Drive 16 Installing the Hard Drive 17 Speaker 17 Removing the Speakers 17 Installing the Speakers 18 Coin cell battery 18 Removing the Coin Cell Battery 18 Installing the Coin Cell Battery 19 Keyboard lattice and Keyboard 19 Removing the Keyboard 19 Installing the Keyboard 21 WLAN card 2...

Страница 4: ...Updating the BIOS in Linux and Ubuntu 40 Updating the BIOS using the USB drive in Windows 40 Updating the BIOS from the F12 One Time boot menu 41 System and setup password 42 Assigning a system setup password 42 Deleting or changing an existing system setup password 42 Clearing CMOS settings 43 Clearing BIOS System Setup and System passwords 43 Chapter 5 Troubleshooting 44 Handling swollen Lithium...

Страница 5: ...Chapter 6 Technical Specifications 49 Chapter 7 Contacting Dell 54 Contents 5 ...

Страница 6: ... 2 Turn off your computer 3 Disconnect all network cables from the computer if available CAUTION If your computer has an RJ45 port disconnect the network cable by first unplugging the cable from your computer 4 Disconnect your computer and all attached devices from their electrical outlets 5 Open the display 6 Press and hold the power button for few seconds to ground the system board CAUTION To gu...

Страница 7: ...atteries designed for other Dell computers Steps 1 Connect any external devices such as a port replicator battery slice or media base and replace any cards such as an ExpressCard 2 Connect any telephone or network cables to your computer CAUTION To connect a network cable first plug the cable into the network device and then plug it into the computer 3 Replace the battery 4 Connect your computer a...

Страница 8: ...nd connectors and also explains the FN hot key combinations System Overview Figure 1 Inside View Back 1 power connector 2 system fan 3 system board 4 hard drive 5 speakers 6 battery 7 I O board cable 8 I O board 9 WLAN card 10 video card fan 11 memory modules 12 heatsink 2 8 Chassis ...

Страница 9: ...Figure 2 Front View 1 Power button 2 Keyboard 3 Palmrest 4 Touchpad Figure 3 Front Open View 1 Camera 2 Camera status light 3 Left speaker 4 Right speaker Chassis 9 ...

Страница 10: ...View 1 Memory card reader 2 USB 3 0 port with PowerShare 3 Battery status lights 4 Battery status button 5 Kensington security slot Hot key combinations The table below details the hot key combinations Table 1 Hot key combination Fn key combination Precision 5520 Fn ESC Fn Toggle Fn F1 Speaker Mute Fn F2 Volume Down 10 Chassis ...

Страница 11: ...ation Precision 5520 Fn F3 Volume Up Fn F4 Rewind Fn F5 Play Pause Fn F6 Forward Fn F8 Display Toggle Win P Fn F9 Search Fn F10 Increase Keyboard Back light Brightness Fn F11 Panel Brightness Down Fn F12 Panel Brightness Up Fn PrtScr Wireless Chassis 11 ...

Страница 12: ...teps 1 Follow the procedures in Before Working Inside Your Computer 2 Close the display and turn the computer over 3 Turn the system badge flap over 1 and then remove the ten M2x3 screws that secure the base cover to the computer 2 NOTE Use a Torx 5 screwdriver for the base screws and a Philips screwdriver for the two M2x8 screws inside the badge flap 4 Pry the edges of the base cover and lift it ...

Страница 13: ...ttery to drain Do not crush drop mutilate or penetrate the battery with foreign objects Do not expose the battery to high temperatures or disassemble battery packs and cells Do not apply pressure to the surface of the battery Do not bend the battery Do not use tools of any kind to pry on or against the battery Ensure any screws during the servicing of this product are not lost or misplaced to prev...

Страница 14: ... 1 b Remove the seven M2x4 screws that secure the battery to the computer 2 c Lift the battery off the computer 3 Do not apply pressure to the surface of the battery Do not bend Do not use tools of any kind to pry on or against the battery If a battery cannot be removed within the constraints above please contact Dell technical support Installing the Battery Steps 1 Place and align the battery in ...

Страница 15: ...stem board 2 Installing the solid state drive Steps 1 Adhere the thermal pad to the solid state drive NOTE The thermal pad is applicable only for a PCIe SSD card 2 Slide the solid state drive at an angle into the solid state drive slot 3 Press the other end of the solid state drive down and replace the M2 x 3 screw that secures the solid state drive to the system board 4 Install the a battery b ba...

Страница 16: ...x4 screws securing the hard drive bracket to the computer 1 b Lift the hard drive cage 2 off the hard drive assembly 3 4 Perform the following steps to remove the hard drive a Disconnect the hard drive cable from the system board 1 b Lift the hard drive off the palm rest assembly 2 5 Disconnect the hard drive interposer from the hard drive assembly and then remove the hard drive covers away from t...

Страница 17: ... screws that secure the hard drive cage to the palm rest assembly 7 Install the a battery b base cover 8 Follow the procedures in After Working Inside Your Computer Speaker Removing the Speakers Steps 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the a Base cover b battery 3 Perform the following steps to remove the speaker a Disconnect the speaker cable from the audio bo...

Страница 18: ...e to the system board 5 Install the a battery b base cover 6 Follow the procedures in After Working Inside Your Computer Coin cell battery Removing the Coin Cell Battery Steps 1 Follow the procedures in Before Working Inside Your Computer CAUTION Removing the coin cell battery re sets the BIOS settings to default It is recommended that you note the BIOS settings before removing the coin cell batte...

Страница 19: ...place the coin cell battery in its slot in the computer 2 Connect the coin cell battery cable to the system board 3 Turn the system board over 4 Install the a Memory b Heatsink assembly c Fans d Hard drive e WLAN card f Battery g Base cover 5 Follow the procedures in After Working Inside Your Computer Keyboard lattice and Keyboard Removing the Keyboard Steps 1 Follow the procedures in Before Worki...

Страница 20: ...ors from the computer a Lift up the connector lock 1 and the disconnect the cables from the connectors 2 b Peel back the screw shields 3 4 Un route the LVDS cable 1 and then remove the 31 M1 6 x 1 5 screws that secure the keyboard to the computer 2 5 Lift and remove the keyboard from the computer 20 Disassembly and reassembly ...

Страница 21: ...rols board 6 Install the a system board b hard drive c base cover 7 Follow the procedures in After Working Inside Your Computer WLAN card Removing the WLAN Card Steps 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the a Base cover b battery 3 Perform the following steps to remove the WLAN card a Remove the screw to release the bracket that secures the WLAN card to the comp...

Страница 22: ...is visible near the tip of the cables The antenna cable color scheme for the WLAN card supported by your computer is as follows Table 2 Antenna Cable Color Scheme for the WLAN Card Connectors on the WLAN card Antenna cable color Main white triangle white Auxiliary black triangle black Multiple input multiple output grey triangle Grey optional 4 Tighten the screw to secure the bracket and the WLAN ...

Страница 23: ... system board 2 Installing the Memory Module s Steps 1 Insert the memory module into the memory socket 2 Press the memory module down until it clicks into place NOTE If you do not hear the click remove the memory module and re install it 3 Install the a battery b base cover 4 Follow the procedures in After Working Inside Your Computer System fan Removing the Fans Steps 1 Follow the procedures in B...

Страница 24: ... remove the right system fan a Un thread the LVDS cable from its restraints 1 b Disconnect the fan cable from the system board 2 c Remove the two M2x4 screws that secure the fan to the computer 3 d Lift the fan away from the computer 4 Installing the Fans Steps 1 Perform the following steps to install the system fan a Align the screw holes on the left fan with the screw holes on the palm rest asse...

Страница 25: ...he touch screen cable to the right fan h Connect the display cable to the system board i Replace the four M2x4 screws that secure the right fan to the system board 2 Follow the procedures in After Working Inside Your Computer Heat sink Removing the Heatsink Steps 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the a Base cover b battery 3 Remove the four M2x3 screws that se...

Страница 26: ...fter Working Inside Your Computer Power connector port Removing the DC in Connector Steps 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the a Base cover b battery 3 Perform the following steps to remove the I O board a Disconnect the DC in cable from the system board 1 b Remove the M2x3 screw that secures the DC in cable to the computer c Remove the DC in connector from t...

Страница 27: ...adapter port to the palm rest assembly 4 Connect the power adapter port cable to the system board 5 Install the a battery b base cover 6 Follow the procedures in After Working Inside Your Computer Antenna cover Removing the antenna cover Steps 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the a base cover b battery c WLAN Card d display assembly 3 Carefully turn the displ...

Страница 28: ...ng the antenna cover a display assembly b antenna cover Installing the antenna cover Steps 1 Replace the antenna cover on the display assembly 2 Turn the display hinges to the normal position 3 Install the a display assembly b wireless card c battery d base cover 4 Follow the procedures in After Working Inside Your Computer 28 Disassembly and reassembly ...

Страница 29: ...lowing steps a Remove the screw securing the metal bracket 1 b Lift the metal bracket off the computer 2 c Disconnect the LVDS cable from the system board 3 4 Place the computer at the edge of a table as shown and remove the six M2 5x5 screws 1 securing the display assembly to the computer Then lift the display assembly off the computer 2 Disassembly and reassembly 29 ...

Страница 30: ...o the palm rest assembly 4 Adhere the tape and route the touch screen cable through the routing guides on the fan 5 Connect the touch screen cable and display cable to the system board 6 Replace the screw that secures the display cable bracket to the system board 7 Follow the procedures in After Working Inside Your Computer System board Removing the System Board Steps 1 Follow the procedures in Be...

Страница 31: ...onnect them correctly after you replace the system board 3 Remove the M2x2 screw securing the metal bracket for the LVDS to the system board 1 and remove the bracket off the computer 2 Then disconnect the LVDS cable from the system board 3 4 Slide out the connector latches to disconnect all the cables from the system board 5 Perform the following steps to remove the system board from the computer ...

Страница 32: ...o avoid damaging it 2 Replace the M2x4 4 screws that secure the system board to the palm rest assembly 3 Angle the system board onto the palm rest assembly with the SD card slot side Angling it this way while mounting the system board gives sufficient clearance as the audio daughter board is beneath the other side of the system board 32 Disassembly and reassembly ...

Страница 33: ...almrest Assembly Steps 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the a base cover b battery c memory modules d hard drive e WLAN card f speakers g heatsink assembly h fans i display assembly j power adapter port k system board l keyboard 3 After performing the above steps we are left with the palmrest assembly 1 Installing the Palm rest Assembly Steps 1 Align the palm...

Страница 34: ...onnector port d display assembly e fans f heatsink assembly g speakers h WLAN card i hard drive optional j memory modules k battery l base cover 5 Follow the procedures in After Working Inside Your Computer 34 Disassembly and reassembly ...

Страница 35: ...ys Keys Navigation Up arrow Moves to the previous field 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 Tab Moves to the next focus area NOTE For the standard graphics browser only Esc Moves to the previous page until you view the main screen Pressing Esc in the...

Страница 36: ...isplays the CPU speed CPU ID Displays the CPU ID CPU Cache Displays the sizes of the CPU caches Fixed HDD Displays the type and size of the HDD mSATA Device Displays the type and size of the mSATA device AC Adapter Type Displays the type of the AC adapter None Default Setting System Memory Displays the size of the system memory Extended Memory Displays the size of the extended memory Memory Speed ...

Страница 37: ...orting heavy use during the work day Disabled Default Setting Block Sleep Lets you to block entering to sleep S3 state in OS environment Disabled Default Setting Auto On Time Sets the time of day when you would like the system to turn on automatically Disabled Default Setting Peak Shift Minimizes AC power usage at times of peak demand Disabled Default Setting USB Wake Support Allows you to enable ...

Страница 38: ...sword and a Hard Drive password when the admin password is set Default Setting Permitted Password Bypass This option lets you bypass the System Boot password and the internal HDD password prompts during system re start Disabled Default Setting Password configuration These fields control the minimum and maximum number of characters allowed for Admin and System passwords Computrace Allows you to act...

Страница 39: ...storing sensitive information in the context of the main OS Software Controlled Default Setting Set Boot Priority Allows you to change the order in which the computer attempts to find an operating system 1 st Boot Priority CD DVD CD RW Drive 2nd Boot Priority Network 3rd Boot Priority mini SSD 4th Boot Priority USB Storage Device 5th Boot Priority Hard Drive 6th Boot Priority Diskette Drive Adapte...

Страница 40: ...r computer You can also use the product ID or manually browse for your computer model 3 Click Drivers Downloads Expand Find drivers 4 Select the operating system installed on your computer 5 In the Category drop down list select BIOS 6 Select the latest version of BIOS and click Download to download the BIOS file for your computer 7 After the download is complete browse the folder where you saved ...

Страница 41: ...e BIOS from the F12 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 NOTE Only computers with BIOS Flash Update option in the F12 ...

Страница 42: ...tem BIOS or System Setup screen select Security and press Enter The Security screen is displayed 2 Select System Admin Password and create a password in the Enter the new password field Use the following guidelines to assign the system password A password can have up to 32 characters At least one special character _ Numbers 0 through 9 Upper case letters from A to Z Lower case letters from a to z ...

Страница 43: ...ompts you to save the changes 6 Press Y to save the changes and exit from System Setup The computer restarts Clearing CMOS settings About this task CAUTION Clearing CMOS settings resets the BIOS settings on your computer Steps 1 Remove the base cover 2 Disconnect the battery cable from the system board 3 Remove the coin cell battery 4 Wait for one minute 5 Replace the coin cell battery 6 Connect t...

Страница 44: ...he surface of the battery Do not bend the battery Do not use tools of any type to pry on or against the battery If a battery gets stuck in a device as a result of swelling do not try to free it as puncturing bending or crushing a battery can be dangerous Do not attempt to reassemble a damaged or swollen battery into a laptop Swollen batteries that are covered under warranty should be returned to D...

Страница 45: ...e diagnostic test 7 Select the device from the left pane and click Run Tests 8 If there are any issues error codes are displayed Note the error code and validation number and contact Dell Built in self test BIST M BIST M BIST Built In Self Test is the system board s built in self test diagnostics tool that improves the diagnostics accuracy of system board embedded controller EC failures NOTE M BIS...

Страница 46: ...C settings When you notice screen abnormalities like flickering distortion clarity issues fuzzy or blurry image horizontal or vertical lines color fade etc it is always a good practice to isolate the LCD screen by running the Built In Self Test BIST How to invoke LCD BIST Test 1 Power off the Dell laptop 2 Disconnect any peripherals that are connected to the laptop Connect only the AC adapter char...

Страница 47: ...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 Dell Windows Backup Media and Recovery Options WiFi power cycle About this task If your computer is unable to access the internet due to WiFi connectivity issues a W...

Страница 48: ...5 Press and hold the power button for 20 seconds to drain the flea power 6 Install the battery 7 Install the base cover 8 Connect the power adapter to your computer 9 Turn on your computer NOTE For more information about performing a hard reset see the knowledge base article 000130881 at www dell com support 48 Troubleshooting ...

Страница 49: ... Processor type 6th Generation Intel Core Xeon E3 1505M v5 Intel Core i7 6820HQ 7th Generation Intel Core Xeon E3 1505M v6 Intel Core i7 7820HQ Intel Core i7 7700HQ Intel Core i5 7440HQ Intel Core i5 7300HQ L1 cache up to 256 KB cache depending on processor type L2 cache up to 1024 KB cache depending on processor type L3 cache up to 6144 KB cache depending on processor type Table 13 Memory Feature...

Страница 50: ...00 1000Base T IPv6 provided Wireless Wi Fi 802 11ac Wi Fi 802 11a g n Bluetooth 4 2 Miracast Table 17 Ports and Connectors Feature Specification Audio One headset port headphone and microphone combo USB 3 0 two USB 3 0 ports with PowerShare One Thunderbolt 3 port USB C Video one HDMI 1 4 Memory card reader SD 4 0 Table 18 Display Feature Specification Type 1920 x 1080 FHD 3840 x 2160 UltraHD Touch...

Страница 51: ...ation Active Area X axis 105 mm Y axis 80 mm Table 21 Camera Feature Specification Type HD Camera Digital Array Microphone Still Resolution 0 92 megapixels Maximum Video Resolution 1280 x 720 pixels HD at 30 frames per second Maximum Diagonal 74 degrees Table 22 Storage Feature Specification Storage Storage Interface SATA 3 Gbps SATA 6 Gbps PCIe 8 Gbps Drives configurations Hard Drives optional on...

Страница 52: ... to 50 C 32 F to 122 F Discharge 0 C to 70 C 32 F to 158 F Non operating 40 C to 65 C 40 F to 149 F Coin cell battery ML1220 Table 24 AC Adapter Feature Specification Input voltage 100 VAC to 240 VAC Input current maximum 1 80 A Input frequency 50 Hz to 60 Hz Output power 130 W Output current 6 67 A Rated output voltage 19 50 VDC Dimensions Height 22 mm 0 86 inches Width 66 mm 2 59 inches Depth 14...

Страница 53: ...F to 158 F Relative humidity maximum Operating 10 to 90 non condensing Storage 10 to 95 non condensing Maximum vibration Operating 0 66 GRMS 2 Hz 600 Hz Storage 1 3 GRMS 2 Hz 600 Hz Maximum shock Operating 110 G 2 ms Non operating 160 G 2 ms Altitude Operating 15 2 m to 30482000 m 50 to 10 0006560 ft Storage 15 2 m to 10 668 m 50 ft to 35 000 ft Airborne contaminant level G1 as defined by ISA S71 ...

Страница 54: ... 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 Steps 1 Go to Dell com support 2 Select your support category 3 Verify your country or region in the Choose a Country Region drop down list at the bottom of the page 4 Select the appropriate service or sup...

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