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Dell G15 5525, Service Manual

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Dell G15 5525 Service Manual Download Page 40

Installing the system board

Prerequisites

If you are replacing a component, remove the existing component before performing the installation procedure.

NOTE:

 Replacing the system board removes any changes that you have made to the BIOS using the BIOS setup program.

Make the appropriate changes again after you replace the system board.

About this task

The following image indicates the location of the system board and provides a visual representation of the installation procedure.

Steps

1.

NOTE:

 Place the system board on a clean and flat surface.

Replace the 

ethernet and audio board

, 

USB board

, and 

fan and heat-sink assembly

.

2. Turn the system board over.

CAUTION:

 Before replacing the system board, ensure that the power button cable is routed below the USB

board. If the power button cable is not routed and connected properly, the computer will not power on.

3. Align the screw holes on the system board with the screw holes on the palm-rest and keyboard assembly.

NOTE:

 Align the system board with the positioning pins on the palm-rest and keyboard assembly.

NOTE:

 Align the heat sink to the top edge of the palm-rest and keyboard assembly.

4. Replace the five (M2x4) screws that secure the system board to the palm-rest and keyboard assembly.

40

Removing and installing components

Summary of Contents for G15 5525

Page 1: ...Dell G15 5525 Service Manual Regulatory Model P105F Regulatory Type P105F009 P105F010 March 2022 Rev A00 ...

Page 2: ...ential 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 2022 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 ...

Page 3: ...reless card 21 Memory module 23 Touchpad 24 Speakers 26 Rear cover 28 Display assembly 30 Keyboard controller board 34 Power adapter port 35 System board 37 Fan and heat sink assembly 41 USB board 43 Ethernet and audio board 45 Power button 47 Palm rest and keyboard assembly 49 Chapter 3 Drivers and downloads 52 Chapter 4 System setup 53 Entering BIOS setup program 53 Navigation keys 53 System set...

Page 4: ...e F12 One Time boot menu 64 Chapter 5 Troubleshooting 65 Handling swollen Lithium ion batteries 65 SupportAssist diagnostics 65 System diagnostic lights 66 Recovering the operating system 67 Backup media and recovery options 67 WiFi power cycle 67 Drain residual flea power perform hard reset 67 Chapter 6 Getting help and contacting Dell 69 4 Contents ...

Page 5: ...all power sources before opening the computer cover or panels After you finish working inside the computer replace all covers panels and screws before connecting your computer to an electrical outlet CAUTION To avoid damaging the computer ensure that the work surface is flat dry and clean CAUTION To avoid damaging the components and cards handle them by their edges and avoid touching the pins and ...

Page 6: ...ent also called latent or walking wounded failure Perform the following steps to prevent ESD damage Use a wired ESD wrist strap that is properly grounded The use of wireless anti static straps is no longer allowed they do not provide adequate protection Touching the chassis before handling parts does not ensure adequate ESD protection on parts with increased sensitivity to ESD damage Handle all st...

Page 7: ...sitive devices must be shipped and received in static safe packaging Metal static shielded bags are preferred However you should always return the damaged part using the same ESD bag and packaging that the new part arrived in The ESD bag should be folded over and taped shut and all the same foam packing material should be used in the original box that the new part arrived in ESD sensitive devices ...

Page 8: ...at the correct number of screws and correct screw type is restored when the component is replaced NOTE Some computers have magnetic surfaces Ensure that the screws are not left attached to such surfaces when replacing a component NOTE Screw color may vary with the configuration ordered Table 1 Screw list Component Screw type Quantity Screw image Base cover M2x6 4 NOTE Screw color may vary dependin...

Page 9: ...er button M2x2 2 Type C bracket M2x4 2 System board M2x4 5 USB board M2x4 1 Ethernet and audio board M2x2 2 ethernet and audio board M2x4 2 Power button shield M2x2 2 Major components of your computer The following image shows the major components of your computer Removing and installing components 9 ...

Page 10: ...ard 15 Wireless card 16 Memory module 17 Power button NOTE Dell provides a list of components and their part numbers for the original system configuration purchased These parts are available according to warranty coverages purchased by the customer Contact your Dell sales representative for purchase options Disassembly and reassembly NOTE The images in this document may differ from your computer d...

Page 11: ...isites 1 Follow the procedure in Before working inside your computer About this task The following images indicate the location of the base cover and provide a visual representation of the removal procedure Removing and installing components 11 ...

Page 12: ... four captive screws that secure the base cover to the palm rest and keyboard assembly 2 Remove the four screws M2x6 that secure the base cover to the palm rest and keyboard assembly 12 Removing and installing components ...

Page 13: ... are applicable only if you want to further remove any other component from your computer 4 Using the pull tab disconnect the battery cable from the system board 5 Turn your computer over and press the power button for 15 seconds to drain the flea power Installing the base cover Prerequisites If you are replacing a component remove the existing component before performing the installation procedur...

Page 14: ...se cover with the screw holes on the palm rest and keyboard assembly and then snap the base cover into place 3 Replace the four screws M2x6 that secure the base cover to the palm rest and keyboard assembly 4 Tighten the four captive screws that secure the base cover to the palm rest and keyboard assembly 14 Removing and installing components ...

Page 15: ...tem components 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 Always purchase genuine batteries from www dell com or authorized Dell partners and resellers Swollen batteries should no...

Page 16: ...bly 3 Lift the battery off the palm rest and keyboard assembly Installing the battery Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the battery and provides a visual representation of the installation procedure 16 Removing and installing components ...

Page 17: ...ery cable to the system board Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer Solid state drives Removing the solid state drive Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover About this task NOTE For more information about Dell qualified solid state drives supported by your computer see Parts Acce...

Page 18: ...he thermal shield off the palm rest and keyboard assembly 3 Slide and lift the solid state drive off the slot on the system board Installing the solid state drive Prerequisites If you are replacing a component remove the existing component before performing the installation procedure 18 Removing and installing components ...

Page 19: ... move the solid state drive holder and then follow to the 2230 card installation steps below The following image indicates the location of the solid state drive 2230 and solid state drive 2280 and provides a visual representation of the installation procedure Steps 1 Align the notches on the solid state drive with the tab on the solid state drive slot 2 Slide the solid state drive into the solid s...

Page 20: ...tate drive form factors M 2 2230 M 2 2280 If you are replacing the solid state drive of a different form factor other than the one removed see the following procedure to move the location of the solid state drive holder Steps 1 Remove the solid state drive holder from the palm rest and keyboard assembly 2 Turn the solid state drive holder to 180 degrees 3 Insert the solid state drive holder into t...

Page 21: ...cation of the wireless card and provides a visual representation of the removal procedure Steps 1 Remove the screw M2x4 that secures the wireless card to the USB board 2 Lift the bracket that secures the wireless card to the system board 3 Disconnect the antenna cables from the wireless card 4 Slide and remove the wireless card from the wireless card slot Removing and installing components 21 ...

Page 22: ...less card and provides a visual representation of the installation procedure Steps 1 Connect the antenna cables to the wireless card The following table provides the antenna cable color scheme for the wireless card supported by your computer Table 2 Antenna cable color scheme Connectors on the wireless card Antenna cable color Main white triangle White Auxiliary black triangle Black 22 Removing an...

Page 23: ...moving the memory module Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover About this task The following image indicates the location of the memory modules and provides a visual representation of the removal procedure Steps 1 Use your fingertips to carefully spread apart the securing clips on each end of the memory module slot until the memory modu...

Page 24: ...ory module slot 2 Slide the memory module firmly into the slot at an angle 3 Press the memory module down until it clicks into place NOTE If you do not hear the click remove the memory module and reinstall it NOTE Repeat step 1 to step 3 to install the other memory module if available on your computer Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer ...

Page 25: ...palm rest and transferred to the replacement palm rest 3 Open the latch and disconnect the touchpad cable from the system board 4 Peel the touchpad cable from the touchpad 5 Remove the four M2x2 screws that secure the touchpad to the palm rest and keyboard assembly 6 Lift the touchpad off the palm rest and keyboard assembly Installing the touchpad Prerequisites If you are replacing a component rem...

Page 26: ...to the touchpad 6 Connect the touchpad cable to the system board and close the securing latch 7 Route the speaker cable through the routing guides on the palm rest and keyboard assembly Next steps 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working inside your computer Speakers Removing the speakers Prerequisites 1 Follow the procedure in Before working inside yo...

Page 27: ...thernet and audio board before disconnecting the cable from the system board 3 Disconnect the speaker cable from the system board and release the cable from below the ethernet and audio board board 4 Lift the speakers along with the cable off the palm rest and keyboard assembly Installing the speakers Prerequisites If you are replacing a component remove the existing component before performing th...

Page 28: ...embly 4 Route the speaker cable through the routing guides on the palm rest and keyboard assembly NOTE Route the speaker cable below the ethernet and audio board Do not route the speaker cable over the solid state drive bracket Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer Rear cover Removing the rear cover Prerequisites 1 Follow the procedure in ...

Page 29: ...y from the system board and lift it off the palm rest and keyboard assembly Installing the rear cover Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the rear cover and provides a visual representation of the installation procedure Removing and installing componen...

Page 30: ...ecure the rear cover to the system board Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer Display assembly Removing the display assembly Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the rear cover 4 Remove the wireless card About this task The following images indicate the location of th...

Page 31: ... to the system board 2 Note the routing of the antenna cable and display cable and remove the antenna cables from the left fan 3 Peel the tape and open the latch and disconnect the display cable from the system board Removing and installing components 31 ...

Page 32: ...ift the hinges from the palm rest and keyboard assembly 9 Slide and lift the display assembly off the palmrest and keyboard assembly 10 After performing all the above steps you are left with the display assembly Installing the display assembly Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following imag...

Page 33: ...embly and place the display assembly on the palm rest and keyboard assembly 2 Route the antenna cable and display cable through the routing guides on the palm rest and keyboard assembly and to the top side of the computer and along the left of the power adapter port Removing and installing components 33 ...

Page 34: ...eps 1 Install the wireless card 2 Install the rear cover 3 Install the base cover 4 Follow the procedure in After working inside your computer Keyboard controller board Removing the keyboard controller board Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery About this task The following image s indicate the location of the keyb...

Page 35: ...nment posts place the keyboard controller board into the slot on the palm rest and keyboard assembly 2 Replace the screw M2x2 that secures the keyboard controller board to the palm rest and keyboard assembly 3 Connect the keyboard backlight cable to the keyboard contoller board and close the latch to secure the cable 4 Connect the keyboard cable to the keyboard controller board and close the latch...

Page 36: ... port bracket from the power adapter port 3 Disconnect the power adapter port cable from the system board 4 Lift the power adapter port along with its cable off the palm rest and keyboard assembly Installing the power adapter port Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates t...

Page 37: ...sites 1 Follow the procedure in Before working inside your computer CAUTION Before removing the system board give sufficient time for the heat sink to cool down to avoid injury NOTE Replacing the system board removes any changes that you have made to the BIOS using the BIOS setup program Make the appropriate changes again after you replace the system board NOTE Before disconnecting the cables from...

Page 38: ...ystem board 6 Remove the two M2x2 screws that secures the left fan to the to the palm rest and keyboard assembly 7 Disconnect the speaker cable from the system board 8 Open the latch and disconnect the keyboard cable from the system board 9 Open the latch and disconnect the keyboard backlight cable from the system board 10 Open the latch and disconnect the touchpad cable from the system board 11 D...

Page 39: ...oard assembly holding the USB board ethernet and audio board or the bottom side of the system board 15 After performing all the above steps lift the system board off the palm rest and keyboard assembly along with the ethernet and audio board USB board and fan and heat sink assembly 16 Turn the system board over and remove ethernet and audio board USB board and fan and heat sink assembly 17 After p...

Page 40: ...at surface Replace the ethernet and audio board USB board and fan and heat sink assembly 2 Turn the system board over CAUTION Before replacing the system board ensure that the power button cable is routed below the USB board If the power button cable is not routed and connected properly the computer will not power on 3 Align the screw holes on the system board with the screw holes on the palm rest...

Page 41: ...h the routing guides on the palm rest and keyboard assembly Next steps 1 Install the memory module 2 Install the wireless card 3 Install the solid state drive 4 Install the rear cover 5 Install the battery 6 Install the base cover 7 Follow the procedure in After working inside your computer Fan and heat sink assembly Removing the fan and heat sink assembly Prerequisites 1 Follow the procedure in B...

Page 42: ... component before performing the installation procedure About this task The following image indicates the location of the fan and heat sink assembly and provides a visual representation of the installation procedure CAUTION Incorrect alignment of the heat sink can damage the system board and processor NOTE If either the system board or the heat sink is replaced use the thermal pad paste provided i...

Page 43: ...he screw holes on the system board with the screw holes on the palm rest and keyboard assembly Next steps 1 Install the system board 2 Install the memory module 3 Install the wireless card 4 Install the solid state drive 5 Install the rear cover 6 Install the battery 7 Install the base cover 8 Follow the procedure in After working inside your computer USB board Removing the USB board Prerequisites...

Page 44: ...board and provides a visual representation of the removal procedure Steps 1 Turn the system board over 2 Remove the two screws M2x4 that secure the USB board to the system board 3 Remove the USB board from the palm rest and keyboard assembly Installing the USB board Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this ...

Page 45: ...ll the battery 7 Install the base cover 8 Follow the procedure in After working inside your computer Ethernet and audio board Removing the Installing the Ethernet and audio board Prerequisites About this task The following image indicates the location of the ethernet and audio board and provides a visual representation of the removal procedure 1 Follow the procedure in Before working inside your c...

Page 46: ... audio board to the system board 3 Disconnect and remove theethernet and audio board from the system board Installing the Ethernet and audio board Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the ethernet and audio board and provides a visual representation of ...

Page 47: ...lid state drive 5 Install the rear cover 6 Install the battery 7 Install the base cover 8 Follow the procedure in After working inside your computer Power button Removing the power button Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery 4 Remove the rear cover 5 Remove the solid state drive 6 Remove the wireless card 7 Remove ...

Page 48: ...oard assembly 3 Remove the two screws M2x2 that secure the power button to the palm rest and keyboard assembly 4 Lift the power button off the palm rest and keyboard assembly Installing the power button Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the power but...

Page 49: ...rd 2 Install the memory module 3 Install the wireless card 4 Install the solid state drive 5 Install the rear cover 6 Install the battery 7 Install the base cover 8 Follow the procedure in After working inside your computer Palm rest and keyboard assembly Removing the palm rest and keyboard assembly Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover...

Page 50: ...with the palm rest and keyboard assembly NOTE When replacing the palm rest the solid state drive holder and the touchpad bracket must to be removed from the existing palm rest and transferred to the replacement palm rest Installing the palm rest and keyboard assembly Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this...

Page 51: ...rt 7 Install the speakers 8 Install the wireless card 9 Install the memory module 10 Install the solid state drive 11 Install the display assembly 12 Install the keboard controller board 13 Install the touchpad 14 Install the rear cover 15 Install the battery 16 Install the base cover 17 Follow the procedure in After working inside your computer Removing and installing components 51 ...

Page 52: ...rivers and downloads When troubleshooting downloading or installing drivers it is recommended that you read the Dell Knowledge Based article Drivers and Downloads FAQ 000123347 3 52 Drivers and downloads ...

Page 53: ...ling base devices Entering BIOS setup program Steps 1 Turn on your computer 2 Press F2 immediately to enter the BIOS setup program NOTE If you wait too long and the operating system logo appears continue to wait until you see the desktop Then turn off your computer and try again Navigation keys NOTE For most of the System Setup options changes that you make are recorded but do not take effect unti...

Page 54: ...dapter Displays whether an AC adapter is installed Processor Information Processor Type Displays the processor type Maximum Clock Speed Displays the maximum processor clock speed Core Count Displays the number of cores on the processor Processor L2 Cache Displays the processor L2 Cache size Processor ID Displays the processor identification code Processor L3 Cache Displays the processor L3 Cache s...

Page 55: ...Enables or disables boot devices for this computer Boot Sequence Displays the boot sequence BIOS Setup Advanced Mode Enables or disables advanced BIOS settings Default ON UEFI Boot Path Security Enables or disables the system to prompt the user to enter the Admin password when booting a UEFI boot path from the F12 boot menu Default Always Except Internal HDD Table 6 System setup options System Con...

Page 56: ...light Timeout on AC Configures the timeout value for the keyboard when an AC adapter is connected to the computer The keyboard backlight timeout value is only effect when the backlight is enabled Default 10 seconds Keyboard Backlight Timeout on Battery Configures the timeout value for the keyboard when the computer is running on battery The keyboard backlight timeout value is only effect when the ...

Page 57: ... the operating system to skip BIOS Physical Presence Interface PPI user prompts when issuing the Clear command Default OFF Clear Enables or disables the computer to clear the PTT owner information and returns the PTT to the default state Default OFF Intel SGX Enables or disables the Intel Software Guard Extensions SGX to provide a secured environment for running code storing sensitive information ...

Page 58: ...es or disables the Intel Hyper Threading Technology to use processor resources more efficiently Default ON Intel SpeedStep Enables or disables the Intel SpeedStep Technology to dynamically adjust processor voltage and core frequency decreasing average power consumption and heat production Default ON Intel TurboBoost Technology Enabled or disabled the Intel TurboBoost mode of the processor If enabl...

Page 59: ...B devices to wake the computer from Standby mode Default OFF Enable Intel Speed Shift Technology Enables or disables Intel Speed Shift Technology support which enables the operating system to select the appropriate processor performance automatically Default ON Lid Switch Enables the computer to power up from the off state whenever the lid is opened Default ON Table 13 System setup options Wireles...

Page 60: ...nu Virtualization Intel Virtualization Technology Enables the computer to run a virtual machine monitor VMM Default ON VT for Direct I O Enables the computer to perform Virtualization Technology for Direct I O VT d VT d is an Intel method that provides virtualization for memory map I O Default ON Table 16 System setup options Maintenance menu Maintenance Asset Tag Creates a system Asset Tag that c...

Page 61: ...overy Threshold Controls the automatic boot flow for SupportAssist System Resolution Console and for Dell operating system Recovery tool Default 2 SupportAssist operating system Recovery Enables or disables the boot flow for SupportAssist operating system Recovery tool in the even of certain system errors Default ON System and setup password Table 19 System and setup password Password type Descrip...

Page 62: ...assword Status is Unlocked in the System Setup before attempting to delete or change the existing System and or Setup password You cannot delete or change an existing System or Setup password if the Password Status is Locked About this task To enter the System Setup press F12 immediately after a power on or reboot Steps 1 In the System BIOS or System Setup screen select System Security and press E...

Page 63: ... 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 the BIOS update file 8 Double click the BIOS update file icon and...

Page 64: ...rom the One Time boot menu To update your BIOS from the F12 One Time boot menu you need the following USB drive formatted to the FAT32 file system key does not have to be bootable BIOS executable file that you downloaded from the Dell Support website and copied to the root of the USB drive AC power adapter that is connected to the computer Functional computer battery to flash the BIOS Perform the ...

Page 65: ...f 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 Dell in an approved shipping container provided by Dell this is to co...

Page 66: ...ight blinks amber two times followed by a pause and then blinks white three times followed by a pause This 2 3 pattern continues until the computer is turned off indicating no memory or RAM is detected The following table shows different power and battery status light patterns and associated problems Table 20 LED codes Diagnostic light codes Problem description 1 1 TPM detection failure 1 2 Unreco...

Page 67: ...ive 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 WiFi power cycle procedure may be performed The following p...

Page 68: ...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 68 Troubleshooting ...

Page 69: ...r Express Service Code at www dell com support For more information on how to find the Service Tag for your computer see Locate the Service Tag on your computer Dell knowledge base articles for a variety of computer concerns 1 Go to www dell com support 2 On the menu bar at the top of the Support page select Support Knowledge Base 3 In the Search field on the Knowledge Base page type the keyword t...

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