background image

Steps

1. In reverse sequential order (as indicated by the numbers on the heat sink), remove the screws that secure the heat sink to the system

board.

Heat sink for system boards with integrated graphics card: four screws (M2.5x6)

Heat sink for system boards with discrete graphics card: six screws (M2.5x6)

2. Lift the heat sink off the system board.

Installing the heat sink

Prerequisites

CAUTION:

 Incorrect alignment of the heat sink can damage the system board and the processor.

NOTE:

 If either the system board or the heat sink is replaced, use the thermal pad or thermal paste provided in the kit to

ensure that there is thermal conductivity.

About this task

The following image indicates the location of the heat sink and provides a visual representation of the installation procedure.

36

Disassembly and reassembly

Summary of Contents for P92F

Page 1: ...Dell Precision 5750 Service Manual Regulatory Model P92F Regulatory Type P92F001 May 2020 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 2020 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: ...SD1 slot 22 Removing the M 2 2280 solid state drive from the SSD1 slot 23 Installing the M 2 2280 solid state drive in the SSD1 slot 24 Solid state drive in SSD2 slot 25 Removing the M 2 2230 solid state drive from the SSD2 slot 25 Installing the M 2 2230 solid state drive in the SSD2 slot 26 Removing the M 2 2280 solid state drive from the SSD2 slot 27 Installing the M 2 2280 solid state drive in...

Page 4: ...yboard assembly 53 Removing the palm rest and keyboard assembly 53 Installing the palm rest and keyboard assembly 54 4 Troubleshooting 56 SupportAssist diagnostics 56 System diagnostic lights 56 System board built in self test M BIST 57 Recovering the operating system 57 Flashing the BIOS 58 Flashing BIOS USB key 58 Backup media and recovery options 58 WiFi power cycle 58 Flea power release 59 5 G...

Page 5: ... at www dell com regulatory_compliance CAUTION Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate static electricity which could harm internal components CAUTION When you disconnect a cable pull it by its connector or its pull tab...

Page 6: ...ds When unpacking a static sensitive component from its shipping carton do not remove the component from the anti static packing material until you are ready to install the component Before unwrapping the anti static packaging ensure that you discharge static electricity from your body Before transporting a static sensitive component place it in an anti static container or packaging ESD field serv...

Page 7: ...ansport ESD protection summary It is recommended that all field service technicians use the traditional wired ESD grounding wrist strap and protective anti static mat at all times when servicing Dell products In addition it is critical that technicians keep sensitive parts separate from all insulator parts while performing service and that they use anti static bags for transporting sensitive compo...

Page 8: ...er management features Full duplex data transfers and support for new transfer types Backward USB 2 0 compatibility New connectors and cable The topics below cover some of the most commonly asked questions regarding USB 3 0 USB 3 1 Gen 1 Speed Currently there are 3 speed modes defined by the latest USB 3 0 USB 3 1 Gen 1 specification They are Super Speed Hi Speed and Full Speed The new SuperSpeed ...

Page 9: ...nto some products that previously weren t USB territory like external RAID storage systems Listed below are some of the available SuperSpeed USB 3 0 USB 3 1 Gen 1 products External Desktop USB 3 0 USB 3 1 Gen 1 Hard Drives Portable USB 3 0 USB 3 1 Gen 1 Hard Drives USB 3 0 USB 3 1 Gen 1 Drive Docks Adapters USB 3 0 USB 3 1 Gen 1 Flash Drives Readers USB 3 0 USB 3 1 Gen 1 Solid state Drives USB 3 0...

Page 10: ... the device and the cable have to support USB Power Delivery Just having a USB Type C connection doesn t necessarily mean they do USB Type C and USB 3 1 USB 3 1 is a new USB standard USB 3 s theoretical bandwidth is 5 Gbps while USB 3 1 s is 10 Gbps That s double the bandwidth as fast as a first generation Thunderbolt connector USB Type C isn t the same thing as USB 3 1 USB Type C is just a connec...

Page 11: ...llows an HDMI connected TV with a built in tuner to send audio data upstream to a surround audio system eliminating the need for a separate audio cable 3D Defines input output protocols for major 3D video formats paving the way for true 3D gaming and 3D home theater applications Content Type Real time signaling of content types between display and source devices enabling a TV to optimize picture s...

Page 12: ...cklit Keyboard caps lock LED Battery Charge LED illuminates and displays specified behavior The auditory tone is Off by default It can be enabled in the BIOS setup Safeguards do not time out if the device gets hung during the logon process Dell logo Turns on within 2 secs after pressing the power button Full boot Within 22 secs after pressing the power button Below is the example timelines Power b...

Page 13: ...ttery is adequately charged or the computer is turned off 2 Solid amber the battery charge is critically low A low battery state is approximately 30 minutes or less of battery life remaining Camera LED White LED activates when camera is on Mic Mute LED When activated muted the mic mute LED on the F4 Key should illuminate WHITE RJ45 LEDs Table 2 LED on either side of RJ45 port Link speed indicator ...

Page 14: ...se cover Prerequisites 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 3 14 Disassembly and reassembly ...

Page 15: ...the palm rest and keyboard assembly 2 Using a plastic scribe pry the base cover from the palm rest and keyboard assembly CAUTION Do not pull on or pry the base cover at the side where the hinges are located doing so may damage the base cover Disassembly and reassembly 15 ...

Page 16: ...ther remove any other component from your computer NOTE Disconnecting the battery cable or removing the battery resets the BIOS settings on your computer 3 Disconnect the battery cable from the system board Installing the base cover Prerequisites About this task The following images indicate the location of the base cover and provide a visual representation of the installation procedure 16 Disasse...

Page 17: ...m rest and keyboard assembly Next steps 1 Follow the procedure in After working inside your computer Battery Removing the battery Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover NOTE Removing the battery clears the CMOS and resets the BIOS settings on your computer About this task The following image indicates the location of the battery and prov...

Page 18: ...eyboard assembly NOTE The two screws M2x4 that secure the top of the battery also secure the solid state drive thermal brackets to the system board 3 Lift the battery off the palm rest and keyboard assembly Installing the battery Prerequisites About this task The following image indicates the location of the battery and provides a visual representation of the installation procedure 18 Disassembly ...

Page 19: ... Replace the two screws M2x4 that secure the top of the battery and the solid state drive thermal brackets to the palm rest and keyboard assembly 4 Replace the five screws M2x4 that secure the bottom of the battery to the palm rest and keyboard assembly 5 Connect the battery cable to the system board Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer M...

Page 20: ...module pops up 3 Slide and remove the memory module from the memory module slot NOTE Repeat step 1 and step 2 if there is another memory module to remove Installing the memory modules Prerequisites About this task The following image indicates the location of the memory modules and provides a visual representation of the installation procedure 20 Disassembly and reassembly ...

Page 21: ... an angle into the memory module slot 4 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 4 if there is another memory module to install Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer Disassembly and reassembly 21 ...

Page 22: ...2280 solid state drive in the SSD1 slot The following image indicates the location of the M 2 2230 solid state drive that is installed in the SSD1 slot and provides a visual representation of the removal procedure Steps 1 Remove the screw M2x4 that secures the solid state drive thermal bracket and the solid state drive to the system board 2 Lift the thermal plate off the system board 3 Slide and l...

Page 23: ...n the notch on the solid state drive with the tab on the SSD1 slot 2 Slide the solid state drive into the SSD1 slot 3 Using the guide post place the solid state thermal bracket over the solid state drive 4 Align the screw hole on the solid state thermal bracket with the screw hole on the system board 5 Replace the screw M2x4 that secures the solid state thermal bracket and the solid state drive to...

Page 24: ... system board 3 Slide and lift the solid state drive off the SSD1 slot Installing the M 2 2280 solid state drive in the SSD1 slot Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task NOTE This procedure applies only to computers shipped with an M 2 2280 solid state drive installed in the SSD1 slot NOTE Depending o...

Page 25: ...board Next steps 1 Install the base cover 2 Install the battery 3 Follow the procedure in After working inside your computer Solid state drive in SSD2 slot Removing the M 2 2230 solid state drive from the SSD2 slot Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery About this task NOTE This procedure applies only to computers sh...

Page 26: ... component remove the existing component before performing the installation procedure About this task NOTE This procedure applies only to computers shipped with an M 2 2230 solid state drive installed in the SSD2 slot NOTE Depending on the configuration ordered your computer may support an M 2 2230 solid state drive or an M 2 2280 solid state drive in the SSD2 slot NOTE Install the solid state dri...

Page 27: ... the battery 2 Install the base cover 3 Follow the procedure in After working inside your computer Removing the M 2 2280 solid state drive from the SSD2 slot Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery About this task NOTE This procedure applies only to computers shipped with an M 2 2280 solid state drive installed in the...

Page 28: ...e replacing a component remove the existing component before performing the installation procedure About this task NOTE This procedure applies only to computers shipped with an M 2 2280 solid state drive installed in the SSD2 slot NOTE Install the solid state drive mounting bracket if it is not installed The following image indicates the location of the M 2 2280 solid state drive that is installed...

Page 29: ...he system board 6 Adhere the tape that secures the solid state drive thermal bracket to the system board Next steps 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working inside your computer Fans Removing the fan 1 Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover About this task The following image indicates the lo...

Page 30: ...rd assembly 2 Disconnect the right fan cable from the system board 3 Lift the right fan FAN1 off the palm rest and keyboard assembly Installing the right fan Prerequisites About this task The following images indicate the location of the fan 1 and provides a visual representation of the installation procedure 30 Disassembly and reassembly ...

Page 31: ...right fan Fan 1 to the system board and palm rest and keyboard assembly Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer Removing the fan 2 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 fan 2 and provides a visual representation of ...

Page 32: ...yboard assembly 2 Disconnect the fan cable from the system board 3 Lift the left fan Fan 2 off the palm rest and keyboard assembly Installing the left fan Prerequisites About this task The following image indicates the location of the fan 2 and provides a visual representation of the installation procedure 32 Disassembly and reassembly ...

Page 33: ...g the heat sink for computers shipped with integrated graphics card Prerequisites 1 Follow the procedure in Before working inside your computer CAUTION For maximum cooling of the processor do not touch the heat transfer areas on the heat sink The oils in your skin can reduce the heat transfer capability of the thermal grease NOTE The heat sink may become hot during normal operation Allow sufficien...

Page 34: ...ated graphics card Prerequisites CAUTION Incorrect alignment of the heat sink can damage the system board and the processor NOTE If either the system board or the heat sink is replaced use the thermal pad or thermal paste provided in the kit to ensure that there is thermal conductivity About this task The following image indicates the location of the heat sink and provides a visual representation ...

Page 35: ... the procedure in Before working inside your computer CAUTION For maximum cooling of the processor do not touch the heat transfer areas on the heat sink The oils in your skin can reduce the heat transfer capability of the thermal grease NOTE The heat sink may become hot during normal operation Allow sufficient time for the heat sink to cool before you touch it 2 Remove the base cover 3 Remove the ...

Page 36: ...t the heat sink off the system board Installing the heat sink Prerequisites CAUTION Incorrect alignment of the heat sink can damage the system board and the processor NOTE If either the system board or the heat sink is replaced use the thermal pad or thermal paste provided in the kit to ensure that there is thermal conductivity About this task The following image indicates the location of the heat...

Page 37: ...k for system boards with discrete graphics card six screws M2 5x6 Next steps 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working inside your computer I O board Removing the I O 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 indicates the location of...

Page 38: ...crews M2x4 that secures the I O board to the palm rest and keyboard assembly 4 Lift the I O board off the palm rest and keyboard assembly Installing the I O board Prerequisites About this task The following image indicates the location of the I O board and provides a visual representation of the installation procedure 38 Disassembly and reassembly ...

Page 39: ... the I O board Next steps 1 Install the battery 2 Install the base cover 3 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 About this task The following images indicate the location of the display cable and the display hinges and provide a vi...

Page 40: ...40 Disassembly and reassembly ...

Page 41: ...bly 5 Remove the three screws M2 5x5 that secure the right display hinge to the palm rest and keyboard assembly 6 Lift the left and the right hinges from the palm rest and keyboard assembly 7 Slide the palm rest and keyboard assembly from the display assembly 8 After performing all the above steps you are left with the display assembly Installing the display assembly Prerequisites About this task ...

Page 42: ...42 Disassembly and reassembly ...

Page 43: ...ge to the system board and the palm rest and keyboard assembly 5 Connect the display cable and the camera cable to the display assembly cable 6 Align the screw holes on the display assembly cable bracket with the screw holes on the system board 7 Replace the two screws M2x4 that secure the display assembly cable bracket to the palm rest and keyboard assembly NOTE Apply gentle torque when tightenin...

Page 44: ...emove the memory modules 5 Remove the M 2 2230 solid state drive or the M 2 2280 solid state drive from the SSD1 slot 6 Remove the M 2 2230 solid state drive or the M 2 2280 solid state drive from the SSD2 slot 7 Remove the heat sink NOTE The system board can be removed or installed together with the heat sink attached This simplifies the procedure and avoids breaking the thermal bond between the ...

Page 45: ...plicable only to computers shipped with active antenna 9 Right fan cable 10 Display cable The following images indicate the location of the system board and provide a visual representation of the removal procedure Disassembly and reassembly 45 ...

Page 46: ...ystem board 8 Disconnect the speaker cable from the system board 9 Disconnect the keyboard cable from the system board 10 Remove the two screws M2x4 that secure the USB Type C port bracket to the palm rest and keyboard assembly 11 Peel off the mylar that secures the woofer cable and the speaker cable to the system board 12 Remove the screw M2x4 that secures the wireless card bracket to the system ...

Page 47: ...k The following image indicates the location of the connectors on your system board Figure 4 System board connectors 1 Power button connector 2 Left fan connector 3 Left antenna cable applicable only to computers shipped with active antenna 4 Left speaker cable 5 Keyboard cable 6 Right speaker cable 7 Antenna cables 8 Right antenna cable applicable only to computers shipped with active antenna 9 R...

Page 48: ...48 Disassembly and reassembly ...

Page 49: ...he speaker connector to the system board 8 Replace the screw M2x4 that secures the wireless card bracket to the system board 9 Connect the power button cable to the system board and close the latch to secure the power button cable to the system board 10 Connect the woofer cable to the system board and close the latch to secure the woofer cable to the system board 11 Connect the speaker cable to th...

Page 50: ... program Make the appropriate changes again after you replace the system board NOTE Before disconnecting the cables from the system board note the location of the connectors so that you can reconnect the cables correctly after you replace the system board 2 Remove the base cover 3 Remove the battery 4 Remove the memory modules 5 Remove the M 2 2230 solid state drive or the M 2 2280 solid state dri...

Page 51: ... assembly 4 Peel off the tapes that secure the antenna cable to the palm rest and keyboard assembly 5 Remove the antenna cable from the routing guides on the palm rest and keyboard assembly 6 Lift the left and the right antenna along with its cables off the palm rest and keyboard assembly Installing the antennas Prerequisites About this task The following image indicates the location of the antenn...

Page 52: ...n the screw holes on the left antenna with the screw holes on the palm rest and keyboard assembly 7 Replace the four screws M2x2 that secure the left antenna to the palm rest and keyboard assembly Next steps 1 Install the system board 2 Install the display assembly 3 Install the I O board 4 Install the fan 2 5 Install the fan 1 6 Install the heat sink NOTE The system board can be removed or instal...

Page 53: ... the cables from the system board note the location of the connectors so that you can reconnect the cables correctly after you replace the system board 2 Remove the base cover 3 Remove the battery 4 Remove the memory modules 5 Remove the M 2 2230 solid state drive or the M 2 2280 solid state drive from the SSD1 slot 6 Remove the M 2 2230 solid state drive or the M 2 2280 solid state drive from the...

Page 54: ... palm rest and keyboard assembly Installing the palm rest and keyboard assembly Prerequisites About this task The following image indicates the palm rest and keyboard assembly and provides a visual representation of the installation procedure 54 Disassembly and reassembly ...

Page 55: ...ther with the heat sink attached This simplifies the procedure and avoids breaking the thermal bond between the system board and the heat sink 8 Install the M 2 2230 solid state drive or the M 2 2280 solid state drive from the SSD2 slot 9 Install the M 2 2230 solid state drive or the M 2 2280 solid state drive from the SSD1 slot 10 Install the memory modules 11 Install the battery 12 Install the b...

Page 56: ... lights Battery status light Indicates the power and battery charge status Solid white Power adapter is connected and the battery has more than 5 percent charge Amber Computer is running on battery and the battery has less than 5 percent charge Off Power adapter is connected and the battery is fully charged Computer is running on battery and the battery has more than 5 percent charge Computer is i...

Page 57: ...o invoke the system board built in self test M BIST perform the following steps 1 Press and hold both the M key and the power button to initiate M BIST 2 The battery status light illuminates in amber when there is a system board failure 3 Replace the system board to fix the issue NOTE The battery status LED does not illuminate when the system board is functioning properly Recovering the operating ...

Page 58: ...Steps 1 Follow the procedure from step 1 to step 7 in Flashing the BIOS to download the latest BIOS setup program file 2 Create a bootable USB drive For more information see the knowledge base article SLN143196 at www dell com support 3 Copy the BIOS setup program file to the bootable USB drive 4 Connect the bootable USB drive to the computer that needs the BIOS update 5 Restart the computer and p...

Page 59: ... computer even after it has been powered off and the battery has been disconnected from the system board The following procedure provides the instructions on how to release the flea power Steps 1 Turn off your computer 2 Remove the base cover NOTE The battery must be disconnected from the system board see Step 3 in Removing the base cover 3 Press and hold the power button for 15 seconds to drain t...

Page 60: ...ne 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 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 servic...

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