Dell G5 5090 Service Manual - Page 49

System board, Removing the system board

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Steps 1. Slide the LED daughter board in place on the system board. 2. Replace the screw (M2x3) that secures the LED daughter board to the system board. 3. Connect the light-bar cable and the front-LED cable to their respective connectors on the LED daughter board. Next steps 1. Install the left-side cover. 2. Follow the procedure in After working inside your computer. System board Removing the system board Prerequisites 1. Follow the procedure in Before working inside your computer. NOTE: Your computer's Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board. NOTE: Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program. You must 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 left-side cover. 3. Remove the light bar. 4. Remove the front cover 5. Remove the memory modules. 6. Remove the wireless card. 7. Remove the solid-state drive/Intel Optane. 8. Remove the graphics card. Removing and installing components 49

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Steps
1.
Slide the LED daughter board in place on the system board.
2.
Replace the screw (M2x3) that secures the LED daughter board to the system board.
3.
Connect the light-bar cable and the front-LED cable to their respective connectors on the LED daughter board.
Next steps
1.
Install the
left-side cover
.
2.
Follow the procedure in
After working inside your computer
.
System board
Removing the system board
Prerequisites
1.
Follow the procedure in
Before working inside your computer
.
NOTE:
Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup
program after you replace the system board.
NOTE:
Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program.
You must 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
left-side cover
.
3.
Remove the
light bar
.
4.
Remove the
front cover
5.
Remove the
memory modules
.
6.
Remove the
wireless card
.
7.
Remove the
solid-state drive/Intel Optane
.
8.
Remove the
graphics card
.
Removing and installing components
49