Dell Inspiron 14 5485 2-in-1 Inspiron 5485 2-in-1 Service Manual - Page 54

Removing the system board, Prerequisites, Procedure, after you replace the system board.

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34 Removing the system board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. 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. Prerequisites 1 Remove the base cover. 2 Remove the battery. 3 Remove the memory modules. 4 Remove the coin-cell battery. 5 Remove the solid-state drive. 6 Remove the fan. 7 Remove the heat sink. 8 Remove the wireless card. Procedure 1 Open the latch, and disconnect the I/O-board cable from the system board. 2 Peel off the tapes that secure the display cable and touch-screen board cable to the system board. 3 Disconnect the touch-screen board cable from the system board. 4 Open the latches, and disconnect the display cable from the system board. 54 Removing the system board

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Removing the system board
WARNING:
Before working inside your computer, read the safety information that shipped with your computer and follow the
steps in
Before working inside your computer
. After working inside your computer, follow the instructions in
After working inside
your computer
. For more safety best practices, see the Regulatory Compliance home page at
www.dell.com/
regulatory_compliance
.
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.
Prerequisites
1
Remove the
base cover
.
2
Remove the
battery
.
3
Remove the
memory modules
.
4
Remove the
coin-cell battery
.
5
Remove the
solid-state drive
.
6
Remove the
fan
.
7
Remove the
heat sink
.
8
Remove the
wireless card
.
Procedure
1
Open the latch, and disconnect the I/O-board cable from the system board.
2
Peel
off
the tapes that secure the display cable and touch-screen board cable to the system board.
3
Disconnect the touch-screen board cable from the system board.
4
Open the latches, and disconnect the display cable from the system board.
34
54
Removing the system board