Dell Inspiron 5391 Service Manual - Page 44

System board, Removing the system board

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Steps 1. Align and place the power button with fingerprint reader on the palm-rest and keyboard assembly. 2. Replace the screw (M1.6x2) that secure the power button with fingerprint reader to the palm-rest and keyboard assembly. 3. Connect the fingerprint-reader cable to the fingerprint-reader board and close the latch to secure the cable. 4. Align and place the power-button bracket on the palm-rest and keyboard assembly. 5. Replace the screw (M1.6x2) that secure the power-button bracket to the palm-rest and keyboard assembly. Next steps 1. Install the I/O board. 2. Install the fan. 3. Install the WLAN card. 4. Install the battery. 5. Install the base cover. 6. 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. 2. Remove the base cover. 3. Remove the battery. 4. Remove the M.2 2280 solid-state drive or M,2 2230 solid-state drive, whichever applicable. 5. Remove the WLAN card. 6. Remove the fan. 7. Remove the heat sink. 44 Removing and installing components

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Steps
1.
Align and place the power button with fingerprint reader on the palm-rest and keyboard assembly.
2.
Replace the screw (M1.6x2) that secure the power button with fingerprint reader to the palm-rest and keyboard assembly.
3.
Connect the fingerprint-reader cable to the fingerprint-reader board and close the latch to secure the cable.
4.
Align and place the power-button bracket on the palm-rest and keyboard assembly.
5.
Replace the screw (M1.6x2) that secure the power-button bracket to the palm-rest and keyboard assembly.
Next steps
1.
Install the
I/O board
.
2.
Install the
fan
.
3.
Install the
WLAN card
.
4.
Install the
battery
.
5.
Install the
base cover
.
6.
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
.
2.
Remove the
base cover
.
3.
Remove the
battery
.
4.
Remove the
M.2 2280 solid-state drive
or
M,2 2230 solid-state drive
, whichever applicable.
5.
Remove the
WLAN card
.
6.
Remove the
fan
.
7.
Remove the
heat sink
.
44
Removing and installing components