System Board; Removing The System Board - Dell P46E Service Manual

7. Replace the three screws (M2x4) that secure the touchpad bracket to the palm-rest and keyboard assembly.
Next steps
1. Install the 3-cell battery
2. Install the base cover.
3. Follow the procedure in

System board

Removing the system board

Prerequisites
1. Follow the procedure in
CAUTION: Disconnecting the coin-cell battery resets the BIOS setup program's settings to default. It is
recommended that you note the BIOS setup program's settings before removing the coin-cell battery.
NOTE: The Service Tag of your computer is stored in the system board. Enter the Service Tag in the BIOS setup
program after you replace the system board.
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 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 3-cell battery
4. Remove the M.2 2230 solid-state drive
5. Remove the M.2 2230 solid-state drive
6. Remove the memory modules.
7. Remove the hard drive.
8. Remove the wireless card.
9. Remove the rear cover.
10. Remove the rear-cover
11. Remove the processor
12. Remove the graphics-card
13. Remove the heat sink.
14. Remove the power-adapter
About this task
The following image indicates the cables on your system board.
64 Removing and installing components
or the 6-cell battery.
After working inside your computer.
Before working inside your
or the 6-cell battery.
or the M.2 2280 solid-state drive
or the M.2 2280 solid-state drive
bracket.
fan.
fan.
port.
computer.
from the SSD1 slot.
from the SSD2 slot, if installed.