Steps
1. Ensure that the release lever on the processor socket is fully extended in the open position.
NOTE: The pin-1 corner of the processor has a triangle that aligns with the triangle on the pin-1 corner on the
processor socket. When the processor is properly seated, all four corners are aligned at the same height. If one or
more corners of the processor are higher than the others, the processor is not seated properly.
2. Align the notches on the processor with the tabs on the processor socket and place the processor in the processor socket on the
system board.
NOTE: Ensure that the processor-cover notch is positioned underneath the alignment post.
3. When the processor is fully seated in the socket, pivot the release-lever down and place it under the tab on the processor cover.
Next steps
1. Install the fan and heat-sink assembly.
2. Install the fan shroud.
3. Install the left-side cover.
4. 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 front cover.
3. Remove the left-side cover.
4. Remove the fan shroud.
5. Remove the solid-state drive/Intel Optane.
6. Remove the coin-cell battery.
7. Remove the wireless card.
8. Remove the hard drive.
9. Remove the graphics card.
10. Remove the media-card reader.
11. Remove the fan and heat-sink assembly.
12. Remove the processor.
About this task
NOTE:
For computers shipped with 10th Generation Intel Core i5-10400F and 10th Generation Intel Core i7-10700F
processors a VGA-connector cover is installed over the VGA connector and needs to be removed when the VGA-
connector board is removed.
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.
The following image(s) indicate the location of the system board and provides a visual representation of the removal procedure.
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Removing and installing components
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