Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the side cover.
3. Remove the front bezel.
4. Remove the memory module.
5. Remove the M.2 2230 solid-state drive or the M.2 2280 solid-state drive, whichever is applicable.
6. Remove the external puck antenna, if applicable.
7. Remove the wireless card.
8. Remove the graphics card or the powered graphics card, whichever is applicable.
9. Remove the media-card reader, if applicable.
10. Remove the 3.5-inch hard drive or the secondary 3.5-inch hard drive, whichever is applicable.
11. Remove the expansion card, if applicable.
12. Remove the power button.
13. Remove the external SMA antenna module, if applicable.
14. Remove the processor fan and heat-sink assembly (for 65 W processors) or the processor fan and heat-sink assembly (for
125 W processors), whichever is applicable.
15. Remove the system fan.
16. Remove the processor.
17. Remove the voltage-regulator heat sink.
18. Remove the optional I/O modules, if applicable.
About this task
NOTE:
The Service Tag of your computer 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 that 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 indicates the connectors on your system board.
Removing and installing Field Replaceable Units (FRUs)
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