Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the base cover.
3. Remove the memory module.
4. Remove the solid-state drive.
5. Remove the wireless card.
6. Remove the fan.
7. Remove the heat sink.
NOTE: When removing the system board to replace/access other parts, the system board can be removed with the
heat sink attached to it in order to simplify the procedure and preserve the thermal bond between the system board and
heat sink.
About this task
The following image indicates the connectors on your system board.
Figure 41. System board overview
1. I/O board cable (IO)
2. Wireless card slot (WLAN)
3. Display cable (eDP)
4. Power-adapter port cable (DCIN)
5. Memory slots x2 (DIMM A DDR5 ONLY + DIMM B DDR5 ONLY)
6. Keyboard cable (KB)
7. Keyboard-backlight cable (BL)
8. Battery cable (BATT)
9. Touchpad cable (TP)
10. Fan cable (FAN)
11. Speaker cable (SPK)
12. M.2 solid-state drive slot (SSD)
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Removing and installing Field Replaceable Units (FRUs)
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