Remove The System Board - Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual

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Remove the system board

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 28
"Remove the DC-in bracket" on page 29
"Remove the memory shielding" on page 29
"Remove the memory modules" on page 30
"Remove the SSD" on page 31
"Remove the Wi-Fi card" on page 33
"Remove the heat sink" on page 36
"Remove the fans" on page 37
Step 1. Disconnect the camera board cable, USB board cable, left speaker cable, coin-cell battery cable,
Hall sensor board cable, keyboard backlight cable, touchpad cable, keyboard backlight cable, right
speaker cable, audio board cable, tweeters cable and EDP cable from the system board.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.
Figure 24. Disconnect cables
Step 2. Remove one screw. Then, remove the system board hook.
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Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual