Lenovo ThinkPad X220 4287 Hardware Maintenance Manual page 93

Lenovo thinkpad x220 4287: reference guide
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Table 21. Removal steps of system board, DC-in connector, fan, and ExpressCard slot assembly (continued)
Turn the system board over, and then remove the ExpressCard slot assembly from the system board.
Turn the system board over, and then disconnect the DC-in connector and the fan connector from the system board.
Note: The DC-in connector and the fan assembly are attached to the underside of the system board.
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Chapter 8
Removing and replacing a FRU

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