Lenovo ThinkPad X30 2672 Hardware Maintenance Manual page 147

Removing and replacing a FRU
Make sure that the system lock key A is set to the
Unlock position. Release the front latches in step 4 , and
then remove the top cover 5 . Then detach the connector
cable 6 as in the figure.
5
A
4
6
143
ThinkPad X30, X31, X32