Lenovo ThinkPad X41 2525 Hardware Maintenance Manual page 97

Then remove the four screws as shown.
3
1
Step Screw (quantity)
3
M2 ×6 mm, nylon-coated (4)
(continued)
3
3
Removing and replacing a FRU
3
1a
ThinkPad X41
Torque
0.196 Nm
(2 kgfcm)
93