Remove The Heat Sink - Lenovo E41-55 Hardware Maintenance Manual

Figure 8. Remove 1 screw and remove the M.2 2242 solid-state drive
Screw specifications
M2.0 x 2
Step 2. Pull the M.2 solid-state drive with bracket away from the slot.
Step 3. Remove the screw that secures the M.2 2242 solid-state drive to the solid-state drive bracket.
Step 4. Remove the M.2 2242 solid-state drive.

Remove the heat sink

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 33
Step 1. Remove 3 screws.
Figure 9. Remove 3 screws
Screw specifications
M2.0 x 3
Number of screws
1
Number of screws
3
.
Chapter 6 Removing a FRU or CRU
37