1120 Keyboard - Lenovo ThinkPad Edge E431 Hardware Maintenance Manual

When installing:
• Do not press the top of the fan cover and the fan hub.
• Before you attach the thermal fan assembly to the computer, apply thermal grease, at an amount of
0.2 grams, on the part marked
application of grease can cause a thermal problem due to imperfect contact with a component. You need
to peel the thin film off from the rubbers marked
For models with a discrete thermal pipes
For models with an integrated thermal pipes

1120 Keyboard

For access, remove these FRUs in order:
• "1020 Battery pack" on page 63
a as shown in the following illustrations. Either too much or too less
b .
a
b
a
b
a
.
Chapter 9 Removing or replacing a FRU
75