Lenovo ThinkPad E555 - Manual (Page 87)

• Ensure that the connector is attached firmly.
• Do not press the top of the fan cover and the fan hub.
• Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams,
on the part marked a as shown in the following illustrations. Either too much or too less 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
b .
For models with a discrete thermal pipes
a
b
For models with an integrated thermal pipes
b
1140 dc-in/USB-connector board with cable
For access, remove these FRUs in order:
•
“1020 Battery pack” on page 66
• “1030 Large bottom cover” on page 67
• “1050 Optical drive or optical-drive bay bezel” on page 69
• “1070 Hard disk drive assembly or solid-state drive assembly” on page 70
• “1110 Keyboard” on page 73
• “1120 Keyboard bezel assembly” on page 75
Chapter 9 . Removing or replacing a FRU 81