Lenovo ThinkPad X1 Hardware Maintenance Manual - Page 83

I/O board, When installing, Removal steps of I/O board

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When installing: • 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 in the following figure. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component. a • Make sure that the fan connector is attached firmly. 1130 I/O board For access, disable the battery pack first. Refer to "1000 Disabling the battery pack in the UEFI BIOS" on page 58 for detailed instructions. Then remove these FRUs in order: • "1010 Hard disk drive and solid state drive" on page 59 • "1020 Keyboard" on page 61 • "1090 Keyboard bezel assembly with fingerprint reader and audio sub card " on page 71 • "1120 Fan assembly" on page 75 Removal steps of I/O board 1 Chapter 8. Removing and replacing a FRU 77

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When installing:
•
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 in the following figure. Either too much or too less application of grease can
cause a thermal problem due to imperfect contact with a component.
a
•
Make sure that the fan connector is attached firmly.
1130 I/O board
For access, disable the battery pack first. Refer to “1000 Disabling the battery pack in the UEFI BIOS” on
page 58 for detailed instructions.
Then remove these FRUs in order:
•
“1010 Hard disk drive and solid state drive” on page 59
•
“1020 Keyboard” on page 61
•
“1090 Keyboard bezel assembly with fingerprint reader and audio sub card ” on page 71
•
“1120 Fan assembly” on page 75
Removal steps of I/O board
1
Chapter 8
.
Removing and replacing a FRU
77