Lenovo ThinkPad T420 Hardware Maintenance Manual - Page 109
For Integreted Graphics models, When installing
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For Integreted Graphics models: 2 3 When installing: • Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the parts marked a as in the following figures. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component. For the fan in the integrated graphics models, you need to peel the thin film off from the thermal rubber marked b . For Discrete Graphics models: For Integrated Graphics models: a b Chapter 8. Removing and replacing a FRU 103
For Integreted Graphics models
:
When installing:
•
Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on
the parts marked
a
as in the following figures. Either too much or too less application of grease can
cause a thermal problem due to imperfect contact with a component. For the fan in the integrated
graphics models, you need to peel the thin film off from the thermal rubber marked
b
.
For Discrete Graphics models:
b
a
For Integrated Graphics models:
Chapter 8
.
Removing and replacing a FRU
103