Lenovo T420 Tablet User Manual


 
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 gures. 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 lm off from the thermal rubber marked
b .
For Discrete Graphics models:
ba
For Integrated Graphics models:
Chapter 8. Removing and replacing a FRU 99