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Thread Starter 
I need your help guys, I have the service manual for the Acer Aspire 5000 series, and I took apart my laptop completly to change the thermal paste on the cpu and on the graphics card, but there's one problem.

I got the heatsink off the graphics card, and there's some strange gray film on the bottom of it:



Am I supposed to take that gray film off once I apply new Artic Silver 5 paste on the graphics card?

Here's a pic of the whole bottom part of the laptop: