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Old 10-14-2021, 07:37 AM   #1
cook
Quiet observer
 
Join Date: May 2010
City & State: Central Florida
My Country: USA
I'm a: Hobbyist Tech
Posts: 88
Question Purpose of this covering on a Dell laptop system board?

The Dell laptop pictured in this post has an area of the board covered with a dull silver material. It is the large 'square' area on the lower right that sits right next to the two card slots. When I removed it from my board, it felt like it was thick paper that has glue on one side, and the other side has a silvery material on it that crumbles off very easily. As it crumbles off it leaves a silvery color on your skin. Underneath of this cover, there are many chips, and there are two big chips from SMSC, which I assume are for the card slots. Other parts of the board are covered with a sheet of thin clear plastic, though this is not shown in the picture. In summary, Dell is using two very different coverings at places on the board.

My questions are only about the silver covering shown in the picture. ..

Why did they put this on the board? (Heatsink? Physical protection of the board?)

Is it OK to use the board without this on it?

Thank you.
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File Type: jpg Dell-Board.jpg (49.8 KB, 25 views)
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