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T43 P4-2.13 CPU core thin foil??

T4x series specific matters only
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T43 P4-2.13 CPU core thin foil??

#1 Post by Jefferson » Fri Nov 08, 2019 5:16 am

When I took apart my new-to-me T43 for thermal repasting, I noticed a piece of square-shaped thin foil that covered the CPU core.

I was in a hurry so I removed it and applied thermal paste, as i've done many times in the past. But now I wonder if I should've left it alone.

It's thicker than household aluminum foil but much thinner than copper shim and it peeled off like foil.

Does anyone know if it was factory-installed?

The way it was applied seemed like it was factory installed but i'm not sure.
With the original box and documentation : 600, 380XD, 385XD, X24, X30(10th Anniv), T42p, T43, R52, W700ds
Without : 385XD, 600X, 770X, W701, T420, T430, T520, X230
Not working & for parts : At least a dozen
Other laptops : Dell, Alienware, Lenovo

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Re: T43 P4-2.13 CPU core thin foil??

#2 Post by H-Atkinson » Mon Nov 11, 2019 4:59 pm

Neither of my T43p units had one of these.

If the thermals seem fine, then I would leave it out.
T43p, T61p, T601p, T601 (dead), T601, T60p (Prototype), X230, P53, T480 (In the process of rebuilding)

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