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Original post by: Jan Dannewitz ,

Text:

SOLVED!!!!!!!

The sensor is located on the back of the touchpad! I just removed the touchpad and ordered a new one (WITH the cable leading to the logicbaord).

If you remove this cable from the board, the left palm sensor immediately gets crazy (-128 °C). But when I connect it, the values are right again and fan is normal.

So the problem obvious was that the bottom case applied pressure on the cable (or the plug) from the touchpad cable. This resulted then in the failure.

Now the macbook temporarily runs without touchpad BUT it is quiet and "normal" again :)!

I assume that the cable with the touchpad connector and left palm sensor has a break or something.

Can't wait to hear if it works for you, too.

If you have any further questions etc. please write here :)

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open