Question Laptop not booting after thermal re-pasting of CPU and GPU.

raz3rkun

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Jul 23, 2011
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I have an Acer Predator Helios 300 (PH315-51-50ST) since start of 2019. There have been thermal issues/throttling since the beginning, especially when playing games. Undervolting had initially helped to keep the temps somewhat manageable (70-80C) under load. However recently it has been averaging 60-70C when idle. Hence decided to re-apply the thermal paste using the Thermal Grizzly. After the application however the laptop is not booting, the power light shows up for 2-3secs then goes away. Whereas the charging light is still working when plugged to the adaptor. Any idea on how to get it booting again?
 
Jan 30, 2021
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First check that the heatsink firmly touches on the cpu and gpu. Perhaps you screwed it a bit loose. Then see if anything was misplaced such as the RAM.
 

raz3rkun

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Jul 23, 2011
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OK I got it to boot finally! I think there was an issue with cleaning of the fans and possibly tightening the heatsink a bit too much. The temps are pretty decent now at idle (40-50C), I live in a pretty humid area.
However now whenever I try and play games the laptop just freezes and the audio spazzes out as soon as it loads. Any idea what could be causing this?
 

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