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My 4 year old laptop shuts down automatically with an error message 'The System has prevented from Bios overheating' when try to restart the laptop.

It happens often and it was working for at least one hour. Nowadays it is not even alive for more than 10-30 secs from pressing the power button.

  • Make & Model : HP G62
  • Processor : Core i3
  • RAM : 3 GB
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  • 1
    mythbusters: "when in doubt, liquid nitrogen"
    – meowgoesthedog
    Commented Jun 22, 2015 at 12:02
  • 2
    have you cleaned the dust out of the device and confirmed all fans are working?
    – Ramhound
    Commented Jun 22, 2015 at 12:03
  • 2
    Your laptop is overheating - how is the fan on that laptop? Is it faulty and has it been replaced?
    – zain.ali
    Commented Jun 22, 2015 at 12:03
  • Seems my fan working fine. before getting shutdown itself, the fan runs very fast
    – Krishna Anandh
    Commented Jun 22, 2015 at 12:06
  • Have you tried walking into the laptop and looking at the fan? Check the heat sink - the thermal paste might also need replacing.
    – zain.ali
    Commented Jun 22, 2015 at 12:08

1 Answer 1

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There's no such thing as 'BIOS overheating' - what you're seeing is a badly worded message saying the BIOS has shut the system down to prevent CPU overheating.

From your symptoms the most likely problem is the contact between the CPU and the heatsink or a broken heatpipe. To confirm this, you'd expect to see cool or warm, but not hot air coming out of the exhaust vent even when the fan is running at full speed.

You'll need to replace the thermal paste between the processor and the heatsink, and if that doesn't solve it, the heatsink itself. Given you say you've cleaned the processor area I assume you've managed to take it apart, but if not, here's a starting point:

https://www.youtube.com/watch?v=HVpi4tJQL3w

Plenty more guides can be easily found:

https://www.google.co.uk/search?q=replace+thermal+paste+hp+g62

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