|If the hardware hasn't already failed, in my opinion this idea seems like a good way to help it on it's way. This goes against his statement that "you've nothing to lose".|
Reseating the CPU with paste and general cleaning would be worth a go. If that doesn't fix it and the alternative is to throw away the computer, that's the time to consider risky methods.
My guess is that this fix relies on temporarily improving heat sink contact.
Always pop back and let us know the outcome - thanks