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Laptop Shuts down

Simon Heat
By Simon Heat
in Troubleshooting
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I have an HP G62 and it used to overheat. It used to shut down unexpectedly. I opened it up and reapplied thermal paste on the cpu. The laptop was ok for a week or so. Now it shuts down randomly even when i am in the bios. Things i have done to eliminate potential problems:

Tried with power adapter on and battery on

Tried with power and no battery

Tried with Battery and no cable

Nothing changed... what could it be?

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Posted
1 hour ago, Simon Heat said:

I have an HP G62 and it used to overheat. It used to shut down unexpectedly. I opened it up and reapplied thermal paste on the cpu. The laptop was ok for a week or so. Now it shuts down randomly even when i am in the bios. Things i have done to eliminate potential problems:

Tried with power adapter on and battery on

Tried with power and no battery

Tried with Battery and no cable

Nothing changed... what could it be?

does your bios show temperatures? did you clean out the heatsink fans? how long does it stay on before shutting down?

also, please provide hardware specifications for your model of HP G62

Have you tried to perform a sudden temporary interrupt of the electricity flow to your computational device followed by a re-initialization procedure of the central processing unit and associated components?


Personal Rig Specs

Spoiler

CPU: Intel Core i7-7700K @ 4.8GHZ
Motherboard: Asus ROG STRIX Z270H GAMING
Graphics Card: Inno3D ICHILL GEFORCE GTX 1080 TI X3 ULTRA
RAM: Corsair Vengeance LPX Black DDR4 2x8GB @ 3GHZ
Storage: 2 x Samsung NVMe SSD 960 EVO 256GB in Raid | 2 x Seagate 4TB Expansion Desktop 

(seagates are originally external drives removed from casing and installed internally)
PSU: Seasonic Prime Titanium 850W 
Case: Mission SG GGX 3.5 (same as Rosewill Cullinan or Anidees AI Crystal with other stock fans)
Cooling: Kraken X62 for CPU, Corsair H55 with NZXT Kraken G12 for GPU 

 

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4 hours ago, Simon Heat said:

I have an HP G62 and it used to overheat. It used to shut down unexpectedly. I opened it up and reapplied thermal paste on the cpu. The laptop was ok for a week or so. Now it shuts down randomly even when i am in the bios. Things i have done to eliminate potential problems:

Tried with power adapter on and battery on

Tried with power and no battery

Tried with Battery and no cable

Nothing changed... what could it be?

It may be that the TIM application was not successful, I have seen that with MacBooks before; you have just put it back together to find out its still not working. I would say reapply the thermal paste but put a line of TIM along the die and then spread it out, you want a thin even layer over the CPU. Make sure that the heatsink is down tight to minimise air gaps. Make sure that the fan is actually spinning too, the fins of the heatsink aren't fluffed up; a fan error will cause it to shutdown. 

It may be that the laptop was damaged from the overheating, although its rare on new(er) laptops. Google/bing/askjeevs how to reset the CMOS on that laptop too, it might help.

Have you tried turning it off and on again?

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