stupid problem of over heating

Sahil Nandal · Jun 26, 2015

i have hp probook 6555b and it is still overheating after cleaning fan and replacing thermal paste. so what is problem i think it is a problem of high voltage and i try to change it from bios but there is not any option to do so please help me one thing more when i enter bios after 2-3 mins it shut down automatically again and again

IAmTheTofu · Jun 26, 2015

Reset your CMOS. There should be a jumper on your motherboard that you hop over to the next pin for 5 seconds and then back.

https://www.youtube.com/watch?v=Pdp_L5IxaNI

1LiquidPC · Jun 26, 2015

Is the fan spinning correctly, such as low/high RPMs? You didn't put to much or to little thermal compound? If these aren't the problem, it could be the Heatpipe Assembly for the CPU itself. I've seen/fixed this problem on a newer Samsung notebook. The fan was fine and adjusting speed, but even after cleaning and adding new compound, it would still idle around 80C on startup and creep up to low 90s after a few minutes and shut off. This was even w/ the bottom of notebook off and a deskfan blowing air into the base. Bought a heatpipe assembly off Ebay, installed same fan, and fixed the problem. Temps never went over 55C. The fluid in the heatpipes can dry out over time. If you let it get cooled down good, can you get into Windows for a few minutes to check temps, perhaps w/ AMD overdrive or CoreTemp software. It may be tricky, but if you don't get much time to work, maybe download the software onto a USB drive from another computer, so you can install quick on the HP.

Sahil Nandal · Jul 15, 2015

1LiquidPC :

Is the fan spinning correctly, such as low/high RPMs? You didn't put to much or to little thermal compound? If these aren't the problem, it could be the Heatpipe Assembly for the CPU itself. I've seen/fixed this problem on a newer Samsung notebook. The fan was fine and adjusting speed, but even after cleaning and adding new compound, it would still idle around 80C on startup and creep up to low 90s after a few minutes and shut off. This was even w/ the bottom of notebook off and a deskfan blowing air into the base. Bought a heatpipe assembly off Ebay, installed same fan, and fixed the problem. Temps never went over 55C. The fluid in the heatpipes can dry out over time. If you let it get cooled down good, can you get into Windows for a few minutes to check temps, perhaps w/ AMD overdrive or CoreTemp software. It may be tricky, but if you don't get much time to work, maybe download the software onto a USB drive from another computer, so you can install quick on the HP.

Sahil Nandal · Jul 15, 2015

yes the fan is spinning correctly and i am able to enter the windows and it wont shut off but when i restart it it quickly shuts off again and again

Sahil Nandal · Jul 15, 2015

one more thing when i enter bios it shut down after 4-5 mins but running windows it wont turn off until i play games

Sahil Nandal · Jul 15, 2015

please help me i wanna play games

1LiquidPC · Jul 15, 2015

Sounds like an overheating problem when trying games, but doesn't really explain the BIOS. Since it only started after replacing the thermal compound/heatsink, I would investigate there further. Maybe try removing again, and checking to see if there was good contact between the heatsink and the CPU and GPU. Speaking of GPU, does you notebook have a discrete GPU? If so, did you apply compound to it as well before remounting heatsink? Afterwards, I would reapply a thin layer of fresh compound and make sure to tighten the screws evenly when reinstalling the heatsink fan assembly.

Sahil Nandal · Jul 25, 2015

yeh there is space b/w gpu chip and heat sink

Sahil Nandal · Jul 25, 2015

what o do with the space i have tightly screwed it

1LiquidPC · Jul 25, 2015

There is a gap between gpu and heatsink itself when tightened down? Any way to show a picture?

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