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Sudden overheating

blackadderV

blackadderV

blackadderV

Associate
Joined
26 Feb 2012
Posts
197
I have a samsung rf711 laptop about 2 1/2 years old which up until now has been able to play any game I throw at it without any problems.

However in the last week when I have been playing games the CPU temperature has rocketed up to 90-95 degrees and the i7s throttles back causing the game to stutter and become unplayable. The games it has happened with are hearthstone and PES 2015 so not that cpu intensive compared to other games in the past and they have been fine.

I recently updated to the latest graphics driver, I can't see how that could cause the cpu to increase but could that be the cause?

Idle temps are around 46 - 47 degrees but after about 5 minutes gaming will be 90+ on all cores.

CPU i7 q2670qm
GTX 540M

Any ideas on what could be the cause?
 
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Is the fan still spinning?

How is the dust?

Finally the thermal paste may have gone bad. I recently replaced the compound in my Samsung r590 and temps dropped by 20C
 
The fan is working. How fast it is going I cannot be sure as speedfan does not display any data. I don't think it can read this laptop. Is there anything else I can use to see if it is working properly?

I am not sure on the dust. There is only a small vent leading out of the laptop so I would have to open it up to see.

The games were set to the GTX540M but to make sure I have set the nividia card as the preset choice globally in the control panel but it is the same.

It is weird, the cpu in idling in the 40's or 50's but if I go to the menu screen of a game, where nothing is really happening it jumps straight up to 85 or thereabouts.
 
You should hear the fan ramp up to top speed when the temps get high. As long as you can hear it ramping up and getting noisy then I'd say its working fine.

Other then that, all you can do is open it up and clean the heat sink which is probably a bit clogged up with dust. You'd be amazed at how much can accumulate over a couple of years.
 
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