Low Performance; Motherboard at 70-80°C, CPU at 50

Mantrum · Sep 26, 2013

Title. Anyone know how this could possibly happen? I'm thinking the sensor info must be off.

The machine in question is an old HP xw4400 (Core 2 Duo 2x2.4GHz, 4GB of RAM) with a GeForce GTS 250. It should (and previously has) run League of Legends effortlessly, but I get 30fps with severe staggering even on the lowest possible graphics settings. Even in regular desktop use there are staggers. This is what originally made me check if it's overheating.

siddharthmukul007 · Sep 26, 2013

you cpu temp 50 degree is ok. check temps of your gpu.

it is very likely that your gpu is overheating

Mantrum · Sep 26, 2013

siddharthmukul007 :

GPU is at around 60°C on idle. Going to do a stress test now. Is it really possible for the GPU to radiate enough heat to produce those high motherboard temps?

siddharthmukul007 · Sep 26, 2013

no.....not possible for the gpu.

but if the components inside the case get too hot and there is not enough air flow,mother board temps tend to rise a bit

Mantrum · Sep 26, 2013

Finished stress test, GPU goes up to 82°C under load with the gpu fan at 81%. Motherboard peak temp for that stress test was 81°C. CPU 67°C.

siddharthmukul007 · Sep 26, 2013

your motherboard is heating up like hell.

first off.....set a custom fan curve for your gpu. your gpu fan should spin at 100% under full load and at that temp.

secondly....thoroughly clean your pc and cabinet fans for any dust so as to improve air flow.

also check to see if you have the latest drivers for your card in the nvidia website.

keeping your pc cool should help you get the performance you want.

Mantrum · Sep 27, 2013

Setting the fan to a flat 100%, I get a max temp of 57°C on the GPU while playing League of Legends, 40-something on idle.Motherboard temp still goes up to the high 70s. Staggering in game is reduced somewhat, frame rate is slightly increased (by about 5). Occasional staggering in Windows and general lagginess still happens.

Interestingly, the performance difference between minimum and high graphics settings in lol is only about 5-10fps.

It seems like maximing out the fan masked the issue somewhat, but there's a deeper problem.

siddharthmukul007 · Sep 27, 2013

yes that is what it seems......mother board heating may be cause by a faulty psu or because the life of your mother board is coming to an end.

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Low Performance; Motherboard at 70-80°C, CPU at 50

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