CPU possibly overheating

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hgivens

hgivens

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Nov 29, 2012
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I'm new to PC building and I recently had an issue that corrupt some windows files when it froze during a windows update. Event Viewer had about 50 NTFS errors so I just decided to reformat. First i cleaned out my case, fans and heatsink of dust. Installed windows updated and ect. During this proccess my PC randomly shut off with no warning or error messages. Decided to downloaded speedfan to check temperatures my CPU runs at about 60 Celsius on idle and upwards of 100 at peak. Made sure that the heatsink was locked in tight which it was. Virtually no change in temps. Could my sensors be bad? They do fluctuate up and down, but as soon as I turn my PC on, it's already running at 60 Celsius. I tried shutting my PC down after I ran a short stress test and got the temperatures to 100 (literally only took 30 seconds). Touched the heat sink and it had no heat to it at all, felt like room temperature.

The fan is spinning and i made sure that the heat sink was pressed down tight. GPU is fine runs at about 45-50 at Idle 70 at peak times. HD runs at around 25, case has good air flow in general. Is the CPU the blame for the shut down or is it my HD that's failing?

Also if a HD fails, will you get an error message or will the PC just turn off?

Specs
CPU: intel i5 750 Stock cooler
GPU: nvidia 560 ti
Mobo: Biostar TH55b HD
PSU: 600w Rosewill RD600
Windows 7
 
Solution
13thmonkey
General rule of thumb,
if idle temps and load temps are very high = poor mounting and thermal contact
if idle temps are a little high and load is high = poor airflow/fan
if idle temps are ok and load temp is high = poor thermal paste

Seems to work most times as a fault tree.
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JackNaylorPE

JackNaylorPE

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Oct 30, 2004
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Corsair what ?

Have you run memtest 86+ (12 hours) ? Bad RAM can produce the symptoms you describe.

Download HWiNFO and use that to measure ya temps....make sure no other monitoring utilities running. If it confirms the high temps, something is wrong with the cooler mount.

 
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13thmonkey

13thmonkey

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Jan 10, 2006
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General rule of thumb,
if idle temps and load temps are very high = poor mounting and thermal contact
if idle temps are a little high and load is high = poor airflow/fan
if idle temps are ok and load temp is high = poor thermal paste

Seems to work most times as a fault tree.
 
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Solution
hgivens

hgivens

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Nov 29, 2012
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Sorry about that, it's actually a rosewill. http://www.newegg.com/Product/Product.aspx?Item=N82E16817182277
That's what I get for posting without checking, other specs are correct though

Also no, I haven't ran a memtest, would it be safe to do so for 12 hours if I'm having an over heating issue?

I tried HWiWiNFO, it's reading the same temps, 50ish on GPU, 25 on HD and 70 on the CPU at idle.

 
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hgivens

hgivens

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Nov 29, 2012
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Thanks for the tip will definitely remember that one, decided to go with a nicer one http://www.newegg.com/Product/Product.aspx?Item=N82E16835103099
2 day shipping hopefully will have my PC back up and running by Tuesday thanks for the speedy response
 
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hgivens

hgivens

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Nov 29, 2012
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Thanks for all the info, wish I could give both of you best answer. I'll definitely be careful and will do a memtest when convient.
 
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