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System Crashes

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February 19, 2011 1:15:19 PM

From yesterday my brother's PC isn't behaving well
His computer crashes in the welcome screen and sometimes while working. This happened for about 9 or 10 times

A similar problem occurred sometime ago in the same system and then every thing worked OK (I cleaned the system a little bit)

System Specs

Intel Pentium D 925 @ 3.0GHz
MSI G31TMP31 Motherboard
2GB DDR2 677MHz RAM (2x1GB)
GT 240 DDR3 VGA 1GB
500W PSU

I enabled Nvidia Stereoscopic 3D yesterday but the Stereoscopic 3D Driver was installed a long time ago when the VGA was installed. So can it be the issue ??
Can this be a Virus or a Hardware issue ??

Please Someone help !

More about : system crashes

February 19, 2011 1:53:23 PM

Download the latest nVidia drivers for your card. Uninstall your current drivers, reboot, then install the newer drivers. That will tell you if it is a driver issue related to the card or enabling 3D.

If you still have a problem, then download a free application like Speedfan, and check the temperature of his CPU and GPU. If the temps are 35-55 C depending on load, then you are not overheating. But if Speedfan temps for the video card or motherboard report something way too high, try another free temperature monitor before you panic.

But if your temps are cool, heat is not your problem. If your temps are high, then make sure you clean the fan on the CPU and video card, and even your power supply if it feels too warm.

If heat is not your problem, have you done any recent upgrades or installed any other drivers or software recently? If you have recently installed the RAM, it is possible it has errors and you should use something like memtest86+ to find out. If you haven't touched the hardware recently and it has been stable, then your memory is probably fine.

Some software or unstable drivers can cause your computer to act up. So make sure you install all the latest drivers and run a complete virus scan.

After checking all the above, if you still have this issue... report back to us. It is possible the PSU is becoming weak.

BTW, what is the exact model of the PSU? If it is not a good brand and you've had it for a while, it is possible it's going out on you. And which OS are you running?
February 19, 2011 3:02:33 PM

I'm Using Windows 7
Can the dust do anything about this problem ??
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February 20, 2011 12:05:27 AM

bump
February 20, 2011 3:01:07 AM

Dust can make the temperature too hot and force the computer to restart. You didn't answer my question yet. What are your CPU and GPU temperatures? Did you download Speedfan and check? I can't help you a lot until I know what are your temperatures.

And also I asked, did you recently install any new drivers or software? Or have you recently run a full virus scan? If the probably suddenly happens for no reason, it could also be a software or driver conflict.

But first, I need to know what is your CPU and GPU temperature.
February 20, 2011 11:32:29 AM

Is there any other way to know the CPU temperature ?? from the BIOS cuz now the system is crashing in the welcome screen..
I did manage to see the GPU temperature. (45 C - 52 C)
February 20, 2011 11:38:31 AM

You can see the CPU temp in the BIOS. I'm not sure about your exact BIOS, but usually it is on the power tab where you will find something that says hardware monitor or something similar.
February 20, 2011 11:40:16 AM

The GPU temp you showed is normal. But the CPU should be between 30-70. But over 50 when not under a load is way too hot. Open up the side of your case when you turn on the PC and make sure all the fans are working normally and not stuck or full of dust.
February 20, 2011 11:47:42 AM

Is there another way to see the CPU temp, like using BIOS ??
February 20, 2011 11:51:16 AM

As I said before, YES. Look in your BIOS for the Power Management section and look for something called H/W Monitor. Open the system monitor and it will tell you the CPU temp and fan speed.



I believe your MSI has AMI BIOS, so you need to find this screen in the BIOS.
February 20, 2011 11:17:14 PM

I finally managed to get the temp

this is when i turned it on the next day after cooling down

Best solution

February 21, 2011 2:08:14 AM
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Sometimes Speedfan doesn't tell you what Temp1 and 2 are, but I am assuming it is your CPU over heating. Try to find the H/W Monitor in the BIOS to confirm what Speedfan is showing you.

Now would also be a good time to take the side panel off the PC and check to make sure the CPU fan is running when the computer is powered on. If it's not moving or it's full of dust, now would be the time to start cleaning it out. Or if the fan isn't moving at all, now is the time to replace the stock cooler.

If that heatsink/fan is VERY dirty, I suggest you purchase some more thermal paste, so you can remove the heatsink and clean it. If you removed it, you should use some alcohol and a coffee filter (or anything that doesn't leave fibers behind) to clean the CPU surface and the surface of the heatsink that touches the CPU.

While the heatsink and fan is removed, use an old tooth brush, take it outside... and you can probably figure out how to clean the blades and fins.

Then re-apply thermal paste, remount, plug the fan connector back in and then boot up and check results.

But if your heatsink fan isn't clogged and you are getting such high temps, make sure one of the clips from the CPU heatsink didn't come disengaged. That would make the heatsink not sit flush and allow direct air between the CPU and heatsink. So that would cause a quick overheating issue also. Just make sure all the clips are secure and there aren't any gaps around the CPU.
February 21, 2011 6:58:55 AM

Ok. I can understand what you are telling but the problem is that why is it heating that much when you turn it on after letting it to cool for about 5 hours. I got this temp result after about 20 minutes counting from the starting of the computer
February 21, 2011 7:26:20 AM

Can a Processor or a GPU overclock by itself ??
February 21, 2011 8:09:12 AM

Not really but they underclock themself when not being fully utilized (like Intel Speedstep). And if the heatsink is too clogged, the fan isn't working properly, or one of the clips came off of the CPU cooler mounting... then your temps will build up on you.

Even if the fan is off, you can still use the CPU for a few minutes with no heavy load and it'll run. But after it gets over 70C it will become unstable. And over 100 is just plain dangerous and of course between 70-100+ it will crash.

Did you open the case and look closely to make sure the CPU fan is working properly and not full of dust?
February 21, 2011 2:45:25 PM

500W Deluxe PSU
February 21, 2011 11:17:37 PM

bump
February 22, 2011 7:30:19 AM

I monitored the Temp in BIOS and the CPU temp is rapidly increasing. It increased upto 89C and then i turned it off. Fan rpm was increasing too.
February 22, 2011 11:57:19 PM

bump
February 24, 2011 8:03:28 AM

Did you check for dust or not?
February 24, 2011 3:26:47 PM

1965ohio said:
Did you check for dust or not?


Yes I checked for dust but there wasn't much but cleaned it but no use
February 24, 2011 3:57:00 PM

If the CPU fan the stock Intel fan? Does it look like this? If so, make sure the 4 mounting clips are secure and one of them did not come loose from the heatsink. If one of them is loose or broken, the heatsink is not flush and it is not keeping the CPU cool.

March 2, 2011 5:05:43 AM

Replaced it with a new fan and its working good. :D 
March 2, 2011 5:08:19 AM

Best answer selected by chanuka.
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