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Desktop Has Major Issues: Help!

post #1 of 12
9/5/12 at 4:11pm
Thread Starter 
My computer has major cooling issues. When I got it from the OEM, the only fan installed was the CPU fan, which happens to be low quality. I have since installed a rear fan, a front fan, and a PCI fan for my graphics card. This fixed my issues for a while, but the CPU has started to get really hot. Hot enough for the system to shut off. Its average temperature is around 50c, although when working it rises to around 60c, and then shuts off soon after. At this point I've had to stop using the computer. What would you recommend as a replacement CPU cooling fan. I'll also take suggestions for anything else I may need to replace. The basic specs of the machine are:

OS: Windows 7 Ultimate 64 bit
RAM: 8gb
CPU: Intel Core 2 Quad
Graphics Card: nVidia Geforce GT 430
CD Drives: Two
Hard drives: Four Total, Two Inside, Two In A Bay On the Front

I've also attached a picture of the insides of the machine:

20120904200345.th.jpg
Edited by biohazrd35 - 9/5/12 at 6:00pm
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post #2 of 12
9/5/12 at 4:22pm
I shouldn't think that 60 degrees would cause the PC to shut down due to heat.
My money would probably be on the power supply straining under load.

Out of curiosity, how are you monitoring the cpu temp?
And, is there a particular activity you are doing when the PC shuts down, or is it a case of whatever you do when you hit 60c it shuts down?
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post #3 of 12
9/5/12 at 4:25pm
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First off your Rear and Front fan are Backwards. the Front fan Pulls in Outside air and your Rear pushes the CPU heat out the back.

After you fix that, it should be a little cooler. You need to get a Better CPU Cooler.

On a side note, 60C isn't that bad...is this CPU Overclocked? If not, then yeah it's a little high, but shouldn't shut off the PC.
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post #4 of 12
9/5/12 at 4:47pm
Thread Starter 
I've tried using several different temp monitors, but I usually just use SpeedFan to monitor the temp. Also, really? lol I must have got the directions messed up, because I thought I already had them going in the correct directions.

I haven't overclocked, all the settings are at stock.

It shuts down randomly. I've had it shut down while I'm gaming, and I've also had it shut down while its idling. I haven't been able to find anything related to what I'm doing that would cause it to just shut off.

I don't think its the power supply, since the shut downs happen whether or not I have all the components plugged in. I've tried disconnecting 3 out of 4 hard drives and both DVD drives, but it doesn't seem to make a difference.

Also, could you give me an idea of what kind of CPU cooler I should get? I've never shopped for them before and don't really know what I'm looking for.
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post #5 of 12
9/5/12 at 4:54pm
Does not sound like it is an overheating issue. It sounds more like a hardware problem. I had random shut offs in the past, but have had narrowed it down to faulty hardware. Try running some memory testing and CPU load tests. My bet is faulty memory.
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post #6 of 12
9/5/12 at 5:00pm
Thread Starter 
Thanks for the suggestion! I have to admit I assumed is was an overheating issue because of the major issues it had in the past, it didn't even cross my mind that it might be failed hardware. How do you do that kind of test? I remember I can use a linux live cd to test RAM, but if I am remembering correctly, then I need a stress testing program to test the cpu

Edit: Well, I attempted to run a memtest on the computer, but at about 4% pass the computer shut down. I then turned it on again and booted into the memtest, and after about 30 seconds it lost power again. Not sure what that points to, but I don't think I'll be able to keep the computer on long enough to run any tests.

Edit 2: I attempted to run the memtest a third time and the computer shut off at 2%. I booted it back up straight into the BIOS and the temp was only 38c, which shouldn't be enough to shut it down as far as I know. It shouldn't be the power supply, because I also removed two of the hard drives to see if power was the issue.

Edit 3: At this point I'm not sure that this thread fits into the sub-forum that I started it in, is there a way to get it moved to a more relevant sub-forum?
Edited by biohazrd35 - 9/5/12 at 6:01pm
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post #7 of 12
9/5/12 at 7:06pm
If you have two mem sticks, remove one and try the mem test. If it fails again, replace that one and remove the other. Run test again. If it fails on both... well there are other options.

At this point I highly doubt that it is a temperature issue.
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post #8 of 12
9/5/12 at 10:54pm
Give what ShortAlieN has suggested a go. Looking more like a hardware fault as opposed to anything else.
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post #9 of 12
9/6/12 at 3:50am
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Well here is what you requested. http://www.newegg.com/Product/Product.aspx?Item=N82E16835999010 It's not top of the line, but its better then stock. Should keep the CPU Stock under 50C.

Now, take ALL 4 RAM sticks out. Put one in the Closest DIMM to the CPU, run Memtest, Pass? Good, now Put it in the next DIMM slot over, run Memtest, Pass? Put it in the next one and so on and the same for the 4th DIMM slot. If the RAM stick won't work in a DIMM slot, but does on others, you got a Bad DIMM.

If it passes in all 4, rules out DIMM failure. Now take that one RAM stick out and put in one of the others, now only test in one slot, it's faster. If it passes, grab the 3rd RAM stick and test it, Pass? Grab the last RAM stick and test. Pass? If any RAM fails, set it aside.

If they all pass, put 2 Sticks in their Channel slots. ( It's 1-3 and 2-4 on the DIMM's) test 2 Sticks, Pass? Add the other 2 to make 4 Sticks and 8GB total. If 2 sticks Failed, then bump your NorthBridge up a Notch or 2. If the 4 sticks fail, you also need to Bump up the NB Volts.

Bottom line, if All the RAM tests OK one by one, it's NOT the RAM at fault smile.gif
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Optimus Prime
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Old Faithful Back-Up Rig
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post #10 of 12
9/6/12 at 3:22pm
Thread Starter 
I have to admit, I'm at a loss. I've tried testing each of them, it shut off when I was testing one, thought that was the failed stick. However, it still shuts off. I'm not sure if more than one failed or what, but it still has its issues. frown.gif I may just have to leave it be until I can either afford to replace it, or take it to a shop. Which is something I'd really rather not do, since my only other computer (an old low end Compaq laptop from 2007) would die if I tried to play anything more than solitaire on it.
Edited by biohazrd35 - 9/6/12 at 3:28pm
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