Why is my computer freezing!?!?!?

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deanomasters

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Jan 15, 2014
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Hi guys, hope you can help me out with this issue.

I am using a PC that I custom built in January. There is an issue I have had since it was built, in that the PC likes to freeze randomly. There is no pattern to why it freezes, so I can't pin it to a certain program, and I have done a clean install of Windows since this started and that hasn't remedied it. It happened about 10 minutes ago, which prompted this post, and i wasn't running it particularly hard, I had a live stream on one screen, and Firefox open on the other with League of Legends sat at a menu in the background. I watched the main part of the live stream and when i went to get a drink it froze during a break.

When it freezes I hit the reset button on my PC case and the computer reboots, and when I reopen Firefox it opens onto all the tabs I had open when it crashed.

If you need any other information or specs please let me know!

Thanks in advance!!
 
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reedo_43

reedo_43

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Feb 18, 2010
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Freezing could be caused by several things. 1 Overheating. What are your cpu temps? 2 Bad memory. Download memtest

http://www.memtest.org/ and test. 3 Bad hard drive. Check event viewer in admin tools and have a look at your system log for disk errors. Good luck!
 
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deanomasters

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Thanks for your reply!

1. CPU temps are between 35C and 50C from idle to playing a game.

2. Will run a memtest, now. Which version do I download?

3. Checked for disk errors and couldn't spot any, but I'm not sure if I'm looking in the right place on event viewer? UPDATE: Have found an error around the time of the crash, code 6008 and says it was an 'Unexpected Shutdown'?

Thanks!
 
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deanomasters

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Hi Reedo.

Some more info, I ran windows memory diagnostic this evening, both the normal and extended versions and both returned no issues. My PC mainly crashes at idle and I'm pretty sure that its not due to processor temp as it says on the Intel website it can reach 80C-100C before shutting down, and my processor rarely gets above 50, even on games. And as this has happened on both my HDD and SSD, with my OS first on a HDD then a clean install on a SSD, I'm not really sure what to check next!

Thanks!
 
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Suztera

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Mar 18, 2014
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It could be the power supply. I don't know what your pc specs but if you got a spare power supply that would work you could test it
 
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deanomasters

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Thanks for your reply! What could the PSU issue be? I'm using too much power (which I can't be) or it could just be faulty in general?
 
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deanomasters

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Hi Beezy!

My PSU is a Cooler Master G600W PSU. (RS-600-ACAA-B1)
I haven't taken apart and re built but if that might help then it will be easy for me to do!
This problem started when I first built the pc and had my OS on my 1TB hdd. Last month I installed a 120gb Kingston SSD with a fresh install of Win7 and the issue has followed!

Thanks!

 
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RCguitarist

RCguitarist

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Apr 2, 2013
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Are you using windows XP, 7 or 8?
I ask this because I have a dual boot of XP and 7 and when in XP, my pc will randomly hang from time to time for not reason (even with nothing open), but it never hangs up in 7. So if you are using XP, maybe jumping to 7 will fix everything.
 
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deanomasters

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I'm using Windows 7.

I've spent the last 6 hours streaming tv shows and playing league of legends with no hiccups. I've just closed all programs down, left on desktop and been for a shower, come back 10 minutes later and the PC has frozen! Screen shows fine but no movement, clock has stopped and red light on pc case!! Any ideas?
 
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Beezy

Beezy

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Have you done BIOS updates, chipset updates, and USB driver updates? Also look into the LAN driver...It could just as likely be a software issue than a hardware one, Cooler Master is a pretty good PSU manufacturer, since it isn't a Seasonic, XFX or Antec it makes people iffy but that unit is quality. Clearly it could be the cause, but not so obvious.
 
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deanomasters

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Hi Beezy, I've spent all of the evening updating BIOS and every driver I could, and its still freezing... Just froze, I rebooted and reloaded my game and the stream I was watching, then it crashed again! I am keeping an eye on temps and nothing is getting hot enough to cause any issues!!

 
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deanomasters

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I don't know if this is useful information, but I noticed this doesn't normally happen and it might help. I have a USB desk fan and a USB powered LED strip behind my monitor, these usually only run when the PC is on. Tonight after the PC froze (for the 4th time this evening!!!) I held the power button to shut the thing down, then went off for dinner to save me throwing it out the window. When I came back I noticed that the LEDs and fan had stayed on even though the PC was OFF. The PC was making no noise and I looked through the window and none of the internal fans were spinning. This must mean there was power going through the machine when there shouldn't have been... Does this help identify the PSU as the issue? Or does it have no relevance?

Update: Discovered this is a BIOS issue, so still no indication of the issue :(
 
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Beezy

Beezy

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OK so you are flashed to the latest BIOS. did you get the motherboard chipset too? Some motherboards let you charge through USB which could explain power going through. It could be PSU or Motherboard, whats the motherboard model? try taking the CMOS battery out, or use the reset jumper pins if its like that, and leave the CMOS battery out for 30 seconds, and this will reset the BIOS, and plug it back in and try.
 
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deanomasters

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The mobo model is a MSI B75A-G43 GAMING. I will try removing the battery on the mobo shortly and let you know how I get on. I suppose that the usb ports are staying powered, when they didn't before, due to an update in the latest bios?

The thing that bugs me is that I would understand the thing crashing/freezing in the middle of the game because it was under pressure, but I really can't understand why it is freezing at idle with all windows and things closed/off.
 
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deanomasters

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Have just completed the scan and it came Back 'WRP did not find any integrity violations".
 
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deanomasters

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No more ideas? To help, when my PC froze this evening (for the first time in a good few days) it restarted by itself, which isn't normal, and this came up in event viewer at the time of the crash. Any ideas?

Event filter with query "SELECT * FROM __InstanceModificationEvent WITHIN 60 WHERE TargetInstance ISA "Win32_Processor" AND TargetInstance.LoadPercentage > 99" could not be reactivated in namespace "//./root/CIMV2" because of error 0x80041003. Events cannot be delivered through this filter until the problem is corrected.
 
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deanomasters

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Okay Beezy, thanks for your help!

For anyone else that might see this post, in the event viewer after every freeze, I only get two events. Event 41 which says that the PC rebooted without cleanly shutting down and a 6008 which is unexpected shut down.
 
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Beezy

Beezy

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i know its a crapshoot, but sometimes something as simple as disconnecting and reconnecting the whole rig, maybe certain things in different slots (like RAM, USB ports, PCI slots etc). Could maybe provide temporary relief, or no fix at all. IF that does help temporarily and start up again maybe a couple days or a week later, id suspect a failing hardware component somewhere. Id try using a different HDD (maybe boot from a Linux LiveCD ) to rule out the hard drive or OS files.
 
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