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Random Computer Shutdown


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#1 90awdturbo

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Posted 31 March 2011 - 04:12 PM

Hey guys,

I was playing Starcraft 2 the other day with my buddy when all of the sudden my PC shutoff, tried to reboot but failed, then it just sat there with no signal on the screen and the two lights on my 4850 video card lit up. So naturally i thought it was the video card. Tried to cut the power, no luck, unplugged the video card and plugged back in, still no luck. Gave up for the night and headed to bed. The next day after work i tried to boot it up for fun and it actually did. I played a couple games of SC2 without any issues, then started to mess around with prime 95 and was checking out the cpu temps. After finishing that i had it sitting at the desktop for a couple minutes when it shut itself off again. Mind you this rig has been running fine for the last 6 months and i haven't changed any of the settings on anything. So sure enough when i tried to reboot the puppy the two lights on the 4850 were on again and there was no signal on the monitor. Today when i got home from work i tried to boot it up again with no luck. Then i opened it up and unplugged the video card, tried to boot it up and it actually attempted to boot but said that i needed to plug the power into the video card, so i did, and then it booted up without a problem and said that i had a failed overclock?

We'll needless to say i ordered a 6950 video card, but am hesitant that it's going to fix the problem. What do you guys think?
"Your biggest critics are your best friends" -Benjamin Franklin

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#2 90awdturbo

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Posted 31 March 2011 - 06:32 PM

Think i figured it out... my card was at 100C when i was just sitting in the main menu of SC2.
"Your biggest critics are your best friends" -Benjamin Franklin

#3 Suicide King

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Posted 31 March 2011 - 09:17 PM

Did you check the fan on the video card? Make sure it is spinning and that dust isn't clogging it. That would be the first thing I'd recommend checking.

#4 killerx525

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Posted 01 April 2011 - 12:15 AM

Also did you overclock your graphics card?

>Michael 
System1: CPU- Intel Core i7-5820K @ 4.4GHz, CPU Cooler- Noctua NH-D14, RAM- G.Skill Ripjaws 16GB Kit(4Gx4) DDR3 2133MHz, SSD/HDD- Samsung 850 EVO 250GB/Western Digital Caviar Black 1TB/Seagate Barracuada 3TB, GPU- 2x EVGA GTX980 Superclocked @1360/MHz1900MHz, Motherboard- Asus X99 Deluxe, Case- Custom Mac G5, PSU- EVGA P2-1000W, Soundcard- Realtek High Definition Audio, OS- Windows 10 Pro 64-Bit
Games: APB: Reloaded, Hours played: 3100+  System2: Late 2011 Macbook Pro 15inch   OFw63FY.png


#5 90awdturbo

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Posted 01 April 2011 - 04:02 PM

King - Yeah the first thing i did was check the fan, i had it spinning at 70% from day 1 to keep it cool, but even at 100% it wasn't enough. I tried cleaning as much of the dust i could reach without taking it apart, however there wasn't much to begin with. I even went as far as strapping a dual 50mm hard drive cooler ontop of the card, still overheated on me and shutoff when I stress tested it.

Killer - My card was running at 625/993 at the time i started experiencing this. I believe that may be slighty overclocked, either way this card is very capable of that speed. I tried under-clocking the card in hopes it would cool down but no such luck. I even went as far as trying to find a way to mod down the voltage but also had no luck with the bios flashing.

All in all i believe the card is on it's way out which would make sense seeing as how it's over 2 years old and has been used heavily. Can't wait for my 6950 to arrive :)

I appreciate your guys input on this. Have a great weekend!
"Your biggest critics are your best friends" -Benjamin Franklin

#6 killerx525

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Posted 01 April 2011 - 04:13 PM

The 6950 won't disappoint you :thumbup2:

>Michael 
System1: CPU- Intel Core i7-5820K @ 4.4GHz, CPU Cooler- Noctua NH-D14, RAM- G.Skill Ripjaws 16GB Kit(4Gx4) DDR3 2133MHz, SSD/HDD- Samsung 850 EVO 250GB/Western Digital Caviar Black 1TB/Seagate Barracuada 3TB, GPU- 2x EVGA GTX980 Superclocked @1360/MHz1900MHz, Motherboard- Asus X99 Deluxe, Case- Custom Mac G5, PSU- EVGA P2-1000W, Soundcard- Realtek High Definition Audio, OS- Windows 10 Pro 64-Bit
Games: APB: Reloaded, Hours played: 3100+  System2: Late 2011 Macbook Pro 15inch   OFw63FY.png





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