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PC keeps randomly rebooting please HELP!

post #1 of 8
Thread Starter 
Ok, hi there im not sure if im in the right section but if im not please forgive me. Last Wednesday I the got all the parts of my gaming computer that I ordered. I had almost no trouble putting the parts together. Everything worked almost beautifully until Thursday night. The speeds were as fast as it should be the graphic card performs. The idles at 30 to 40C but on Thursday the computer started randomly rebooting. It happened twice that night once when trying to launch borderlands, it was trying to read the game off the Blue-Ray and it just restarted. The seconds time it happened 30 minutes later when none was touching the PC during for what looked like it was about to go into sleep mode. Friday morning it rebooted while I just looking into random folders of my HDD. So i though it was a driver issue or a bad Windows 7 installation so i completely wiped both HDD and re installed windows and this time got the latest up to date drivers for all the parts. It was working fine for about 4 to 6 hours until the middle of the day were it rebooted again, this time when it rebooted into windows there was a side notice saying saying that my wireless adapter for the internet the driver stopped working. So i though maybe that was the problem and reinstalled the driver for it and i set Automatic restarts on system error to OFF so i can narrow down the problem. It didn't reboot the rest of the day, that whole night ( I left it on while sleeping) the next day i played BC2 on it for like 3 hours it was fine and tonight at 7 it rebooted!! No blue screen no nothing system log just says immediate loss of power or unresponding system or wtv. None of the cables are loose and though it might be the power strip (surge light turned off when computer rebooted) but its not (rebooted again 30 minutes later after plugging the power straight into wall).


I forgot to say the last two times it rebooted I was playing crysis i don't know if its a fluke or has something to do with the amount of power the PSU pulls out or even the GPU

I don't know what to do anymore im running memory test right now but i doubt its the ram since it didn't blue screen even after turning off automatic restarts.

here are the specs for my PC

Cooler Master HYPER 212 PLUS

i5-2500K CPU INTEL i5 2500K (not overclocked yet)

ASrock P67 Extreme 4

KHX1600C9D3P1K2/8G (8GB 1600MHz DDR3 Non-ECC CL9 DIMM

SAPHIRE HD6950 2G DDR5 DIRT3 EDITION

CD, DVD LG-BH12LS35 $LG 12X BLU-RAY WRITER SATA LS RETAIL

Hard Drives Western Digital WD1002FAEX SATA WD 1TB (7200rpm) 64MB, 6Gb/s

Cooler Master RC-932-KKN5 CM HAF 932 ADVANCED

Corsair 750TX 750W

Kingston SSDnow 64G SSD
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INTEL i5 2500K ASrock P67 Extreme 4 Sapphire HD 6950 2G Dirt 3 Edition 2x4G Kingston HyperX 
Hard DriveOptical DriveOSMonitor
Kingston SSDnow 64G SSD LG Blue-Ray Writer 12x Windows 7 Samsung Syncmaster 24'' 
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INTEL i5 2500K ASrock P67 Extreme 4 Sapphire HD 6950 2G Dirt 3 Edition 2x4G Kingston HyperX 
Hard DriveOptical DriveOSMonitor
Kingston SSDnow 64G SSD LG Blue-Ray Writer 12x Windows 7 Samsung Syncmaster 24'' 
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post #2 of 8
With a "Loss of Power" event, it sounds like your PSU is heading for that great big parts bin in the sky. I'd back probe it and verify the voltages it kicks out. Here's a picture to demonstrate "back probing". BTW this picture is safe for work because "back probing" isn't what you think it is!

http://i287.photobucket.com/albums/l...diper/5V-T.jpg

Also, when you get a chance, could you please click on "User CP" at the top of the page, and then on the left click on "Add System" and fill out your computer's specs? That will help us help you out.

Welcome to OCN!
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Big Baby
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Hard DriveOptical DriveOSMonitor
Kingston 64GB SSD, 1TB Hitachi and 3 160GB drives ASUS dual layer SATA II DVD burner Windows 7 Pro 64 Bit and a few virtual machines ;) Hanns.G Hi221D 22" LCD Widescreen 
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standard junker nothin' fancy. Yet... HIPER 730 W Rosewill Conqueror Logitech Trackball (TrackMan is the model I think) 
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post #3 of 8
Thread Starter 
OK, I added the system. I don't have a voltage meter for the back probing though. But besides a bad PSU where can the problem lie? Can it still be a software/ driver issue or has that been weeded out? gahhh im so confused
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INTEL i5 2500K ASrock P67 Extreme 4 Sapphire HD 6950 2G Dirt 3 Edition 2x4G Kingston HyperX 
Hard DriveOptical DriveOSMonitor
Kingston SSDnow 64G SSD LG Blue-Ray Writer 12x Windows 7 Samsung Syncmaster 24'' 
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INTEL i5 2500K ASrock P67 Extreme 4 Sapphire HD 6950 2G Dirt 3 Edition 2x4G Kingston HyperX 
Hard DriveOptical DriveOSMonitor
Kingston SSDnow 64G SSD LG Blue-Ray Writer 12x Windows 7 Samsung Syncmaster 24'' 
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post #4 of 8
While I have never witnessed a software (driver/program) issue cause a "Loss of Power" event, that doesn't mean it couldn't be the cause. But even without back probing the PSU, I'm fairly certain that the PSU is getting ready to die. How old is the PSU? I'd contact Corsair and see what they say about an RMA.
Big Baby
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core 2 Duo E8400 Wolfdale 3.0 Ghz Asrock P45R2000 WiFi MSI 9800 GTX+ 512Mb OC'd 810/1944/1278 6GB Patriot Viper DDR3 1333 (2x1GB and 2x2GB) 
Hard DriveOptical DriveOSMonitor
Kingston 64GB SSD, 1TB Hitachi and 3 160GB drives ASUS dual layer SATA II DVD burner Windows 7 Pro 64 Bit and a few virtual machines ;) Hanns.G Hi221D 22" LCD Widescreen 
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Big Baby
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Hard DriveOptical DriveOSMonitor
Kingston 64GB SSD, 1TB Hitachi and 3 160GB drives ASUS dual layer SATA II DVD burner Windows 7 Pro 64 Bit and a few virtual machines ;) Hanns.G Hi221D 22" LCD Widescreen 
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standard junker nothin' fancy. Yet... HIPER 730 W Rosewill Conqueror Logitech Trackball (TrackMan is the model I think) 
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The Desk! 
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post #5 of 8
Thread Starter 
Everything is brand new. I ran memtest for 2 passes the RAM seems to be fine. I pretty sure now its a hardware issue. Im not sure if its the HDD, motherboard, PSU or the graphics card even and don`t have extra parts to test. Is there testing software that can find problems that could cause the computer to randomly reboot?
Gaming PC
(13 items)
 
  
CPUMotherboardGraphicsRAM
INTEL i5 2500K ASrock P67 Extreme 4 Sapphire HD 6950 2G Dirt 3 Edition 2x4G Kingston HyperX 
Hard DriveOptical DriveOSMonitor
Kingston SSDnow 64G SSD LG Blue-Ray Writer 12x Windows 7 Samsung Syncmaster 24'' 
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Logitech G15 Corsair 750TW 750W Cooler Master HAF 932 Advance Microsoft Sidewinder 
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Gaming PC
(13 items)
 
  
CPUMotherboardGraphicsRAM
INTEL i5 2500K ASrock P67 Extreme 4 Sapphire HD 6950 2G Dirt 3 Edition 2x4G Kingston HyperX 
Hard DriveOptical DriveOSMonitor
Kingston SSDnow 64G SSD LG Blue-Ray Writer 12x Windows 7 Samsung Syncmaster 24'' 
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post #6 of 8
Quote:
Originally Posted by Razinhail View Post
I'm fairly certain that the PSU is getting ready to die. I'd contact Corsair and see what they say about an RMA.
New parts do die sometimes. Sad but true. As for software to test your hardware, you won't find any software that will test your PSU. Even if you do, I wouldn't trust it. For whatever reason, software just can't get an accurate voltage reading often enough to be reliable.

I would seriously send an email to Corsair and tell them your problems, and that you think it is PSU related and see what they say. Since it's new, they should RMA it no problem. From what I hear, Corsair has good customer service.

A dying PSU can cause all kinds of trouble in a system, in addition to damaging and/or killing other parts, so hopefully your PSU didn't damage anything.

TBH, it sounds like the PSU gets hot, can't pump out enough juice any more, and the sudden loss of voltage causes the computer to freak, which means the rest of your components should still be fine.

If you want to rule out HDD, then open a command prompt and type "sfc /scannow" (without quotes) and let that run until it finishes. It will tell you if it found any errors. After that, type "chkdsk" (again, without quotes) and let that finish. If it finds any "Bad Sectors" then you should format and re-install, but I doubt this is the problem.

If your PSU was healthy, you could use a program like Furmark to test the GPU, but I don't think that is your problem.

As far as ruling out your motherboard, if the system boots up and runs fine (even if it's only for a short time) then I wouldn't say it's MoBo or CPU problems. Those usually prevent the computer from booting up.

Which brings us back to the PSU. If you really don't want to contact Corsair, you can go to your local hardware store and pick up a multi meter for around $10. Then you can back probe it and see the voltages for yourself, and compare them to the sticker on the side of the PSU.

You could also remove the motherboard from the case, and make sure that nothing is making contact with it, causing it to short out.
Big Baby
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core 2 Duo E8400 Wolfdale 3.0 Ghz Asrock P45R2000 WiFi MSI 9800 GTX+ 512Mb OC'd 810/1944/1278 6GB Patriot Viper DDR3 1333 (2x1GB and 2x2GB) 
Hard DriveOptical DriveOSMonitor
Kingston 64GB SSD, 1TB Hitachi and 3 160GB drives ASUS dual layer SATA II DVD burner Windows 7 Pro 64 Bit and a few virtual machines ;) Hanns.G Hi221D 22" LCD Widescreen 
KeyboardPowerCaseMouse
standard junker nothin' fancy. Yet... HIPER 730 W Rosewill Conqueror Logitech Trackball (TrackMan is the model I think) 
Mouse Pad
The Desk! 
  hide details  
Reply
Big Baby
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core 2 Duo E8400 Wolfdale 3.0 Ghz Asrock P45R2000 WiFi MSI 9800 GTX+ 512Mb OC'd 810/1944/1278 6GB Patriot Viper DDR3 1333 (2x1GB and 2x2GB) 
Hard DriveOptical DriveOSMonitor
Kingston 64GB SSD, 1TB Hitachi and 3 160GB drives ASUS dual layer SATA II DVD burner Windows 7 Pro 64 Bit and a few virtual machines ;) Hanns.G Hi221D 22" LCD Widescreen 
KeyboardPowerCaseMouse
standard junker nothin' fancy. Yet... HIPER 730 W Rosewill Conqueror Logitech Trackball (TrackMan is the model I think) 
Mouse Pad
The Desk! 
  hide details  
Reply
post #7 of 8
First thing I'd do is check the event log in Windows (right click "Computer", Manage) see if anything is listed. Usually something jumps out at you as an obvious error.

You can also try Memtest86 to rule out memory, a scan disk of the drive to check for bad sectors, disable sleep/hibernate function and see if it still happens...

If you can go without using it for a day or so leave it safe mode for as long as possible to see if it just randomly reboots.

If it reboots so consistently while in a game I would agree it's either the PSU or a temp issue.
 
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Intel Ivy Bridge Core i7-3630QM nVidia GeForce GTX 680M 16GB DDR3 1600MHz Dual Channel Memory (2 SODIMMS) Hard Drive: Serial-ATA II 3GB/s 
Hard DriveOSMonitorPower
Hard Drive: Serial-ATA II 3GB/s Windows 7 Ultimate x64 17.3" FHD 16:9 (1920x1080) Battery: Smart Li-ion Battery (8-Cell) 
Audio
Sound Blaster Compatible 3D Audio 
CPUMotherboardGraphicsRAM
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Western Digital hard drive wd1001fals-00e8b0 Maxtor 300GB I don't need no stinking optical drive Microsoft Windows 7 Ultimate x64 
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HP ZR24w 24'' Samsung SyncMaster 24" logitech wireless k360 Seventeam ST-850ZAF 850W ATX 
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post #8 of 8
Thread Starter 
Wow, guys its been 3 days since it stopped rebooting and i don't even know why it stopped. The last thing i did was i unplugged the HDD incase it was causing problems and it randomly rebooted while unplugged so thinking it wasn't the cause i replugged it and it hasn't rebooted since. weirdest thing.

lol and i was about the replaced the PSU
Edited by Dan094 - 7/6/11 at 2:23pm
Gaming PC
(13 items)
 
  
CPUMotherboardGraphicsRAM
INTEL i5 2500K ASrock P67 Extreme 4 Sapphire HD 6950 2G Dirt 3 Edition 2x4G Kingston HyperX 
Hard DriveOptical DriveOSMonitor
Kingston SSDnow 64G SSD LG Blue-Ray Writer 12x Windows 7 Samsung Syncmaster 24'' 
KeyboardPowerCaseMouse
Logitech G15 Corsair 750TW 750W Cooler Master HAF 932 Advance Microsoft Sidewinder 
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Gaming PC
(13 items)
 
  
CPUMotherboardGraphicsRAM
INTEL i5 2500K ASrock P67 Extreme 4 Sapphire HD 6950 2G Dirt 3 Edition 2x4G Kingston HyperX 
Hard DriveOptical DriveOSMonitor
Kingston SSDnow 64G SSD LG Blue-Ray Writer 12x Windows 7 Samsung Syncmaster 24'' 
KeyboardPowerCaseMouse
Logitech G15 Corsair 750TW 750W Cooler Master HAF 932 Advance Microsoft Sidewinder 
  hide details  
Reply
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