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Help me troubleshoot my computer please.

post #1 of 5
Thread Starter 
Last week I thought my power supply had died because after a normal shutdown the computer started to power on and off non stop until I unplugged it.

Just before buying another PSU I decide to mess with it and unplug everything and plug my mobo/cpu to a 400w corsair psu I have and it would power on and off. Since I thought it was not the power supply I plug everything back including my "dead" psu and it worked...

I just feel like there is something wrong with my computer... Yesterday I played Plant vs Zombie (2d game) and there seemed to be a bottleneck of some sort. My computer would make a sound (grrggr) freezing for like a sec. It used to do that with my 2x5770 and I thought it was crossfire drivers unstability. I don't think it's my 5870 not being able to handle Plant vs Zombies

Is it the PSU dying or not supplying the power needed to my system or coudl it be my motherboard? I've changed ram sticks and no difference. I had 2x5770s and now the 5870 and still games just free/lag for a sec and that weird noise comes up.

I'll appreciate the help.
I had to make a new thread since last threaded ended up in me buying a PSU.
SC2 Phantom
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SC2 Phantom
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post #2 of 5
Very possible that it's your motherboard because it's doing it with 2 different power supplies.... but.... since you're first one ended up working again, it almost makes me think you have a short somewhere. Are you sure you have all the motherboard standoffs in the correct holes of the case. It sounds stupid, but it happens more than you think and grounds out on the back of the motherboard.

Try unplugging your case's power switch from the motherboard and turning the PC on by shorting the motherboard's power jumper. Just tap a flat-head screwdriver on the jump to fire the PC on. Maybe your case switch is malfunctioning.
Needs Updated
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Needs Updated
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post #3 of 5
Thread Starter 
Quote:
Originally Posted by KOBALT View Post
Very possible that it's your motherboard because it's doing it with 2 different power supplies.... but.... since you're first one ended up working again, it almost makes me think you have a short somewhere. Are you sure you have all the motherboard standoffs in the correct holes of the case. It sounds stupid, but it happens more than you think and grounds out on the back of the motherboard.

Try unplugging your case's power switch from the motherboard and turning the PC on by shorting the motherboard's power jumper. Just tap a flat-head screwdriver on the jump to fire the PC on. Maybe your case switch is malfunctioning.
I did put all the stands off... I did switch from my antec 1200 to NZXT phantom 2 days before I had the power issue.
SC2 Phantom
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SC2 Phantom
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Temp slow hdd None Win7 Pro 64bit Asus 24 VE248H  
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post #4 of 5
I had an issue kind of like this when my computer randomly shut off and eventually didn't turn on at all or show any signs of power. Turns out my ATX cable was loose from the motherboard and it kept shorting. I'd make sure that your ATX and CPU power cable are secured. Like kobalt said it could be your motherboard too. If you can try and test your power supplies with a different one.
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CYG X-1
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post #5 of 5
Thread Starter 
I tested the PSU with a psu tester (don't know how reaible those are) Looked like it was fine. I wonder if it was because I'm using NZXT power exensions for the 8pin and 24 pin cables and did not connect them all the way tru.

The power on and off happening within 1-2 secs and looping. But that seems fixed. But for weeks/months I've felt my computer doesnt perform like it should. I felt my brother was doing better with his 4850 at 1080p resuliton on games than me with 2x5770s and now with a 5870. During game play the game randomly freezes for like 1-2 secs and there is a weird (grrr) sound. I've run my computer stock for weeks so it's not unstable overclock. I was thinking mobo or psu not supplying enough power?

Yesterday I even had this lockups while playing Plant vs Zombie (come on!)
SC2 Phantom
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CPUMotherboardGraphicsRAM
Intel i5 2500k @ 4.5Ghz  Asus P8P67 Pro Saphire 7950 3GB 8GB G.SKILL Ripjaws X Series 
Hard DriveOptical DriveOSMonitor
Temp slow hdd None Win7 Pro 64bit Asus 24 VE248H  
KeyboardPowerCaseMouse
Alien XFX 850 Silver 80 Plus NZXT Phantom Black Razer Darthbender 
Mouse Pad
Thermaltake LED 
  hide details  
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SC2 Phantom
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k @ 4.5Ghz  Asus P8P67 Pro Saphire 7950 3GB 8GB G.SKILL Ripjaws X Series 
Hard DriveOptical DriveOSMonitor
Temp slow hdd None Win7 Pro 64bit Asus 24 VE248H  
KeyboardPowerCaseMouse
Alien XFX 850 Silver 80 Plus NZXT Phantom Black Razer Darthbender 
Mouse Pad
Thermaltake LED 
  hide details  
Reply
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