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Uncles compy broke again!

post #1 of 43
Thread Starter 
I cannot emphasize how p'od I am because of my uncles compy. As some of you know, it started doing random reboots and shutdowns. Well, I took it down to my compy shop, baffled, that it wasnt a virus or PSU gone bad. I had them check the CPU and mobo. They had said it was the mobo. I sent it in for an RMA, and got it back. Plugged it up and it worked, for about the first two times it was on. Then, the symptoms started again. I came here for help, and you guys said it was the RAM. I sent those in for RMA, and just barely got them today. It fired up once, then the symptoms arised AGAIN!!!!!! GAH!!!! I am ready to take a 12 gauge to it! Anyways, what to do?

Specs:

PentD 930
G-Byte GA-8I945P-G
Generic 430W PSU (I tested this in my sys, and tried the compy with my PSU, IT'S FINE)
WD Caviar 250GB SATAII Drive
Corsair VS 2GB Kit DDR2-667
Asus Radeon X300 128mb PCI-e vid (could this be the culprit? I'm ready to take the oddest remedies right about now)

I think that's about it... Thanks for ANY suggestions.
    
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post #2 of 43
My first take would be the PSU. although it works in your rig, his demands more power (CPU!)

Did you try your PSU in his rig?
    
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E8400 @ 3.8 GHz DFI LANPARTY DK X38-T2R eVGA 8400GS 2GB Mushkin DDR2 800 (single stick) 
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Hard DriveOptical DriveOSMonitor
250GB WD SATA None Windows XP Pro 32-bit HP Pavilion f1703 
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post #3 of 43
Thread Starter 
I havent tried the other PSU's after I got the RAM. I will try it out tomorrow as I cant tonite. I will update then.
    
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Hard DriveOptical DriveOSMonitor
2.8TB Total LG Super DVD Burner SATA VII Enterprise x64 Gateway FHD2401 
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Q8400 DFI LP DK P45-T2RS eVGA GTX 650 Kingston 
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Corsair VX550W NZXT Source 210 White Logitech G400 Razer Kabuto 
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post #4 of 43
How random are the reboots? If totally random, I again suspect the PSU. It might not be bad, but maybe just not enough juice for that rig (18A on 12V rail I guess??)

If there is some pattern you might want to check temps....

Generally, a faulty video card should not result in random reboots. If that's the issue, the system tends to freeze instead of reboot.

If PSU and Temps are ok, run memtest86 and check if the RAM is ok.
    
CPUMotherboardGraphicsRAM
E8400 @ 3.8 GHz DFI LANPARTY DK X38-T2R eVGA 8400GS 2GB Mushkin DDR2 800 (single stick) 
Hard DriveOptical DriveOSMonitor
250GB WD SATA None Windows XP Pro 32-bit HP Pavilion f1703 
KeyboardPowerCaseMouse
N/A Corsair HX520 Coolermaster Cavalier N/A 
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N/A 
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CPUMotherboardGraphicsRAM
E8400 @ 3.8 GHz DFI LANPARTY DK X38-T2R eVGA 8400GS 2GB Mushkin DDR2 800 (single stick) 
Hard DriveOptical DriveOSMonitor
250GB WD SATA None Windows XP Pro 32-bit HP Pavilion f1703 
KeyboardPowerCaseMouse
N/A Corsair HX520 Coolermaster Cavalier N/A 
Mouse Pad
N/A 
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post #5 of 43
Thread Starter 
The reboots and shutdowns are more random than the most complex randomizer. I will, as I stated, check the PSU tomorrow. Right now, sleepy time.
    
CPUMotherboardGraphicsRAM
Q8400 DFI LP DK P45-T2RS eVGA GTX 650 Kingston 
Hard DriveOptical DriveOSMonitor
2.8TB Total LG Super DVD Burner SATA VII Enterprise x64 Gateway FHD2401 
PowerCaseMouseMouse Pad
Corsair VX550W NZXT Source 210 White Logitech G400 Razer Kabuto 
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Creative Audigy 
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CPUMotherboardGraphicsRAM
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2.8TB Total LG Super DVD Burner SATA VII Enterprise x64 Gateway FHD2401 
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post #6 of 43
Thread Starter 
Ok, switched out the PSU from the generic @Power 430W 20pin 17A on the 12V to a MSI 450W SLI-Ready 18A on 12V 24-pin ATX. Same thing. But I am going to take to another compy shop and have them run a full diag on this headache.
    
CPUMotherboardGraphicsRAM
Q8400 DFI LP DK P45-T2RS eVGA GTX 650 Kingston 
Hard DriveOptical DriveOSMonitor
2.8TB Total LG Super DVD Burner SATA VII Enterprise x64 Gateway FHD2401 
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Corsair VX550W NZXT Source 210 White Logitech G400 Razer Kabuto 
Audio
Creative Audigy 
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CPUMotherboardGraphicsRAM
Q8400 DFI LP DK P45-T2RS eVGA GTX 650 Kingston 
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2.8TB Total LG Super DVD Burner SATA VII Enterprise x64 Gateway FHD2401 
PowerCaseMouseMouse Pad
Corsair VX550W NZXT Source 210 White Logitech G400 Razer Kabuto 
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post #7 of 43
We have Dells at work that have what seems to be (at the moment) a(nother) Dell specific electrical fault that causes resetting or random shutting down.

Check the capacitors on the mobo have perfectly flat tops and sides (well they are cylinders but you get what i mean).. if they are swolen in any way then this is causing your problem.
My System
(13 items)
 
  
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C2D E6300 @3.1Ghz Gigabyte GA-965P-DS4 Saphire Radeon X1900GT 2x1GB G.Skill LA DDR2 
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Seagate 250GB 7200.10 Windows XP Pro Acer 19" Wide Microsoft 
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post #8 of 43
A sticking or defective case switch may cause that. Did you try disconnectiong it and start by jumping the 2 pins manually?
    
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post #9 of 43
Just recently I was given a laptop to trouble shoot since it had the same symptoms as yours is. The cause was the hard drive. Basically the head kept getting stuck. Cuasing it to reboot. Why I dunno. If anyone could explain that .. much apretiated.

Secondly I'd recomend booting into safe mode. Try doing something that would cause the comp to reboot. If it still reboots in safe mode. There is a possibility that its related to a corrupted file in windows (if thats what you are using).

Thats my two cents. Hope it helps.
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Cosmos
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post #10 of 43
Thread Starter 
I tried the mobo being short circuited. no go. The HD is stuck? darn, my uncles got a lot of important documents on that HD.
    
CPUMotherboardGraphicsRAM
Q8400 DFI LP DK P45-T2RS eVGA GTX 650 Kingston 
Hard DriveOptical DriveOSMonitor
2.8TB Total LG Super DVD Burner SATA VII Enterprise x64 Gateway FHD2401 
PowerCaseMouseMouse Pad
Corsair VX550W NZXT Source 210 White Logitech G400 Razer Kabuto 
Audio
Creative Audigy 
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CPUMotherboardGraphicsRAM
Q8400 DFI LP DK P45-T2RS eVGA GTX 650 Kingston 
Hard DriveOptical DriveOSMonitor
2.8TB Total LG Super DVD Burner SATA VII Enterprise x64 Gateway FHD2401 
PowerCaseMouseMouse Pad
Corsair VX550W NZXT Source 210 White Logitech G400 Razer Kabuto 
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