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random power on of ( psu )

post #1 of 5
Thread Starter 
i have an old computer that i got from a car boot sale ( yard sale ) from oldcoats uk. I got this computer home and plugged it in and plugged in mouse, monitor, keyboard, all that stuff...so I tuned on the computer and the screen come up the computer post ok.

so I booted in to xp..ok...2mins later computer restarts for no reason,
on of on of on of on of on of ,just like that the psu it making what sounds like an arching noise, it's odd because when you turn the computer on from a cold boot say 40mins or so the thing turns on fine but will not stay on..i do know that it is the psu that is the problem but i thought id just ask to see if you people might know what is happening with it for future reference.
    
CPUMotherboardGraphicsRAM
6700k z 170 pro gameing GTX980 16 
Hard DriveOptical DriveCoolingOS
samsung ssd  SUPER WRITE MASTER. Cooler Master Hyper 212 Evo win10 
MonitorKeyboardPowerCase
ASUS VW 199D g510 G7.. BitFenix Merc Beta Mid ATX Case 
MouseAudio
logitech m185 onbord. 
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CPUMotherboardGraphicsRAM
6700k z 170 pro gameing GTX980 16 
Hard DriveOptical DriveCoolingOS
samsung ssd  SUPER WRITE MASTER. Cooler Master Hyper 212 Evo win10 
MonitorKeyboardPowerCase
ASUS VW 199D g510 G7.. BitFenix Merc Beta Mid ATX Case 
MouseAudio
logitech m185 onbord. 
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post #2 of 5
Got a spare PSU laying around to try?

What are the specs of the machine?
post #3 of 5
Sounds like an old PSU or possible a bad connector inside, I'd pop it open and check all connections and look for shortages
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CPUMotherboardGraphicsRAM
AMD PII 955BEC3 Asus Crossfire III AM3 790FX EVGA GT 640 Crucial Ballistix 4GB 1333MHz 
Hard DriveOptical DriveOSMonitor
WD Caviar Black 750gb 32mb LG 22x DVD Windows 7 Ultimate x64 Acer 21.5'' 1080P 5ms 
KeyboardPowerCaseMouse
Logitech Wave Corsair 750WTX Antec Illusion 300 Logitech Mx 518 
Mouse Pad
steelseries clotch 
CPUMotherboardGraphicsRAM
i5-3570k ASUS Maximus V FORMULA EVGA GTX 970 FTW 4GB Corsair Vengance 8GB 1600MHz 
Hard DriveHard DriveCoolingOS
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The 300
(13 items)
 
The 003
(13 items)
 
 
CPUMotherboardGraphicsRAM
AMD PII 955BEC3 Asus Crossfire III AM3 790FX EVGA GT 640 Crucial Ballistix 4GB 1333MHz 
Hard DriveOptical DriveOSMonitor
WD Caviar Black 750gb 32mb LG 22x DVD Windows 7 Ultimate x64 Acer 21.5'' 1080P 5ms 
KeyboardPowerCaseMouse
Logitech Wave Corsair 750WTX Antec Illusion 300 Logitech Mx 518 
Mouse Pad
steelseries clotch 
CPUMotherboardGraphicsRAM
i5-3570k ASUS Maximus V FORMULA EVGA GTX 970 FTW 4GB Corsair Vengance 8GB 1600MHz 
Hard DriveHard DriveCoolingOS
Samsung 840 PRO 128GB(OS+2Games) WD 1TB Caviar Black(Games) Hyper 212 Evo Windows 7 Home x64 
MonitorKeyboardPowerMouse
24'' Insignia LED  Logitech Wave Rosewill Capstone Modular 650W MX 518 
Mouse Pad
SteelSeries 
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post #4 of 5
Thread Starter 
Quote:
Originally Posted by DesertRat View Post
Got a spare PSU laying around to try?

What are the specs of the machine?
the computer is an old thing.
CPU PENTIUM 4.. 2.8GHZ I THINK.
HDD..80GB..SEAGATE.
MOTHERBOARD . NO IDEA BUT LOOKS OLD.
PSU NO IDEA / I THINK IT IS UNBRANDED
RAM 512MB 256X2
    
CPUMotherboardGraphicsRAM
6700k z 170 pro gameing GTX980 16 
Hard DriveOptical DriveCoolingOS
samsung ssd  SUPER WRITE MASTER. Cooler Master Hyper 212 Evo win10 
MonitorKeyboardPowerCase
ASUS VW 199D g510 G7.. BitFenix Merc Beta Mid ATX Case 
MouseAudio
logitech m185 onbord. 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
6700k z 170 pro gameing GTX980 16 
Hard DriveOptical DriveCoolingOS
samsung ssd  SUPER WRITE MASTER. Cooler Master Hyper 212 Evo win10 
MonitorKeyboardPowerCase
ASUS VW 199D g510 G7.. BitFenix Merc Beta Mid ATX Case 
MouseAudio
logitech m185 onbord. 
  hide details  
Reply
post #5 of 5
Thread Starter 
Quote:
Originally Posted by epitek View Post
Sounds like an old PSU or possible a bad connector inside, I'd pop it open and check all connections and look for shortages
yep I did that but no luck.
    
CPUMotherboardGraphicsRAM
6700k z 170 pro gameing GTX980 16 
Hard DriveOptical DriveCoolingOS
samsung ssd  SUPER WRITE MASTER. Cooler Master Hyper 212 Evo win10 
MonitorKeyboardPowerCase
ASUS VW 199D g510 G7.. BitFenix Merc Beta Mid ATX Case 
MouseAudio
logitech m185 onbord. 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
6700k z 170 pro gameing GTX980 16 
Hard DriveOptical DriveCoolingOS
samsung ssd  SUPER WRITE MASTER. Cooler Master Hyper 212 Evo win10 
MonitorKeyboardPowerCase
ASUS VW 199D g510 G7.. BitFenix Merc Beta Mid ATX Case 
MouseAudio
logitech m185 onbord. 
  hide details  
Reply
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