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Sounds like a bad PSU?

post #1 of 8
Thread Starter 
Hey, so my brother's computer started turning off after a few seconds after powering on. We brought it to a computer repair shop and they said it was the mobo. Bought a new ASUS mobo and now its turns on but no post, fans spin, hard drive spins, the CD drive will not open, and holding the power button will not turn off the system. Have tried placing RAM in different slots. No luck. Would the repair place have been wrong? this sounds much more like the PSU is dead. Ideas before I go buy a PSU?
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1100T ASUS 890GX Chipset 2 x XFX ATI 5770 8 GB Corsair DDR3 
Hard DriveOptical DriveOSMonitor
4 x 320 GB in RAID 0 DVD Drive Windows 7 (64 Bit) 19'' LCD 
PowerCase
Cooler Master Silent Pro 1000W Phantom NZXT 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1100T ASUS 890GX Chipset 2 x XFX ATI 5770 8 GB Corsair DDR3 
Hard DriveOptical DriveOSMonitor
4 x 320 GB in RAID 0 DVD Drive Windows 7 (64 Bit) 19'' LCD 
PowerCase
Cooler Master Silent Pro 1000W Phantom NZXT 
  hide details  
Reply
post #2 of 8
Have you tried turning it on with one 1 stick of ram? Some Mobos are having problems turning on with more than 1 stick for some reason. Maybe its just me. Using a a really powerful PSU only utilizing 10-15% of the PSU can actually cause problems. You should probably buy a PSU thats just about right for the rig. 500W and 600W should be fair.
post #3 of 8
Thread Starter 
k yes I have tried one stick but the computer has been running fine for about 2 yrs. It was kinda a budget build due to it being my first build and the mobo and CPU have been replaced with ASUS (I'm pretty sure its a good name) and the CPU came from my system cuz i upgraded. So that left me looking at the PSU and I have had this exact problem with cheap PSUs before. So I think the cheap PSU has finally caught up.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1100T ASUS 890GX Chipset 2 x XFX ATI 5770 8 GB Corsair DDR3 
Hard DriveOptical DriveOSMonitor
4 x 320 GB in RAID 0 DVD Drive Windows 7 (64 Bit) 19'' LCD 
PowerCase
Cooler Master Silent Pro 1000W Phantom NZXT 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1100T ASUS 890GX Chipset 2 x XFX ATI 5770 8 GB Corsair DDR3 
Hard DriveOptical DriveOSMonitor
4 x 320 GB in RAID 0 DVD Drive Windows 7 (64 Bit) 19'' LCD 
PowerCase
Cooler Master Silent Pro 1000W Phantom NZXT 
  hide details  
Reply
post #4 of 8
Thread Starter 
and the system is not my sig system lol not sure if you were using that
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1100T ASUS 890GX Chipset 2 x XFX ATI 5770 8 GB Corsair DDR3 
Hard DriveOptical DriveOSMonitor
4 x 320 GB in RAID 0 DVD Drive Windows 7 (64 Bit) 19'' LCD 
PowerCase
Cooler Master Silent Pro 1000W Phantom NZXT 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1100T ASUS 890GX Chipset 2 x XFX ATI 5770 8 GB Corsair DDR3 
Hard DriveOptical DriveOSMonitor
4 x 320 GB in RAID 0 DVD Drive Windows 7 (64 Bit) 19'' LCD 
PowerCase
Cooler Master Silent Pro 1000W Phantom NZXT 
  hide details  
Reply
post #5 of 8
Thread Starter 
Problem System: Phenom II 965, ASUS 790X Mobo, 4 GB Corsair RAM, XFX 5550
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1100T ASUS 890GX Chipset 2 x XFX ATI 5770 8 GB Corsair DDR3 
Hard DriveOptical DriveOSMonitor
4 x 320 GB in RAID 0 DVD Drive Windows 7 (64 Bit) 19'' LCD 
PowerCase
Cooler Master Silent Pro 1000W Phantom NZXT 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1100T ASUS 890GX Chipset 2 x XFX ATI 5770 8 GB Corsair DDR3 
Hard DriveOptical DriveOSMonitor
4 x 320 GB in RAID 0 DVD Drive Windows 7 (64 Bit) 19'' LCD 
PowerCase
Cooler Master Silent Pro 1000W Phantom NZXT 
  hide details  
Reply
post #6 of 8
do you have a spare psu you can test it on somewhere? this repair shop should be able to test your psu for you and tell you if it is dead as well
Lawlasaurous 2.0
(21 items)
 
  
CPUMotherboardGraphicsGraphics
i7 2600k Asus p8p67 Deluxe GTX580 GTX580 
RAMHard DriveHard DriveHard Drive
Corsair Vengeance Vertex2 SSD Intel SSD Intel SSD 
Hard DriveOptical DriveCoolingOS
F3R LG Bluray RW, Lightscribe DVD-RW Corsair Hydro 620 Windows 7 home premium 64 
MonitorMonitorKeyboardPower
Dell U3011 Acer 27 inch 3d monitor Logitech G15 Kingwin Mach1 1000w 
CaseMouseMouse PadAudio
Cooler Master HAF 932 Logitech MX518, Razer Naga Steel Series Epicus Maximus Blizzcon Mouse pad logitech z313 speakers 
Audio
logitech g930 7.1 headset 
  hide details  
Reply
Lawlasaurous 2.0
(21 items)
 
  
CPUMotherboardGraphicsGraphics
i7 2600k Asus p8p67 Deluxe GTX580 GTX580 
RAMHard DriveHard DriveHard Drive
Corsair Vengeance Vertex2 SSD Intel SSD Intel SSD 
Hard DriveOptical DriveCoolingOS
F3R LG Bluray RW, Lightscribe DVD-RW Corsair Hydro 620 Windows 7 home premium 64 
MonitorMonitorKeyboardPower
Dell U3011 Acer 27 inch 3d monitor Logitech G15 Kingwin Mach1 1000w 
CaseMouseMouse PadAudio
Cooler Master HAF 932 Logitech MX518, Razer Naga Steel Series Epicus Maximus Blizzcon Mouse pad logitech z313 speakers 
Audio
logitech g930 7.1 headset 
  hide details  
Reply
post #7 of 8
What power supply is it?
post #8 of 8
Thread Starter 
Thermaltake / ToughPower / 750-Watt / ATX / 140mm Fan / SATA Ready / SLI Ready / PFC/EPS / Power Supply / 80Plus

and no i dont have a spare unfortunately
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1100T ASUS 890GX Chipset 2 x XFX ATI 5770 8 GB Corsair DDR3 
Hard DriveOptical DriveOSMonitor
4 x 320 GB in RAID 0 DVD Drive Windows 7 (64 Bit) 19'' LCD 
PowerCase
Cooler Master Silent Pro 1000W Phantom NZXT 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1100T ASUS 890GX Chipset 2 x XFX ATI 5770 8 GB Corsair DDR3 
Hard DriveOptical DriveOSMonitor
4 x 320 GB in RAID 0 DVD Drive Windows 7 (64 Bit) 19'' LCD 
PowerCase
Cooler Master Silent Pro 1000W Phantom NZXT 
  hide details  
Reply
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