Help diagnosing a very odd problem.

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Plaid Flannel

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Oct 12, 2015
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Hello,

My computer has been damaged in some way by my cat. I had a usb cord hanging from a port, which was chewed to pieces by one of my lovely animals. Afterwards I found I couldn't load windows. I kept restarting, or getting errors that kept me from continuing. I saw a screen saying something about a surge just before I foced my computer to shutdown.

System:

FX-8320e CPU
Asus M5A97 R2.0 Mobo
Radeon HD 6850 GPU
PSU/HDD/case and wiring were recycled from an older gaming computer, and am unsure of the make and model.
Was running windows 10


WHAT I'VE DONE:

Used MemOK function on the motherboard, and memory is ok.

Retrieved error in: D:/WINDOWS/System32/Logfiles/Srt/SrtTrail.txt

attempted to completely reset system. (was reset, but windows install is hampered by restarting)

attempted windows repair disc startup. (did absolutely nothing)


I now have a computer with no OS, and a glaring hardware issue that I cannot diagnose. Does anyone know where I should go from here, or have any ideas of what I could do?

My best guess is that the USB port was shorted somehow, and I now have a faulty HDD.

Any help at all is greatly appreciated.






 
Solution
thehutti
I think your guess with a shorted out USB is correct. If your PC was on while the cat chewed on it, the USB Power failure could have shut down your pc and a spin drive hdd could be damaged by that (But that rarely happens by a sudden power loss). The possibility of a hdd failure by the short out itself is also unlikely because they are both powered seperately by the PSU and the only connection to the mainboard ist the sata data cable. My guess is that the short out fried your usb controller, and every time your OS is trying to load the USB Controller during the startup process or during the installation, the pc restarts. One thing you could try is to disable the USB completely in the BIOS if you have this option. To get Keyboard and...
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thehutti

thehutti

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May 12, 2014
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I think your guess with a shorted out USB is correct. If your PC was on while the cat chewed on it, the USB Power failure could have shut down your pc and a spin drive hdd could be damaged by that (But that rarely happens by a sudden power loss). The possibility of a hdd failure by the short out itself is also unlikely because they are both powered seperately by the PSU and the only connection to the mainboard ist the sata data cable. My guess is that the short out fried your usb controller, and every time your OS is trying to load the USB Controller during the startup process or during the installation, the pc restarts. One thing you could try is to disable the USB completely in the BIOS if you have this option. To get Keyboard and Mouse running you have to rely on a PS2 Connector then if your board has one, or install a seperate USB Controller to a PCI-E slot.
 
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