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 Post subject: Static discharge to USB port restarts pc
PostPosted: Mon Mar 25, 2013 7:00 pm 
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Joined: Mon Mar 25, 2013 6:45 pm
Posts: 4
I recently built a new gaming pc. A few weeks ago, I touched the USB port on the front of a cast, exchanged static charge and the pc rebooted. Since then this has happened a few times. I want to fix this asap so that I dont fry my components. I know this is a grounding issue. I need help determining if this is an issue with the case (including case and usb ports) or if it is a mobo or PSU issue.

PC Build:
AMD FX8150 Eight Core 4.00GHz
Gigabyte 990FXA-UD5
HD Radeon 7970
16 GB Ram
Kingwin Mach 1 1000w PSU
Case: Thermaltake Overseer


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 Post subject: Re: Static discharge to USB port restarts pc
PostPosted: Tue Mar 26, 2013 1:32 pm 
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Joined: Mon Mar 17, 2008 1:49 pm
Posts: 1188
Location: UK
Do you have the PSU earthed?

Looking at the case, it is a Thermaltake which immediately rings alarm bells in my ears for noise reasons but I am not familiar with this one. Is the case front plastic or metal? Is their metal to metal contact all of the way back to the PSU? The USB header has a built in GND pin so there should be no problem with that unless their is a lot of current going back through it, hence why there might be a problem with the fascia not being earthed.

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 Post subject: Re: Static discharge to USB port restarts pc
PostPosted: Tue Apr 30, 2013 12:56 pm 
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Joined: Mon Mar 25, 2013 6:45 pm
Posts: 4
Sry for the delayed reply. It turns out that the GND from the usb module was shorted. Thermaltake sent me a new usb module and no more static!


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