Strange Windows 7 Problem: Short?

S

StarsFan4Life

Limp Gawd
Joined
May 29, 2008
Messages
472
OK. I have come across a VERY strange problem in Windows 7 RC1 build 7100 and 7232.

With my following setup, I am experiencing a weird "short" type of problem. The problem is when I am fully booted in, the front USB connections on the case kind of "short out" when I connect any type of usb device (even if I just touch the metal with a usb device). Basically the screens go blank but the computer stays on, I have to hold the power button down to turn it off and then back on. I was thinking this was some sort of power short either with the motherboard or the PSU.

So, I installed Windows Vista Ultimate. The front USB worked just fine.

So I tried Windows XP. Same thing, it works just fine.

So I tried installing Windows 7 RC1 build 7232. The USB short happened again.

I then tried Windows 7 RC1 build 7100....and the same short problem.

Can drivers cause a short? Can an OS cause a short?

My build:

* Cooler Master Elite 330
* Gigabyte GA-MA790X-UD4P motherboard
* AMD Phenom II Quad 940 Black Editon - Stock cooling
* 8GB G-Skill PC2-6400
* XFX Radeon 4870 1GB
* Western Digital Caviar Black 1TB SATA II
* Western Digital Caviar Black 640GB SATAII
* Onboard LAN/HD Audio
* Logitech DiNovo Keyboard
* Logitech MX Revolution Mouse
* 2 X Yate Loon 120mm silent case fans
* 2 X Dell" S2309 W @ 1900 x 1080
 
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I've seen this type of behavior before, in fact I have a system in service that does this from time to time in XP but not Vista or Ubuntu. I have no idea what causes but the port in question is at the bottom and I don't use it much so its just one of those things.
 
Yeah, it was a random thing for me and it had no pattern even in XP. I'd love to know what you find out.
 
Staring to sound like a hardware issue. Have you tried a USB hub and see if that helps?
 
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