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USB ports are going crazy and turning off/on constantly

post #1 of 4
Thread Starter 
This is for my sig rig. About a week ago I was surfing online and suddenly my keyboard and mouse started going crazy. I'd hear the USB disconnection sound over and over and the LED's on both the KB/Mouse were turning off and on randomly. I rebooted and everything was fine so I assumed it was just a fluke. Unfortunately, it has now started happening once or twice a day. I can't figure out how to fix it but it seems related to Windows because it'll fix itself with a reboot. Regardless, I checked all my wiring to make sure nothing was shorting out and I don't see anything wrong. Anyone ever see anything like this or have any ideas on what I can try?

Video of it happening: [ame]http://www.youtube.com/watch?v=CbrxMbLxV6U[/ame]
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post #2 of 4
Ok, here's my 2cents.gif

Do other USB devices used in those same ports experience any troubles? Thumb drives, headsets, external HDD's, etc...?

Try different USB ports with your KB and mouse.

Disconnect all USB headers from your MoBo and use a can of compressed air to blow them out and ensure they are clean inside. Also do this for the USB ports themselves.

Try removing all MoBo power connections and blowing those out as well (like the USB MoBo Headers) with compressed air.

I'm willing to bet this is either a ground issue, or the USB ports you are using are starting to fail.

Also, do you have another USB mouse/keyboard that you know works 100% that you can use to test in those same ports?
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Big Baby
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Kingston 64GB SSD, 1TB Hitachi and 3 160GB drives ASUS dual layer SATA II DVD burner Windows 7 Pro 64 Bit and a few virtual machines ;) Hanns.G Hi221D 22" LCD Widescreen 
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standard junker nothin' fancy. Yet... HIPER 730 W Rosewill Conqueror Logitech Trackball (TrackMan is the model I think) 
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The Desk! 
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post #3 of 4
Thread Starter 
Thanks for the response. Unfortunately, I've tried most of what you've said except for cleaning the mobo power connections. I'll give that I try now.

What I've tried so far:
  • Every single USB port. ALL USB ports exhibit the issue. The front panel USB ports, the back, and even the USB 3.0 ports which operate on a totally different controller. headscratch.gif
  • When it happens all USB ports with active connections become unusable until a reboot. However, I can switch USB devices to unused ports and everything will work fine. (Although a reboot is still required to get the previous ports working again)
  • I've tried blowing compressed air on all the USB connections and the USB header but no luck.
  • I disconnected the USB header but it still happens
  • Reinstalling/updating ALL drivers including chipset drivers, video card, sound card, etc.

One thing that's important to note is it ALWAYS fixes itself with a reboot. It also has never happened in the BIOS, only in Windows 7.
Edited by sgr215 - 10/20/11 at 10:13pm
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post #4 of 4
After doing some research, it seems that your MoBo has some issues with it. Though none of them (that I found) are like yours, the more I read, the more I start to believe it is your MoBo crapping out. Sounds like the QA team for this model of MoBo was on vacation or something.

Why does a reboot fix it? Who knows. It could be that when the ports start going crazy it trips a "virtual circuit breaker" (for lack of a better description) and a reboot resets that. Poor analogy, but you get the point - I hope.
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Hard DriveOptical DriveOSMonitor
Kingston 64GB SSD, 1TB Hitachi and 3 160GB drives ASUS dual layer SATA II DVD burner Windows 7 Pro 64 Bit and a few virtual machines ;) Hanns.G Hi221D 22" LCD Widescreen 
KeyboardPowerCaseMouse
standard junker nothin' fancy. Yet... HIPER 730 W Rosewill Conqueror Logitech Trackball (TrackMan is the model I think) 
Mouse Pad
The Desk! 
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Big Baby
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core 2 Duo E8400 Wolfdale 3.0 Ghz Asrock P45R2000 WiFi 460 GTX 6GB Patriot Viper DDR3 1333 (2x1GB and 2x2GB) 
Hard DriveOptical DriveOSMonitor
Kingston 64GB SSD, 1TB Hitachi and 3 160GB drives ASUS dual layer SATA II DVD burner Windows 7 Pro 64 Bit and a few virtual machines ;) Hanns.G Hi221D 22" LCD Widescreen 
KeyboardPowerCaseMouse
standard junker nothin' fancy. Yet... HIPER 730 W Rosewill Conqueror Logitech Trackball (TrackMan is the model I think) 
Mouse Pad
The Desk! 
  hide details  
Reply
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