USB to VGA/DVI/HDMI converter problem.

I bought a MyGica UShow US165 Video Converter, it worked fine the first night I got it, it was sending the video to my HDTV perfectly the entire night.  I shut down my Laptop and put everything away, when I tried to plug everything back in the next day, Windows XP tells me the device is malfunctioning and not recognized.  I plugged other things into the USB ports and they work fine, and I plugged the converter into another friend's laptop & it run fine on there.  Please tell me what I can do, I have tried reinstalling the drivers.
JeremyAllenWaltersAsked:
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nobusConnect With a Mentor Commented:
>>  wonder if I should just clear everything out & start from scratch.    <<  are you suggesting a fresh install?  that should help - unless the problem is hardware
there are no errors in device manager?
check also for errors in event viewer
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nobusCommented:
test it on another system - it may just have died
if bad = have a warranty repair or replacement
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☠ MASQ ☠Commented:
Check there isn't a hidden instance of it still present in Device Manager.  If there is delete it before replugging the box.
http://support.microsoft.com/kb/315539
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JeremyAllenWaltersAuthor Commented:
Run's fine on another Laptop & my desktop, sorry.  No other instances in the device mgr either.
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☠ MASQ ☠Commented:
Have you tried all the other USB ports?
Is there an error code in Device Manager?
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nobusCommented:
did you enable view hidden devices in device manager?  that can show it
also - is the TV connected?  it can be showing the screen on TV...
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JeremyAllenWaltersAuthor Commented:
Yes, I tried all the USB ports on the laptop, and the only thing device manager says is "Unknown Device" under the USB Controller Tabs.  Yes, I viewed the hidden devices as well, and ran the command through command prompt so it wouldn't leave any out.
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nobusCommented:
can you try a system restore to the date it worked?
were there any updates?
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JeremyAllenWaltersAuthor Commented:
Ok, I did the System restore, still didnt work, wonder if I should just clear everything out & start from scratch.  I don't have a reboot disc, will I be able to go that far back?
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JeremyAllenWaltersAuthor Commented:
Fixed it right away, thanks.
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nobusCommented:
you mean the fresh install?  if so, tx for feedback
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JeremyAllenWaltersAuthor Commented:
Yeah, after I cleared everything off, it worked.  Not sure what specifically caused the issue, but my guess would be either the Avast Antivirus or my BOINC screen saver, both had been popping up with messages that aren't showing up after the fresh install, thanks.
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nobusCommented:
ok; tx for feedback
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