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Old 09-24-2004, 06:59 PM   #1
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Mobo USB quit working on all 6 USB ports?

I have a 875P board with USB problems

Have had the motherboard for a few months with no problems, USB printer was fine. I tried to connect my digital camera to the front USB, did not work so I tried the back USB. Still nothing so I connected to my laptop.
Next time I tried to print, my printer will no not work on my computer.
Printer and other USB items work on laptop, but all USB on desktop are out.

Any suggestions? I tried
Reconnecting, restarting...
Deleting the USB from device manager, reboot and reconnect, installing latest inf drivers. = nothing

Camera - Should be plug and play
Lexmark X6170 Printer - was working just fine, could be a coincidence with camera

Thanks
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Old 09-24-2004, 08:59 PM   #2
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Are you connected to a surge protector? if not a recent surge could have caused damamge and or the PSU is faulty, however if not try a virus scan, they could be infecting drivers
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Old 09-24-2004, 09:47 PM   #3
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No storms, No Virus's. The PSU is an Antec. I doubt its bad but maybe...Any other ideas? Perhaps a system restore would fix???? Does Win XP SP2 have any fixes in it for USB problems?
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Old 09-25-2004, 02:23 AM   #4
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Don't think SP2 has and usb fixes,

Try going int control panel >> system >> device manager >> USB root hub >> Power management

make sure the 'allow the computer to turn off this device to save power' is unchecked
as it could be a power saving issue. Also have you checked devices one-by-one? as it could be a faulty device is dragging down the USB voltage.
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Old 09-25-2004, 09:38 AM   #5
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Yes all devices have been checked in diff usb ports one by one.
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Old 09-25-2004, 06:42 PM   #6
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Reinstall all the drivers that came on your m'board cd rom. If its still dead, then you could always install a USB card in a PCI slot.
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