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Why dont my usb ports work

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  • USB
  • Components
Last response: in Components
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January 16, 2012 12:24:20 PM

usb ports just stopped working. why would that happen?

More about : dont usb ports work

January 16, 2012 1:16:13 PM

Which USB ports stopped working?

Case USB ports? Or the ones attached to the motherboard?

If its front panel (on the case) its likely a wire could have come loose. If its motherboard USB ports, then it could be a software change on the computer, or it could be actually broken.

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January 16, 2012 1:33:38 PM

+1 ^^^ often you will find if you have been running external hdd's the usb ports burn out. because people just think , bang it in and it will work... most need a second usb port on a different circuit but most people just plug there usb power plug http://ecx.images-amazon.com/images/I/51f%2BPGLTiEL.jpg (the second usb at 1 end of the cable) in to the firsts shared port... so they inadvertently overload the usb lanes.

if you have 2 usb ports on the front of your case always make sure there on separate usb jack on the motherboard for this reason above all.
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January 16, 2012 7:52:32 PM

have1 on front and six on back, none of them work. just bought system, only 10wks old.
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January 16, 2012 8:42:46 PM

are they enabled in the bios?
Does your motherboard need a connector from the power supply attached for usb power?
Did it work before?
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January 16, 2012 10:28:31 PM

yes they worked before. the one on the front quit working before the others.
which pf key do i use to check bios?
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