USB port not being recognised

Hello,
When I plug in my mouse, the light leds of the mouse light up, however my mac does not recognise it (it doesnt work)
The same goes with a USB flashstick, once i plug it in either of the 2 ports, the USB flashes, however my mac does not regonise it.
It's been going on for a long time, resetting does not work as well as the PRAM reset
Does anyone have any solutions?

Hello sqvic,
The following articles provide some useful tips and information that can help get your USB ports working.
OS X Mavericks: If a USB device isn’t working
http://support.apple.com/kb/PH13876
USB: Troubleshooting Error Messages
http://support.apple.com/kb/TA25618
Cheers,
Allen

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