Having problems with your Dell OptiPlex 740 PC Desktop ?

My usb port are not working after i formated the hard disk. pls some one tell me wht to do?

Answers :

You need to enable usb port from Bios.
Go to control panel/System /device manager/ scoll down to Universal serial bus controllers check there are no yellow exclamation marks over them ,if there are click on update drivers and point the wizard towards the drivers on your disc.
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