Why two usb ports are not working among 4usb ports, in dell laptop with windows7

please help me...
4 answers Last reply
More about ports working 4usb ports dell laptop windows7
  1. Check the device manager and see that all 4 ports show up there.
    Also, what does the rig do when you plug something into those dysfunctional ports?
    Have you confirmed that the device you are using work in the other ports?
  2. alyoshka said:
    Check the device manager and see that all 4 ports show up there.
    Also, what does the rig do when you plug something into those dysfunctional ports?
    Have you confirmed that the device you are using work in the other ports?

    the devices used are working properly...but that two ports are not working...i don't know the reason...and what is mean by rig?
  3. are these ports USB 3.0?, if they are they might need a specific driver
  4. RIG.... means the machine , laptop or PC.... :)
    Check in the device manager to see if the ports are functioning and the amount of current supplied to them is reserved or not.
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