Having problems with your IBM IntelliStation Z Pro 6221 PC Desktop ?

My USB ports suddenly quit working on my IBM Z Pro 6221 59U

Answers :

Check the actual ports, visual inspection. Look for consistancy of the pins, and guide. If one is bent or missing, that can short out the ports, or blow out the integrated circuit.
\015\012If you are using a usb keyboard, try to start up and go into the setup using the keyboard. If you can, the driver for the ports might be damaged, causing the problem in windows, but not in the bios startup.
\015\012You can purchase a usb board that can give you new ports, and deleting the usb hub from the hardware manager (check help) and re-detecting the device might repair a damaged driver.
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