Problems with ports and connectors
The following are the most common problems with ports and connectors.
A USB problem
Problem: A device connected to the USB connector does not work.
Solution: Open the Device Manager window. Ensure that the USB device setup is correct, and that the assignment of computer resource and the installation of the device driver are correct. Click Start ➙ Control Panel ➙ Hardware and Sound ➙ Device Manager. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
Refer to “Diagnosing problems” on page 107 for a diagnostic test of the USB connector.