Solving Hardware Installation Problems
Problem
Hardware devices are not working properly
Possible Cause
The system did not automatically configure the new device.
Cable(s) of the new external device may be loose or the power cable may be unplugged.
Solution
Check the documentation that came with the new device to determine whether any device drivers need to be installed and, if necessary, install the correct device drivers.
Ensure that all cables are properly and securely connected.
The power switch of the new external device is not turned on or was turned on after the computer was turned on.
Place the computer in Suspend by pressing the suspend button. Turn on the new external device. Press the suspend button again to exit Suspend. This allows the system to recognize the new device.
The device was plugged in while the computer was on or in Suspend and was not recognized by the system.
Turn the computer off. Reattach the new external device and turn it on. Press the power button to start the computer. This allows the system to recognize the new device.
Troubleshooting