Solving Keyboard And Mouse Problems - HP ProDesk 600 Maintenance And Service Manual

Printer will not turn on.
Cause
The cables may not be connected properly.
Printer prints garbled information.
Cause
The correct printer driver for the application is not installed.
The cables may not be connected properly.
Printer memory may be overloaded.
Printer will not print.
Cause
The printer may be out of paper.

Solving keyboard and mouse problems

If you encounter keyboard or mouse problems, see the documentation that came with the equipment
and to the common causes and solutions listed in the following table.
A wireless keyboard/mouse is not working correctly. Symptoms include lagging mouse movement,
jumpy mouse/keyboard, or no function of mouse/keyboard and external drive.
Cause
If your computer is equipped with USB 3.0 ports, connected
USB 3.0 devices can interfere with the wireless keyboard USB
receiver.
Keyboard commands and typing are not recognized by the computer.
Cause
Keyboard connector is not properly connected.
Program in use has stopped responding to commands.
Solution
Reconnect all cables and check the power cord and electrical
outlet.
Solution
Install the correct printer driver for the application.
Reconnect all cables.
Reset the printer by turning it off for one minute, then turn it
back on.
Solution
Check the paper tray and refill it if it is empty.
Solution
Connect the wireless keyboard USB receiver to a USB 2.0
port that is separated from ports with USB 3.0 devices. If you
still experience interference, you may have to place the
connectors farther apart using an external USB hub.
Solution
Shut down the computer, reconnect the keyboard to the back
of the computer, and then restart the computer.
Shut down your computer using the mouse and then restart the
computer.
Solving keyboard and mouse problems
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