HP EliteDesk 800 Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 232

Mouse does not respond to movement or is too slow. Cause Solution Mouse connector is not properly plugged into the back of the computer. Shut down the computer using the keyboard. Windows 7: 1. Press the Ctrl and Esc keys at the same time (or press the Windows logo key) to display the Start menu. 2. Use the arrow keys to select Shut Down and then press Enter. 3. After the shutdown is complete, plug the mouse connector into the back of the computer (or the keyboard) and restart. Windows 8: 1. Press the Windows logo + l to open the Settings charm. 2. Use the arrow keys to select Power, and then press Enter. 3. Use the arrow keys to select Shut Down, and then press Enter. 4. After the shutdown is complete, plug the mouse connector into the back of the computer (or the keyboard) and restart. Program in use has stopped responding to commands. Shut down the computer using the keyboard then restart the computer. Mouse may need cleaning. Remove the roller ball cover on the mouse and clean the internal components. Mouse may need repair. See the Worldwide Limited Warranty for terms and conditions. Computer is in Sleep state. Press the power button to resume from Sleep state. CAUTION: When attempting to resume from Sleep state, do not hold down the power button for more than four seconds. Otherwise, the computer will shut down and you will lose any unsaved data. Mouse will only move vertically, horizontally, or movement is jerky. Cause Solution Mouse roller ball or the rotating encoder shafts that make contact with the ball are dirty. Remove roller ball cover from the bottom of the mouse and clean the internal components with a mouse cleaning kit available from most computer stores. 220 Chapter 9 Troubleshooting without diagnostics