HP Dc7700 HP Compaq dc7700 Business Desktop PC Service Reference Guide, 1st Ed - Page 239

Troubleshooting Without Diagnostics Solving Keyboard and Mouse Problems (Continued) Problem Mouse does not respond to movement or is too slow. Cause Mouse connector is not properly plugged into the back of the computer. Program in use has stopped responding to commands. Mouse may need cleaning. Mouse may need repair. Wireless device error. Computer is in standby mode. Solution 1. Press Ctrl and Esc at the same time (or press the Windows logo key) to display the Start menu. 2. Use the up or down arrow key to select Shut Down and then press Enter. 3. Use the up or down arrow key to select the Shut Down option 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. Shut down the computer using the keyboard and then restart the computer. Remove the roller ball cover on the mouse and clean the internal components. See the Worldwide Limited Warranty for terms and conditions. 1. Check software, if available, for device status. 2. Check/replace device batteries. 3. Reset receiver and mouse. Press the power button to resume from standby mode. Mouse will only move vertically or horizontally, or movement is jerky. Mouse roller ball or the rotating encoder shafts that make contact with the ball are dirty. Ä When attempting to resume from standby mode, 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. Remove roller ball cover from the bottom of the mouse and clean the internal components with a mouse cleaning kit. Service Reference Guide, dc7700 433612-001 D-21