HP dx7200 HP Compaq Business PC dx7200 MT Service Reference Guide, 1st edition - Page 193
Solving Keyboard and Mouse Problems, standby, CAUTION, Num Lock, Problem, Cause, Solution
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Troubleshooting Without Diagnostics Solving Keyboard and Mouse Problems (Continued) Problem Cause Solution Keyboard commands and typing are not recognized by the computer. (continued) Keyboard needs repairs. Wireless device error. Replace the keyboard. 1. Check software, if available, for device battery status. 2. Replace device batteries. 3. Reset receiver and keyboard. Computer is in standby mode. Press the power button to resume from standby mode. Ä CAUTION: 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 any unsaved data will be lost. Cursor will not move using the arrow keys on the keypad. The Num Lock key may be on. Press the Num Lock key. The Num Lock light should not be on if you want to use the arrow keys. The Num Lock key can be disabled (or enabled) in Computer Setup. Mouse does not respond to movement or is too slow. Mouse connector is not properly plugged into the back of the computer. 1. Shut down the computer using the keyboard. 2. Plug the mouse connector into the back of the computer (or the keyboard) and restart the computer. Program in use has stopped responding to commands. Shut down the computer using the keyboard and then restart the computer. Mouse may need cleaning. Remove the roller ball cover on the mouse and clean it. Mouse needs repairs. Replace the mouse. Wireless device error. 1. Check software, if available, for device battery status. 2. Replace device batteries. 3. Reset receiver and mouse. Computer is in standby mode. Press the power button to resume from standby mode. Ä CAUTION: 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. Mouse will only move vertically or horizontally, or movement is jerky. Mouse roller ball is dirty. Remove roller ball cover from the bottom of the mouse and clean it. Service Reference Guide, dx7200 390812-001 D-17