HP Dc7800 Troubleshooting Guide - Page 36
Solving Keyboard and Mouse Problems
UPC - 883585764365
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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. Table 2-9 Solving Keyboard Problems Keyboard commands and typing are not recognized by the computer. Cause Solution Keyboard connector is not properly connected. 1. On the Windows XP Desktop, click Start > Shut Down. On the Windows Vista Desktop, click Start, click the arrow on the lower right corner of the Start menu, then select Shut Down. Program in use has stopped responding to commands. Keyboard needs repairs. Wireless device error. 2. After the shutdown is complete, reconnect the keyboard to the back of the computer and restart the computer. Shut down your computer using the mouse and then restart the computer. See the Worldwide Limited Warranty for terms and conditions. 1. Check the software, if available, for device status. 2. Check/replace device batteries. Computer is in standby mode. 3. Reset receiver and keyboard. Press the power button to resume from standby mode. 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. Cursor will not move using the arrow keys on the keypad. Cause Solution 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. Table 2-10 Solving Mouse Problems 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. 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 the Enter key. 3. 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. 30 Chapter 2 Troubleshooting Without Diagnostics ENWW