HP Xw9400 HP xw9400 Workstation - Service and Technical Reference Guide - Page 160
Solving keyboard and mouse problems, Problem, Cause, Solution, Num Lock, Start>Control Panel, Mouse
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Solving keyboard and mouse problems Table 6-10 Keyboard and mouse problems Problem Cause Solution Keyboard commands and Keyboard connector typing are not recognized by is not properly the workstation. connected. 1. Power off the workstation. 2. Reconnect the keyboard to the workstation and restart the workstation. Program in use has stopped responding to commands. Shut down the workstation using the mouse and then restart the workstation. Keyboard needs repairs. Replace the keyboard. Keyboard key is stuck Remove any debris from the keyboard. down. Workstation is in Standby mode and the system LED is flashing. 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 workstation will shut down and you will lose your data. Cursor will not move using The Num Lock key the arrow keys on the might be on. keypad. 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 Mouse connector is 1. Shut down the workstation using the movement or is too slow. not properly plugged into keyboard. the back of the workstation. 2. Plug the mouse connector into the PS/2 or USB mouse connector in the workstation and restart the workstation. You need to increase mouse acceleration. 1. In Windows, click Start>Control Panel and double-click Mouse. 2. Select the Motion tab and adjust the speed. Program in use has stopped responding to commands. Shut down the workstation using the keyboard and then restart the workstation. Mouse needs repairs. Replace the mouse. Workstation is in Standby mode and system LED is flashing. Press the power button to resume from Stand By mode. CAUTION: When attempting to resume from Standby mode, do not hold down the power button for more than four seconds. Otherwise, the workstation will shut down and you will lose your 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. 150 Chapter 6 System diagnostics and troubleshooting ENWW