HP Xw8200 HP Workstation xw8200 Service and Technical Reference Guide (Complet - Page 124
Solving Front Panel Component Problems, Table 5-11
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Table 5-10 Keyboard and Mouse Problems Problem Cause Solution Cursor will not move using the arrow keys on the keypad. The Num Lock key might 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 workstation. 1 Shut down the workstation using the keyboard. 2 Plug the mouse connector into the PS/2 mouse connector slot in the workstation and restart the workstation. 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 Hibernate mode. Press the power button to resume from Hibernate mode. Mouse will only move vertically or Mouse roller ball is dirty. horizontally, or movement is jerky. Remove roller ball cover from the bottom of the mouse and clean it. Solving Front Panel Component Problems If you are experiencing problems with one of the front panel ports, you might be able to try your device in the corresponding port on the back side of the computer. If this does not fix the problem, or you must use the front panel ports, continue troubleshooting. Some problems in this section are also discussed in other troubleshooting suggestions in this chapter. Table 5-11 Front Panel Component Problems Problem Cause Solution If a USB device, headphone, or microphone is not recognized by the workstation. It is not properly connected. 1 Turn off the workstation. 2 Reconnect the device to the front of the workstation and restart the workstation. The device does not have power. If the USB device requires AC power, be sure one end is connected to the device and one end is connected to a live outlet. The correct device driver is not 1 Install the correct driver for the device. installed. 2 You might need to reboot the workstation. The cable from the device to the computer does not work. 1 If possible, replace the cable. 2 Restart the workstation. The device is not working. 1 Replace the device. 2 Restart the workstation. If a USB, audio, and IEEE-1394 devices are not working. The internal cables might not be connected to the system board or the PCI card. 1 Turn off the workstation. 2 Connect the cables correctly. 124 SYSTEM DIAGNOSTICS AND TROUBLESHOOTING