HP Xw8400 HP xw8400 Workstation - Service and Technical Reference Guide - Page 129
Solving front panel component problems, Solving hardware installation problems
UPC - 883585271085
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Table 5-10 Keyboard and mouse problems (continued) Problem Cause Solution Workstation is Stand By mode. Press the power button to resume from Stand By 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. Power 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 1. Power off the workstation. be connected to the system board or the PCI card. 2. Connect the cables correctly. A device in the IEEE-a port is not responsive. Cables of new external device Be sure that all cables are properly and securely are loose or power cables are connected. unplugged. The power switch on the device is not turned on. Power off the workstation, and power on the external device, then turn on the workstation to integrate the device with the workstation system. The IEEE-1394 port is not active. The port is not there because it You can buy an IEEE 1394 PCI adapter card. Contact an was not purchased with the HP seller. system. Solving hardware installation problems You might need to reconfigure the workstation when you add or remove hardware, such as an additional diskette drive. If you install a PNP (positive-negative-positive) device, Windows XP automatically recognize the device and configure the workstation. If you install a non-PNP device, you must reconfigure the workstation after completing installation of the new hardware. ENWW Troubleshooting scenarios and solutions 119