Solving Front Panel Component Problems; Solving Hardware Installation Problems - HP Xw6400 - Workstation - 4 GB RAM Reference Manual

Table 5-10 Keyboard and mouse problems (continued)
Problem
Mouse will only move vertically or
horizontally, or movement is jerky.

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
A USB device, headphone, or
microphone is not recognized by
the workstation.
A USB, audio, or IEEE-1394
devices is not working.
A device in the IEEE-1394 port is
not responsive.
The IEEE-1394 port is not active.

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 2000 and Windows XP
116 Chapter 5 System diagnostics and troubleshooting
Cause
Workstation is in Standby
mode.
Mouse roller ball is dirty.
Cause
The device is not properly
connected.
The device does not have
power.
The correct device driver is not
installed.
The cable from the device to
the computer does not work.
The device is not working.
The internal cables might not
be connected to the system
board or the PCI card.
Cables of new external device
are loose, or power cables are
unplugged.
The power switch on the
device is not turned on.
The port is not there because it
was not purchased with the
system.
Solution
Press the power button to resume from Standby mode.
Remove roller ball cover from the bottom of the mouse and
clean it. Then, replace cover.
Solution
1. Power off the workstation.
2. Reconnect the device to the front of the workstation
and restart the workstation.
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.
1. Install the correct driver for the device.
2. You might need to reboot the workstation.
1. If possible, replace the cable.
2. Restart the workstation.
1. Replace the device.
2. Restart the workstation.
1. Power off the workstation.
2. Connect the cables correctly.
Be sure that all cables are properly and securely
connected.
Power off the workstation, power on the external device,
then power on the workstation to integrate the device
with the workstation system.
You can buy an IEEE 1394 PCI adapter card. Contact an
HP seller.
ENWW