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Solving Front Panel Component Problems - HP Xw8400 - Workstation - 4 GB RAM User Manual

Hp xw8400 service and technical reference guide.
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Table 5-10
Keyboard and mouse problems (continued)
Problem
Mouse does not respond to
movement or is too slow.
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
If a USB device, headphone, or
microphone is not recognized by
the workstation.
If a USB, audio, and IEEE-1394
devices are not working.
A device in the IEEE-1394a port is
not responsive.
ENWW
Cause
Mouse connector is
not properly plugged into the
back of the workstation.
Program in use has stopped
responding to commands.
Mouse needs repairs.
Workstation is Stand By mode. Press the power button to resume from Stand By mode.
Mouse roller ball is dirty.
Cause
It 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.
Solution
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.
Shut down the workstation using the keyboard and then
restart the workstation.
Replace the mouse.
Remove roller ball cover from the bottom of the mouse and
clean it.
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.
Troubleshooting scenarios and solutions
119

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