Solving Front Panel Component Problems - HP xw4300 Service And Technical Reference Manual

5.7.9

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, and IEEE-1394
devices are not working.
A device in the IEEE-1394 port is not
responsive.
112 System Diagnostics and Troubleshooting
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.
The power switch on the device
is not turned on.
Solution
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.
If possible, replace the cable.
Replace the device.
1. Turn off the workstation.
2. Connect the cables correctly.
Be sure that all cables are properly and securely
connected.
Turn off the workstation, turn on the external device, then
turn on the workstation to integrate the device with the
workstation system.