HP xw4200 - Solving Front Panel Component Problems

138 SYSTEM DIAGNOSTICS AND TROUBLESHOOTING
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
Solving 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
installed.
1 Install the correct driver for the device.
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.
A device in the IEEE-1394 port is
not responsive.
Cable(s) of new external
device are loose or power
cables are unplugged.
Ensure that all cables are properly and securely
connected.
The power switch on the
device is not turned on.
Turn off the workstation, turn 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
was not purchased with the
system.
You can buy an IEEE1394 connection. Contact
an HP seller.
The IEEE-1394 cable might
not be connected to the IEEE-
1394 card.
1 Turn off the workstation.
2 Remove the access panel. See “Access
Panel” on page 77 for more information.
3 Be sure to connect the front IEEE-1394 pre-
installed cable to the IEEE-1394 card. See
“IEEE-1394 (Optional)” on page 82.