Solving Hardware Installation Problems - HP xw9400 Service And Technical Reference Manual

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.

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 (Plug 'n Play) device, Windows XP automatically recognizes 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.
122 Chapter 5 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
1. Power off the workstation.
2. Reconnect the device to 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, and power on the external
device, then turn on the workstation to integrate the device
with the workstation system.
ENWW