Troubleshooting Guide
Troubleshooting Guide www.hp.com 2–41
Troubleshooting Without Diagnostics
Solving Drive Key Problems
If you encounter Drive Key problems, common causes and solutions 
are listed in the following table.
Solving Front Panel Component Problems
If you encounter problems with devices connected to the front panel, 
refer to the common causes and solutions listed in the following table.
Solving Drive Key Problems
Problem Cause Solution
Drive Key is not seen as a 
drive letter in Windows XP.
The drive letter after the 
last physical drive is not 
available.
Change the default drive letter for 
the Drive Key in Windows XP.
The computer boots to DOS 
after making a bootable 
Drive Key.
Drive Key is bootable. Install the Drive Key only after the 
operating system boots.
Solving Front Panel Component Problems 
Problem Cause Solution
A USB device, headphone, 
or microphone is not 
recognized by the 
computer.
Device is not properly 
connected.
1. Turn off the computer.
2. Reconnect the device to the front 
of the computer and restart the 
computer.
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 
computer.










