HP Dc5700 HP Compaq dc5700 Business PC Service Reference Guide, 1st Edition - Page 200

Solving Front Panel Component Problems, Enter Computer Setup F10

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Troubleshooting Without Diagnostics Solving Front Panel Component Problems Solving Front Panel Component Problems Problem Cause Solution A USB device, headphone, or microphone is not recognized by the computer. The 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. The cable from the device to the computer does not work. 1. If possible, replace the cable. 2. Restart the computer. The device is not working. 1. Replace the device. 2. Restart the computer. USB ports on the computer are disabled in Computer Setup. Enter Computer Setup (F10) and enable the USB ports. D-36 437804-001 Service Reference Guide, dc5700

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D–36
437804-001
Service Reference Guide, dc5700
Troubleshooting Without Diagnostics
Solving Front Panel Component Problems
Solving Front Panel Component Problems
Problem
Cause
Solution
A USB device, headphone,
or microphone is not
recognized by the
computer.
The 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.
The cable from the
device to the computer
does not work.
1. If possible, replace the cable.
2. Restart the computer.
The device is not
working.
1. Replace the device.
2. Restart the computer.
USB ports on the
computer are disabled
in Computer Setup.
Enter Computer Setup (F10) and
enable the USB ports.