HP 505B Maintenance & Service Guide: Compaq 500B and 505B Minitower Busine - Page 87

Solving Front Panel Component Problems

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Table C-11 Solving CD-ROM and DVD Problems (continued) An optical drive cannot read a CD or DVD disc. Cause Solution Windows does not detect the DVD-ROM drive. 1. Use Device Manager to remove or uninstall the device. 2. Restart the computer and let Windows detect the device. The disc is damaged or corrupted. Obtain a replacement disk. Cannot eject a disc. Cause The disc is not properly seated in the drive. Solution Shut down the computer and insert a thin metal rod into the emergency eject hole and push firmly. Slowly pull the tray out from the drive until the tray is fully extended, then remove the disc. 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. Table C-12 Solving Front Panel Component Problems A USB device is not recognized by the computer. Cause Solution 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 headphone or microphone is not working. Cause The cable from the device to the computer is faulty. The correct driver is not installed. Solution Replace the cable. Reinstall the driver and restart the computer. Solving Front Panel Component Problems 79

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An optical drive cannot read a CD or DVD disc.
Cause
Solution
Windows does not detect the DVD-ROM drive.
1.
Use Device Manager to remove or uninstall the device.
2.
Restart the computer and let Windows detect the device.
The disc is damaged or corrupted.
Obtain a replacement disk.
Cannot eject a disc.
Cause
Solution
The disc is not properly seated in the drive.
Shut down the computer and insert a thin metal rod into the
emergency eject hole and push firmly. Slowly pull the tray out
from the drive until the tray is fully extended, then remove the
disc.
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.
Table C-12
Solving Front Panel Component Problems
A USB device is not recognized by the computer.
Cause
Solution
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 headphone or microphone is not working.
Cause
Solution
The cable from the device to the computer is faulty.
Replace the cable.
The correct driver is not installed.
Reinstall the driver and restart the computer.
Table C-11
Solving CD-ROM and DVD Problems (continued)
Solving Front Panel Component Problems
79