HP Dx2250 HP Compaq dx2250 Business PC, Service Reference Guide, 1st Edition - Page 155
Solving Front Panel Component Problems
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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 D-17 Solving Front Panel Component Problems A USB device, headphone, or microphone is not recognized by the computer. Cause Solution Device is not properly connected. 1. Turn off the computer. 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. 2. Reconnect the device to the front of the computer and restart the computer. 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 computer. 1. If possible, replace the cable. 2. Restart the computer. 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. ENWW Solving Front Panel Component Problems 149