HP D3K72UT D3K72UT#ABA manual Solving Front Panel Component Problems

USB flash drive not found (identified).

Cause	Solution
The device is attached to a USB port that has been hidden in	Run the Computer Setup utility and ensure that “Device
Computer Setup.	available” is selected for “Front USB Ports” and “Rear USB
	Ports” under Security > Device Security.
The device was not properly seated before power-up.	Ensure the device is fully inserted into the USB port before
	applying power to the system
System will not boot from USB flash drive.
Cause	Solution
Boot order is not correct.	Run the Computer Setup utility and change boot sequence in
	Storage > Boot Order.
Removable Media Boot is disabled in the Computer Setup	Run the Computer Setup utility and enable booting to
utility.	removable media in Storage > Storage Options. Ensure
	USB is enabled in Storage > Boot Order.

The computer boots to DOS after making a bootable flash drive.

Cause	Solution
Flash drive is bootable.	Install the flash drive only after the operating system boots.

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-17Solving 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.
	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.

Solving Front Panel Component Problems 173