USB flash drive not found (identified).
Cause | Solution |
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The device is attached to a USB port that has been hidden in | Run the Computer Setup utility and enable USB ports in |
Computer Setup. | Security > USB Security. |
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The device was not properly seated before | Ensure the device is fully inserted into the USB port before |
| applying power to the system |
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System will not boot from USB flash drive. |
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Cause | Solution |
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Boot order is not correct. | Run the Computer Setup utility and change boot sequence in |
| Storage > Boot Order. |
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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. |
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The computer boots to DOS after making a bootable flash drive.
Cause | Solution |
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Flash drive is bootable. | Install the flash drive only after the operating system boots. |
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Flash drive is defective. | Try a different flash drive. |
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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.
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. |
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The cable from the device to the computer does not work. | 1. | If possible, replace the cable. |
| 2. | Restart the computer. |
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180 | Chapter 8 Troubleshooting Without Diagnostics |