Table 10-15Solving USB Flash Drive Problems

USB flash drive is not seen as a drive letter in Windows.

Cause

Solution

 

 

The drive letter after the last physical drive is not available.

Change the default drive letter for the flash drive in Windows.

 

 

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 enable USB ports in

Computer Setup.

Security > USB 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.

 

 

Flash drive is defective.

Try a different flash drive.

 

 

286 Chapter 10 Troubleshooting Without Diagnostics