Solving Usb Flash Drive Problems - Compaq 100eu - All-in-One PC Maintenance & Service Manual

Solving USB Flash Drive Problems

If you encounter USB flash drive problems, common causes and solutions are listed in the following
table.
USB flash drive is not seen as a drive letter in Windows.
Cause
The drive letter after the last physical drive is not available.
USB flash drive not found (identified).
Cause
The device is attached to a USB port that has been disabled
in Computer Setup.
The device was not properly seated before power-up.
System will not boot from USB flash drive.
Cause
Boot order is not correct.
The image on the device is not bootable.
The computer boots to DOS after making a bootable flash drive.
Cause
Flash drive is bootable.
178 Chapter 11 Troubleshooting Without Diagnostics
Solution
Change the default drive letter for the flash drive in Windows.
Solution
Run the Computer Setup utility and ensure that the USB
ports are enabled.
Ensure the device is fully inserted into the USB port before
applying power to the system
Solution
Run the Computer Setup utility and change boot sequence.
Insert a bootable device.
Solution
Install the flash drive only after the operating system boots.