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USB flash drive not found (identified).
Cause Solution
The device is attached to a USB port that has been hidden in
Computer Setup.
Run the Computer Setup utility and ensure that “Device
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
utility.
Run the Computer Setup utility and enable booting to
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 USB Flash Drive Problems 301