HP EliteDesk 800 G3 Maintenance and Service Guide - Page 124
System will not boot from USB, drive., Cause, Solution, Advanced, Boot Options, Storage, Boot Order
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System will not boot from USB flash drive. Cause Boot order is not correct. Removable Media Boot is disabled in the Computer Setup utility. Solution Run the Computer Setup utility and change boot sequence in Advanced > Boot Options. Run the Computer Setup utility and enable booting to removable media in Advanced > Boot 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. 114 Chapter 6 Troubleshooting without diagnostics
![](/manual_guide/products/hewlettpackard-elitedesk-800-g3-maintenance-service-guide-31be2e7/124.png)
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
Advanced
>
Boot Options
.
Removable Media Boot is disabled in the Computer Setup utility.
Run the Computer Setup utility and enable booting to removable
media in
Advanced
>
Boot 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.
114
Chapter 6
Troubleshooting without diagnostics