.
(specifically, HP's Pavilion P6-2310)
Excerpted from http://distrowatch.com/weekly.php?issue=20121126#news
Boot machine while pressing F10
Find Secure Boot in the menu tree, ignore warnings
Disable Secure Boot feature
Enable legacy boot options
Enable specific legacy devices, such as USB devices
Save and reboot while holding down F9
If this doesn't work for your device, refer to Jesse Smith's article for clues.
Also, post your solution if some other scheme works for you.
SanDisk 512GB Ultra Luxe USB 3.2 Gen 1 Flash Drive - SDCZ74-512G-G46
$35.99
SanDisk 512GB Ultra Drive Dual Go USB Type-C Flash Drive Green SDDDC3-512G-G46G
$49.99
SanDisk 128GB Ultra Dual Drive USB Type-C, USB 3.1 Flash Drive - SDDDC2-032G-G46
$10.99
SanDisk 128GB Ultra Flair USB 3.0 Flash Drive - SDCZ73-128G-G46
$12.99
Lenovo USB 16TB 3.0 USB Flash Drive Thumb Disk Silver Transfer Metal Memory
$24.99
Mechanical Style Flash Drive USB 3.0 High Speed 16TB Large Capacity Waterproof
$8.37
Sandisk 16GB 32GB 64GB 128GB Cruzer Blade Flash Drive Memory Stick USB Lot Pack
$4.99
2TB USB 3.0 Flash Drive Memory Photo Stick for iPhone Android iPad Type C 3 IN1
$13.00
USB Flash Drive Memory Stick Pendrive Thumb Drive 4GB, 8GB, 32GB, 64GB 128GB LOT
$249.37
SanDisk Cruzer Glide USB 3.0 16GB 32GB 64GB 128GB 256GB Flash Drive Memory Lot
$276.48