.
(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.
Western Digital WD60PURZ 6TB Hard Drive SATA6 Gb/s 64MB Cache 3.5 Inch
$109.99
WF12F DELL 1TB 7.2K 6GBPS SATA 2.5'' HDD HARD DRIVE ST91000640NS 0WF12F
$25.00
Seagate Exos X16 ST14000NM001G 14TB 512E SATA 6Gb/s 3.5" Enterprise Hard Drive
$169.99
HGST Ultrastar DC HC520 12TB SATA 6Gb 256MB 3.5" Enterprise HDD- HUH721212ALE601
$82.99
Seagate Exos 7E10 ST2000NM000B 2TB 7200RPM SATA 6.0Gb/s 3.5" Internal Hard Drive
$29.99
2 PACK Seagate ST1000LM035 Mobile HDD 1TB 2.5" SATA III Laptop Hard Drive
$26.85
Western Digital WD5000LPLX 500GB 2.5" SATA 32MB 6Gb/s 7200RPM Laptop Hard Drive
$7.99
Seagate Exos 14 TB SATA 6Gb/s 256 MB 7200 rpm Hard Drive HDD
$130.00
Seagate 12TB 7.2K SAS 12G 3.5" Hard Drive HDD ST12000NM004J WL
$85.00