Here is the information on
Asus Backtracker You can download your owners manual
Asus Support Download I'm not sure on the G751 but G75 used F9 on boot up for recovery install. You Manual will have this information. They have these digital owners manuals in many languages. Your English in not too bad I got what you needed.
G752VY-DH72 Win 10 Pro
512 GB M.2 Samsung 960 Pro
1 TB Samsung 850 pro 2.5 format
980m GTX 4 GB
32GB DDR 4 Standard RAM
Z97 PRO WiFi I7 4790K
Windows 10 Pro
Z97 -A
Windows 10 Pro