My HP-17-in Laptop, boot from CD
1 - Shift + RESTART
2 - TROUBLESHOOTING
3 - UEFI Firmware Settings
RESTART
5 - F9
6 - Internal CD-DVD
To enter BIOS Settings
1 - Shift + RESTART
2 - TROUBLESHOOTING
3 - UEFI Firmware Settings
RESTART
5 - F9
6 - F10 BIOS Settings