Boot Option Key for different brand computer:

Mainboard Vendor		Laptop			Desktop computer
Brand	Boot Keys	Brand	Boot Keys	Tips	Brand	Boot Keys	Tips
Asus	F8	Lenovo	F12, F10, Novo button, F12+Fn+F11		Lenovo	F12, F8, F10
Gigabyte	F12	Acer	Esc, F12, F9	The "F12" must be enabled in BIOS.	HP	F12, Esc	Press Esc, then F9 for Boot Menu.
MSI	F11	Asus	ESC, F8	Disable "Fast Boot" and "Secure Boot Control" in order to boot from MBR formatted media.	Acer	F12
Biostar	F9	HP	ESC, F9	Press Esc, then F9 for Boot Menu. Select "Patriot Memory" on the Boot Option Menu.	Dell	F12
Soyo	ESC, F12	Thinkpad	F12	First disable "Secure Boot", and choose "UEFI Only" and set CSM as "Yes in "UEFI/Legacy Boot".	Asus	F8
Colorful	ESC, F11	Dell	F12	First disable "Secure Boot" and change "Boot List option" as "Legacy", enable "Load Legacy Option Rom"	Benq	F8
Intel	F10	Samsung	F12, Esc, F2	Must first disable fast boot in BIOS/UEFI to boot from USB drive or use F2 boot menu.	Tsinghua Tongfang	F12
Onda	F11	Toshiba	F12	Change "AHCI" as "complete" in Boot> Advanced> System.	Founder	F12
UNIKA	ESC	IBM	F12		Hasee	F12
ASL	F10	Gateway	F12		Founder	F12
Asrock	F11	Gigabyte	F12		Haier	F12
Foxconn	ESC, F12	Benq	F9		Compad	Esc, F9
Gamen	F11, F12	Sony	F11, ESC, F10	Enable "External Drive Boot" in "Advanced" first.	Fujitsu	F12
Topstar	F11, F12	Fujitsu	F12	The "F12" must be enabled in BIOS.
Yeston	F8	MSI	F11
CTHIM	F12	eMachines	F12
Jetway	ESC	Hasee	F12
Elite	ESC, F11	Tsinghua Tongfang	F12
Maxsun	ESC	Founder	F12
		Haier	F12
		Compad	Esc, F9

Examples:

Example 1. Set Dell laptop or computer boot from USB Drive.

Insert the USB stick into a USB port and start or restart computer. When F12 = Boot Menu appears in the upper-right corner of the screen, press <F12>. When Boot Option Menu appears, choose USB stick to boot from.

Example 2. Set HP laptop to boot from USB flash drive.

Insert USB memory stick to computer and start or restart HP computer. When HP Logo appears on screen, press F9 to enter BOOT MENU (Boot Device Options), and then choose USB memory stick to boot from.

Example 3. Set Acer laptop to boot from USB flash drive.

Insert USB memory stick to Acer laptop and start or restart Acer laptop. When Acer logo appears on screen, press F12to enter Boot Device Options, and then choose USB memory stick to boot from.

Note: For traditional BIOS, follow the examples above to set Dell/HP/Acer laptop boot from USB flash drive is OK. But for UEFI BIOS, some settings should be disabled or enabled first in BIOS (follow "Tips" in above table ), then we can set laptop or desktop boot from USB flash drive successfully with boot keys.

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