HOW TO CHANGE FIRST BOOT DEVICE
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To boot from CD-ROM or USB drive, you might need to enter your device's UEFI or BIOS setup. Most computers are set to boot directly from the hard drive. To enable booting from the CD-ROM or USB drive, you need to setup the first boot device and it should be CD-ROM or USB drive before the hard drive in the boot order.
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Computer boot order
Some actions require that you boot (this means "start") your computer from a CD/DVD or a USB drive. Most modern computers are set to boot from a hard disk drive (HHD) or Solid state Drive (SSD). To boot from Disc or USB drive, you might need to enter your device's UEFI or BIOS setup.
To boot from a CD/DVD or a USB drive, you must insert or connect the CD/DVD or USB drive first and then restart or turn on your computer.
Using boot menus for one-time boot device selection
Many computers allow choosing the boot device without entering BIOS/UEFI by pressing [F8] key before Windows starts including other operating system.
How to enter the BIOS
Press your PC’s power button and wait until you see an image appear on the monitor. Press the appropriate key repeatedly. The most common way to enter the BIOS is to press the [DELETE] key when the computer is first booted. On other systems it could be a different key.
Menu may appear depending on the BIOS manufacturer:
[F9] on HP
[F10] on Sony
[F11] on MSI
[F12] on Lenovo, Dell and Acer
[ESC] on ASUS.
If you don’t know which key to press, look for a message on screen during the POST (Power-on Self-Test) which tells you. If you miss the message, simply press Ctrl-Alt-Delete together to restart it, or hold the power button down until it turns off.
02 BIOS Default Setting
• First Boot Device: [Hard Disk]
• Second Boot Device: [CD ROM]
03 Change the Boot Order to any of this two
Change to [CD ROM] if you using CD/DVD media
If you use USB.
• Your First Boot Device should be [USB] for flash drive.
If you use CD/DVD.
• Your First Boot Device should be [CD ROM] for CD/DVD.
• Your Second Boot Device should be [Hard Disk] Drive or HDD.
07 Your PC will automatically restart
Once in the BIOS, you can use the cursor keys to navigate through the menus. There’s usually a guide somewhere on the screen showing which keys to press to make changes, save settings and exit the BIOS. Esc or F10 are commonly used keys for exiting.
Once you’ve made your changes, make sure you save the settings before exiting the BIOS. You should see a prompt, such as 'Save changes before exiting: y/n?' Hit the appropriate [Y] key then press [ENTER] and your PC should restart.
Note: Some wireless keyboard or USB keyboard may not work before Windows loads, so use a wired keyboard or PS2 keyboard if possible.
Note: Using an incorrect BIOS setting can cause a system malfunction. Please follow the BIOS guide provided with your computer motherboard. If you read these instructions and you are not sure how to change a setting, it is better to leave it as the default setting.
