The system boots from the optical drive, how to boot from the optical drive

Hurry up and press the delete key or del key on the keyboard (some computers press the F2 or Ctrl+Alt+ESC key, and some use the F10 key and F12 key, there are generally prompts on the boot screen, and you can also check the motherboard manual; When setting up the BIOS, some machines may enter differently, but the main interface is similar, and some have to enter the next level menu to set, you can move the cursor to each project to enter and find it slowly, and there are settings to start the project from the optical drive. Others are more concise, press F12 to enter, and three arrangement interfaces appear: 1. CD-ROM; 2、floppy disk；3、hard disk。

Move the cursor over the cd-rom and press enter to boot from the CD-ROM drive. So you have to look at the prompt at the bottom of the desktop when you just start the computer, which has the words del, press del to enter, f12, press f12 to enter, etc.), you can enter the "CMOS setup utility" interface:

In the BIOS settings screen, you can only use the keys on your keyboard or the arrow keys.

Move the cursor over the Advanced BIOS Features item and press Enter. The Advanced BIOS Features submenu screen appears

In this interface, there are three items: first boot device, second boot device, and third boot device, which are to set the boot order of the boot device. Move the cursor over the first boot device, the default value is floppy, indicating that the first boot device is a floppy drive. Press the Enter key and the optional boot device interface will appear:

There are a lot of equipment to choose from here. HDD-0 represents the hard disk, CDROM represents the optical drive, and Floppy represents the floppy drive (a device can only appear in one boot sequence, that is, the first boot device and the second boot device and the third boot device cannot use the same device).

Suppose you want to set up boot from an optical drive.

Move the cursor over the cdrom item and press Enter. It's back to the settings screen.

Press the F10 key to quickly bring up the save settings dialog box, press the enter key directly, and the computer will continue to boot.

This is the end of the setup.

The system boots from the hard drive.

The disc is driven from an optical drive.

You can press the startup item hotkey to choose to boot from the optical drive.

Boot generally press a few more F12 will have a startup item selection,Just select the optical drive,In addition, the notebook can generally press F2 to enter the BIOS for startup item settings,Turn the optical drive boot to the first order,Desktops generally press del to enter the BIOS,I don't understand and then send a message to ask me。