How to press Del to set up as a disc boot after booting?

You want to install an operating system.

After powering on, press Del to enter the main interface of BIOS settings, and move the cursor to Advanced

BIOS Features item, press Enter, enter its submenu, move the cursor to the First Boot Device item, its default value is FLOPPY, press Enter to pop up the options menu, select CDROM, and then save to exit the BIOS to set the optical drive as the first boot device. But once you've done what you want to do, set the first boot device to the hard drive.

Most motherboards press del to enter the CMOS parameter setting interface when booting up, move the cursor to the second Advanced BIOS features, press enter to enter, move the cursor to boot device select to enter, move the cursor to 1st, press the pageup pagedown key to select cd ***, and save and exit when it is finished.

It just so happens that I'm a rookie, and I just tried to reinstall the system myself.

The specific method ——— what I said as a "rookie": after clicking del, select the second one after going to CMOS, select the second one after entering, and then press pagedown until the CD-ROM appears, and then exit, click exit when exiting, and you will be asked if you save it, save. It will automatically restart and put it into the disc.

IDE Primary Device is set to optical drive.

Sometimes you don't have this option, then you disable it, and the IDE secondly device is usually the optical drive, primary is the first, secondly is the second).

1. When booting or restarting the screen, press the corresponding button to enter the BIOS, usually del, esc, F2, etc.

2. On this interface, press the up and down arrow keys to select Advanced BIOS Features Enter;

3. Select 1st boot device or first boot device to enter;

4. Select cdrom enter, if not this interface, press f5 or pageup or plus sign to move cd *** to the first position;

5. Then set the 2nd boot device to HDD or harddrive, which means the hard disk, and finally press F10 Enter to save and restart;

6. If it is this BIOS interface, use the arrow keys to move to boot or startup, and use the "-" or "+" sign to move the option with cd *** to the first position;

7. Press F10 (F4 and F8 on some computers) to save the current settings, and press the Enter key to restart;

8. If this is the interface, select Boot Device Priority Enter;

9. Select the 1st boot device to enter, select cdrom enter, then set the 2nd boot device to hard drive, press F10 enter to save and restart.

The desktop machine assembled by yourself is generally pressed DEL, but there are many brands of computers that are not necessarily DEL, some may be F1 or FX (X stands for number), and some may also be ESC keys, and the specific need to look at the boot screen, there are prompts on the boot screen.

If it's a 32-bit system, you can just run the installer on the existing system.

There are two reasons for this:

First: it is possible to enter the setting of the BIOS button is incorrect, there is a press the del key to enter the BIOS setting, there is a press F2 or F8 to enter the setting, generally at the beginning of the boot prompt, you carefully observe;

Second: You take out the system disc in the optical drive, make sure you can enter the BIOS settings, set the first boot disk as CD-ROM, save it and then put the system disc into the boot.