How to Boot a Computer from CD/DVD-ROM or USB

Booting the computer from CD/DVD ROM is necessary if you want to repair the system or install a new operating system Windows.

Setting the computer to boot from a virtual CD/DVD is also necessary when you want installed Windows-7 or installing CentOS7 Linux Of virtual machine.

Briefly boot or booting is the process of loading and running software (operating system) into memory and then the computer is ready to receive commands from the user.

When the computer is turned on, processor running BIOS, Then BIOS do POST (power-on-self test), i.e. check all hardware and existing settings. BIOS will find sequence boot to run the software.

On many computers, hard drive listed as the first item in the order boot. Because hard drive is always a device that can be on-boot (unless the computer is experiencing major problems). Sometimes, for specific needs, You may have set the computer to boot from a CD/DVD.

This article will briefly explain how to boot a computer from CD/DVD-ROM or USB.

How to Boot a Computer from CD/DVD-ROM or USB

To be able to boot from CD/DVD-ROM or USB, You just need to change the order boot found in the arrangement BIOS.

You can change boot options quickly if the computer you are using provides a boot option feature with shortcut keys . Hotkeys are displayed when the computer is first started.

In general on most computers, steps to change the sequence boot is as follows:

Restart the Computer

If the computer is off, turn on the computer by pressing a physical button Power on the computer. If the computer is on, restart the computer by selecting the button Restart on the menu Power. If you can't access the Power menu, Long press the physical Power button until the computer turns off, then press again to reboot.

Enter BIOS

When a new computer turns on and displays the manufacturer's logo (DELL, Acer, HP) press the button F10 to enter the settings menu BIOS. On some computers, settings menu BIOS can be accessed by pressing a button F1, or F2, or F6, knob Esc or button Of the repeatedly until the BIOS configuration screen appears. You also need to pay attention to what appears on the screen when the computer is first turned on.

Open Boot Settings

After logging in BIOS, go to settings boot. The boot settings menu may vary depending on the brand, type, and year of computer production. In general on notebook computers: Choose Storage > Boot Options. Generally on desktop computers: Choose System Configuration > Boot Options.

Change Boot Order

In Boot Options, change the order CD-ROM Drive if you want to boot from CD/DVD-or Removable Device if you want to boot from USB Flashdisk-is in the top order.

Save BIOS Settings

Press the button F10 Then Enter to save the boot changes that have been set. After you save, The computer will automatically restart and boot from CD/DVD or USB Flashdisk.

When after the computer is restarted but cannot boot from CD/DVD, check whether CD/DVD the installation is already inside CD-ROM. For USB, Make sure that the USB has been formatted so that it can boot (Bootable USB).

Student how to create a Bootable USB for BIOS based systems And how to create Windows Bootable USB media for UEFI Systems

That's how to boot a computer from CD/DVD-ROM or USB, Hope it is useful.