The first device in the order list has the first boot priority.įor example, to boot from a CD-ROM drive instead of a hard drive, place the CD-ROM drive ahead of it in the priority list. You can configure the order that your computer searches these physical devices for the boot sequence. A typical method to access the BIOS settings screen is to press ESC, F1, F2, F8, F10 or Del during the boot sequence.īIOS settings allow you to run a boot sequence from a removable disk, a hard drive, a CD-ROM drive or an external device. BIOS BootīIOS (Basic Input Output Subsystem) is a programmable chip that controls how information being passed to various devices in the computer system. To boot from a CD, DVD or USB device, make sure that the device has the boot sequence priority over the hard drive.
