It is necessary to have a proper BIOS setting and to understand the order in which the computer is started. The computer starts with the first boot device, then the second and third boot devices. So how do you set the boot order for the device?
First, select Advanced BIOS feature entry in the BIOS Setup home page. Then select the device entry in the interface and press the "Enter" key to set the arrow keys in the pop-up interface. For example, the CD-ROM settings, select the CD-ROM and press the "Enter" button can be. Finally, return to the main interface to save and exit.
The second device means that when the first device of the system does not start properly, the system automatically chooses the second boot device and sets the following method:
In the BIOS interface, select the Advanced BIOS feature entry, select the second Boot device entry in this interface, in the pop-up window with the direction key to set up, after the completion of the Save and exit.
The third boot entry is set up as follows:
After entering the Advanced BIOS feature, select third Boot device entry, press "Enter" to confirm, and then use the arrow keys to select to set, save and exit after the setup is complete.