When I first installed the Linux system, I checked some information and some netizens taught me. Here is a summary for me to share with you (USB flash drive installation ).
In fact, we usually have a boot sequence when the computer is turned on. He does not directly access our operating system, so we need to modify the boot sequence. When the computer is turned on, quickly press the "F2" key to enter the "bios" interface (to press the key, and turn off the computer, please query), my computer model: asus K55VD. I quickly press the "Esc" key to enter the "boot" screen. The following figure shows the "boot" screen. select the option in the image directly (as to why not choose another option, I will not explain it. In short, I chose my USB flash drive) and press enter directly, enter the installation system interface.
Overall steps
Download a system image file.
Create a "U disk boot disk ".
Modify the startup sequence of the computer.
Start installing the system.
Create a boot disk
To create a USB disk boot disk, use the "softdisk" tool as follows: