installing Kali from USB ?!!

I want to install Kali on my hard drive so i wont waste time plugging and unplugging the USB.

when i go on and click on graphical install or just install, i notice something at the beginning it doesn't last long before disappearing ,, it goes something like failed to mount media , mount unmount dev/sda no arguments stuff like that,,

and if i continue with the installation, At some point it is detecting and mounting CD-ROM drives. As I have no CD-drive or any ROM-drive on my laptop, i don't know what to do?