What will you do to install computer with unplugged memory and hard disk as first boot device?

u should install first Memory/hdd for OS, then u choose from boot menu and change first boot device as CD ROM/Removeable Disk/Network mode for installing os

means1st install memory

Go to restart and start up press F9 Boot and running DVD R then will be install.
Thanks

in the first i will plugged memory in the computer in the correct way .

second : i pres in the key of the keybord to make a boot from CD Rom for press delete key or one of the F Key there defirent from the model of the computer

i will enter to setup menu and enter to boot menu and chang first boot from hard disk to mass storge

you can access to bios setup and change the first boot from hard disque to amovible media or you can choose directly what is the device would you boot (for exemple in hp laptops press F9 in the starting of pc , menu will display what is the device you want to boot from choose the amovible disk )