I bought Samsung a notebook and I am trying to install windows 7 via an external dvd and the notebook cannot recognize the ext

[Joe Kiratu]

New Dos notebook not recognizing external dvd rom for Windows 7 installation.

 

[Phillip Corcoran]

Since your laptop already has a bootable drive (the hard drive), and If the DVD drive is connected by a USB cable, you need to set "USB" as the first boot device in BIOS Setup, or use the quick-access boot device menu (usually by pressing F12).