Installing Windows on a USB flash drive

i want to install windows 7 in my dell inspiron n4050,it came with the preinstalled ubuntu,..i do not know how to install windows 7 on my laptop as i want to use windows 7 intead of ubuntu..plz if anybody can help,..i have an iso file on my usb of windows

Would it be possible to install Windows 7 x64 Ultimate onto my 32GB USB Flash Drive as a portable OS on the go? I'm not talking about creating a Windows 7 Installation USB Flash Drive as an alternative to a DVD Installation, I'm talking about being able to have Windows 7 x64 Ultimate OS on a USB...

I want to have a Windows 7 installation that can be booted from a hard disk in a USB caddy or a USB flash drive / SHDC card. So I am installing to a USB connected drive. I have created a bootable USB flash drive with the Windows 7 install DVD contents on it, so I am in a position to install to...

im having problems installing from my flash drive, everything seems to work fine up untill the point where windows gathers the information. It tells me "A required CD/DVD drive device driver is missing. If you have a driver floppy disk, CD, DVD or USB flash drive, please insert now." and i...

I have properly configured a USB flash drive to make it bootable, put the files from the W7 install image on it and can boot from it and install W7 on my computer. All good so far. But I have an extra 5 GB of space on this flash drive and I would like to put some other useful programs on it, if...