Can I Reinstall Windows From Usb Externalcd Intel Atom,How To Reinstall Windows XP Without Using DVD Drive?

Intel atom,How to reinstall windows XP without using DVD drive? - can i reinstall windows from usb externalcd

Can anyone pls help me how do I reformat my laptop without using the Intel Atom DVD player? How do you reinstall Windows with a USB stick or external HHD to? Pls help. Thank you!