how do i reset it back to new?

This could be because the hard drive is not being seen under cmos, can you go into cmos and check that the hard drive is visible on the cmos settings, and that the boot oredr is correct to boot from hard drive
need help ? chris compdoctor2005@btinternet.com FREE

NTDLR is a system file for initial boot up

Chris F
August 2008