I got a laptop from a friend of mine (Compaq Presario 2700) and he had lost the recovery disks some time back. The OS seems to have a lot of bugs that I can't seem to fix. I wanted to reinstall the OS, so I went and checked the HP/Compaq drivers and updates for my machine. Problem is, they don't offer the recovery disks anymore, the laptops about 6 years old. So, my question is, can I install a copy of XP Home (that I have on another computer) by using that disk and put the XP key in thats listed on the bottom of the laptop? I didn't know if the cd key is built into the OS and it could tell that it was not the correct one or if it would work but is illegal or something. Thanks