I have an hp 530 laptop that I have lost the original recovery disks for. I do have a dell oem disk that loads on but as it doesn`t recognise the hp bios and is looking to be activated in 30 days. Can i get around this by simply changing the key to an hp number ? If not is it just a matter of altering the $oem$ file in the disk to make it work for an hp machine ? The disk i have is the ultimate version if that helps any. Just new to this so apologise if this is very vague and foolish. cheers.