I have an issue with a dell inspirion 3800 im trying to add xp to it but the cdrom wont read xp cd. ive tried and tried but it wont ,do u think let me know what i need to do to get a operating system on it.it had win 2000 but i took out hard drive put it in my other laptop (toshiba) and ran xp on it with no problem but when i put it back in the dell i get blue screen saying hard drive has problems so i put it back in toshiba and formatted it ntsc and now its back in dell and i get message NTLDR missing.I need help just want to get an os on it dont care if its 98, 2000 or whatever