i am trying to install windows xp on my laptop i have been trying for ages now and that well when i put the disk in the setup pops up but it wont let me click on the installation and my laptop runs on windows 7 can anyone help me ??????????
Downgrading to XP is a bad idea unless you have to.
It's less secure.
Microsoft will end all support for XP in early 2014 and you will have to upgrade back to Windows 7 or 8 then anyway unless you like living without security updates.
Windows 7 is more stable and a better overall operating system.
A laptop that came with Windows 7 may not have drivers for XP available. Make sure that you will have drivers before you do anything. XP does not just "work" like Windows 7 does. You will still have to go on a driver hunt.
If you really MUST downgrade to XP:
Go in BIOS and change the boot order to DVD/CD drive first.