Because the hard drive was in use when you moved the laptop.
Terry

"Samuel Shulman" <samuel.shulman@ntlworld.com> wrote in message 
news:Ja4Yh.383$8E.55@newsfe5-win.ntli.net...
> Whenever my laptop moves I get the following message: Vibration has been 
> detected in the PC the hard disk drive head is temporarily moved to a safe 
> position
>
> I can check the box of Don't show me this message  but why do I get it in 
> the first place
>
> Thank you,
> Samuel
>