I delete my device for sd

it delete the device for sd, what do I do for has it again?, my computer is
windows vista home

"help me" <help me@discussions.microsoft.com> wrote in message
news:0DB20204-FA4F-4424-B265-D563C8071FA4@microsoft.com...
> it delete the device for sd, what do I do for has it again?, my computer
> is
> windows vista home
First, what is "sd"??
Secondly, What is " it " ??
Thirdly, What did you mean " -- what do I do for has it again " ???
I don't believe anyone, except yourself, knows what you were saying.
Please use simple sentences, and explain one more time what is your problem.