You are incredibly stupid/ or out of touch with today's internet world.
Tell him you didnt get any money and if you dont hear back from him in however many days it says you give people to pay for the item file an ebay claim and re list your item that simple.
It's a scam...fake paypal e-mail...same exact thing happened to me when i was selling my 360 on ebay.
do not ship the laptop until you have money in your paypal.
Ok that's all I wanted to know. I just wanted to know if I could just ignore all this and just try to sell it again is all.
foward that email to the paypal fraud task force.