Restore Disk set for Sony VGN-N220E Series. This is a copy of the original Sony Recovery DVD set for this model with Windows Vista Home Premium pre-installed. If you have any questions please ask before buying. You MUST provide a full model/part number and serial number with your order to verify the DVD's will work with your machine. There are no refunds on this item. If you do not see your model listed, please email us with your request.