If you have a freezer that has been unplugged, there are a few things you can do to clean it. First, make sure all of the food is removed from the freezer. This includes anything that may have been stored in the freezer, such as meat, poultry, and eggs. Next, use a vacuum cleaner to suck all of the air out of the freezer. This will help to clean any dirt and debris that may have built up over time. Finally, use a mild soap and water to clean the inside of the freezer door and any other areas that may be affected by bacteria.