Lot of 3 HP ProBook 640 G1 14" Core i3-4000M 2.4GHz 4GB RAM No HDD/Battery/OS. All 3 laptops/probooks power on. All 3 laptops have batteries in them. The batteries have not been checked or tested. The laptops do not power on without a power adapter cord. There is no power adapter included with these laptops. They do not power on unless plugged up to an adapter. All 3 laptops have a username that I am unable to change. I am also unable to get pass the username screen. All 3 laptops have not been tested to work completely. I am unaware of any other details regarding these ProBooks. Please see pictures for more possible information. Please feel free to message me if you have any questions about the item before bidding. Thanks