Have you ever been in the situation when Mac freezes on startup? If yes and you don't know that what should i do in this situation then you have come to right place. This post will teach you that how to deal with this problem in Mac computer. Generally when Mac freezes on startup, the users are worrying about the data which are stored in the computer. Yes of course it is a matter of worry about data as this problems might be responsible for the loss of your data. Well, it is informed you that this issue Mac freezes on startup is faced by the other Mac users also. If you haven't installed the operating system correctly and due to corruption of some system files then you may get this problem in your Mac computer. Sometimes if any application software has been crashed in the system then it also results to Mac freezes on startup. When you observe this issue then you have to take help of the disk utility which examines the status of Mac hard disk whether it is working or not. You need to open the Mac computer in a safe mode to sort out this problem. Due to Mac freezes on startup if you loss nay data from your Mac computer then it would be good to use Mac data recovery software and get back the data.