It also contributes to extending the battery life if you are using a laptop. Yes, this is a good feature of every computer system which helps to save energy by putting the computer in sleep mode if you are leaving it ideal for a long time. Methods to fix for “Windows 10 Shuts Down Unexpectedly” Method-1: Turn off the sleep mode in your system We can’t say which thing causes this shutdown issue on your Windows 10 system, so we can only apply some tricks and then hope not to face the issue again. Possible reasons that may cause the problem of ‘Computer randomly shuts off’ If you are annoyed from the Windows 10 random shutdown, then check these methods below to solve it. This can be neglectable until it happens daily or too frequently. Due to the failure of hardware or software or both, every computer user has to face this problem at least for once in a time. Don’t tell me that you never faced a single unprompted shutdown or reboot of your computer system.