When you turn on your computer, it can be use for few minutes only and suddenly shutdown or restart. It is the problem of over heat processer which is not being cooled by CPU fan properly. After few minutes it will open and being same problem.
If such type of problem came in your computer just check first that your CPU is became hot or not. After that you just open your CPU and check your CPU FAN which is properly working or not and if not then just clean it and use your computer.
If such type of problem came in your computer just check first that your CPU is became hot or not. After that you just open your CPU and check your CPU FAN which is properly working or not and if not then just clean it and use your computer.