How to Fix the Computer that Won't boot into Operating System

When you are working on your Computer , suddenly your computer undergoes in a state that doesn't start operating system at all just simply showing the windows loading logo & restarts again & again , there is a different thing that may affect your PC stops booting.

Here are the Common causes.

File Missing on Windows Operating system
Hardware Drivers Not Compatible
Malware or Virus Problem

Solution : after restarting your machine press F8 on your keyboard and it will show up menu , choose Safe mode and press Enter key on you keyboard. it will then Enter into safe mode, there you can check the cause of the problem .

Try disabling the antivirus.
Uninstalling unwanted program and plugins.
Update Drivers on your system.
Check your Windows Operating System is Up to date.
Do a File System check - Press Win + R on your Keyboard, it will open run - Enter CMD on it & press Enter then Enter the command chkdsk & press Enter Key on your Keyboard , by this command it will check your Hard disk for any issue.
Do a system cleanup using the CCleaner , it is the best cleanup utility for Windows to remove junk files.
Do a Malware Scan by Malwarebytes , best Malware Scanner Available.
Hijack Hunter, Free malware check tool For Windows.

What is SAFE MODE in Windows?

Safe Mode is a Troubleshooting mode on Operating System(OS), when we enter into the Windows Safe mode the windows will load the essential system programs and services only on start up.

if you want to know more about the Safe Mode in Windows i'm dropping a link below.

https://en.wikipedia.org/wiki/Safe_mode

https://support.microsoft.com/en-us/help/17419/windows-7-advanced-startup-options-safe-mode