[FIX] Windows fails to boot
There are times when your OS (Windows 10) fails to load. This can happen due to the variety of reasons like a corrupted system file, Master Boot record etc. When you try to use the computer either of the two things happens:
- A continuous loop of Boot Screen of Windows.
- You get a message that Windows did not start correctly.
CASE-1 You cannot get to the desktop.
CASE 2- Windows did not start correctly
Method 1: Run a startup repair
- Click on troubleshoot on the right and it should open up plenty of options. You need to select Automatic repair and then Proceed.
- The system would reboot and then your PC would be diagnosed.
- Enter your Username and Password if prompted. Click on next.
- If it is successful, Windows would automatically reboot to desktop. If it doesn’t we need to try other options. You would be told though if it was successful.
- If it fails for the first time, run it twice. There are reports that Startup repair takes 3 attempts to repair files.
Method 2- Running a Disk check
- Navigate to the troubleshooting section again and Select Command Prompt on right.
- Enter your username and password if prompted. This opens a new Admin Command Prompt Window. Enter the following command to run the disk check:
- chkdsk /r
- It might take hours to finish, depending on the level of corruption.
- If it is successful, your system would boot to the desktop on next reboot.
Method 3- If the PC shows BCD/MBR is corrupt
- If method 2 and 1 did not help and the PC says you need to fix BCD/ MBR as shown here, then this step is exclusively for you. Other users can also try this in case, it fixes the things. Master boot record and Boot configuration file stores the data about the OS location.
- Navigate to the same troubleshoot Section and select Command Prompt- Present on the right. It opens a new command Prompt Window.
- Now enter the following commands one by one to fix the Master boot record:
- BOOTREC /FIXMBR
- BOOTREC /FIXBCD
- BOOTREC /FIXBOOT
- BOOTSECT /NT60 ALL
Restart and you should be good to go. If it doesn’t help. You can try repeating the same steps by entering the following command instead of the above 4:
Substitute C: with the drive where Windows is installed.
Method 4: System Image recovery
- On the same troubleshooting section, click on System Image recovery.
- Now Windows would scan your PC for target operating system. Select the respective Windows
- Windows would then restore your system Image.
Method 5- Resetting your PC
- Navigate to Troubleshooting section, again.
- Select Reset. Now you are prompted with 2 or 3 options as here:
If you select keep my files, your files would be kept. You might also get the third option-restore to factory settings-which isn’t applicable on the PC.
If you select remove my files as well, you are asked the following:
- Click on Reset and the resetting should begin.
Method 7- Clean Install
A Clean Install is the best method when nothing helps. Just boot from a Windows 10 media and run the setup. Format the drive for best results and you are good to go! The following article by Greg Camarack explains this in detail:
Residing from Chandigarh India, Sumit is a Windows Insider MVP awarded for the first time in 2018. He is also an Independent advisor for Microsoft customers and helps voluntarily as well on the forums.