Windows 10: Unable to boot the OS from disk

Error message: An operating system wasn't foind. Try disconnecting any drives that don't contain an operating system.

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Unable to boot the computer.

Hi Samid,

Thank you for posting your query on Microsoft Community.

Before we proceed, we would require more information to assist you further.

• 
  What is the make and model of your computer?
  

I suggest you check if you are able to boot into Windows Recovery Environment using installation media. Follow the steps provided below and check.

• • Insert the installation USB and boot Windows 10 from it.
  • In the ‘Windows setup’ page select the ‘language to install’, ‘Time and currency format’ and the ‘keyboard or input method’ and click on ‘next’.
  • Click on ‘Repair your computer’ and select ‘Troubleshoot’.

Check if you are able to boot to this window. If you are unable to boot to this window, I suggest you to contact the manufacturer and check.

Hope this information is helpful. Reply us with this information to assist you further.

Thank you.

 

Unable to boot into Windows - Disk Corrupted

• If your BIOS was set to UEFI then Windows was installed using GPT partition scheme. There are 2 modes to boot the USB from: Legacy and UEFI, you should not change the BIOS setting to Legacy.
• BootRec /FixMbr and BootRec /FixBoot only work with MBR partition scheme, yours is GPT
  

1. Download: Rescue.V6.1.1311.iso - Google Drive and use Rufus to create a bootable USB with format: FAT32, MBR partition scheme for BIOS or UEFI
   
   
   
2. set your BIOS back to UEFI and boot up from the USB (select UEFI boot mode).
3. Click on "Fix Windows boot problems"
   
   
   
   

 

Windows update failed and unable to boot

Hi Chrissy,

To assist you better help us with the information below.

• Have you made any recent software/hardware changes to the computer?
• Do you get any error message or code when trying to boot into the computer?

When installing updates it puts message “Do not shut down your machine”, if you unplug the AC adapter or turn off the computer Chances are:

• Windows resuming the installation process next time you shutdown.
• A non-vital program file becomes corrupted and causes some feature of the OS to become unusable and crash.

As an initial step I would suggest you to unplug all external devices if connected and then try to boot the computer by plugging in the AC adapter and check if you are able to boot the computer.

If the computer boots make sure all the updates are installed and then you can login to user Interface.

If you still not able to unable to get the in Windows Bootable environment I Would suggest you contact your manufacturer.

Get back to us if your require more help on this query.

Thank you.