Hi burgendybug
My name is Andre Da Costa; an Independent Consultant, Windows Insider MVP and Windows & Devices for IT MVP. I'm here to help you with your problem.
Option 1
Go to another working computer, download then install Macrium Reflect Free and create bootable Rescue Flash Drive.
Boot from it and click on 'fix windows boot problems'
Make sure bios is set to uefi or legacy bios depending on how it was installed.
See instructions how to download it:
https://www.groovypost.com/howto/create-windows...
See the section: Create Rescue Media
Option 2
First of all, if you have any non-essential hardware attached to your computer apart from mouse and keyboard, disconnect them.
See if the system boots successfully, if it does not, carry out the following steps
Power on and off your computer three times
How do you do that?
Power on, when you see the Windows Logo - power off
Power on, when you see the Windows Logo - power off
Power on, it will then your computer will boot into the Advanced Recovery environment
You might be asked to sign in with your Microsoft Account or Local Account password.
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Click Advanced Options
Click Troubleshoot
Click Advanced Options
Click System Restore, see if you can go back to an earlier time.
If not, boot into the recovery environment again, then try performing a startup repair.
Perform the startup repair a couple more times then restart again to see if you are able to boot to the desktop successfully.
If that does not work, boot into the recovery environment, then click 'Go back to previous version of Windows' - choose this option if you recently upgraded to a new Windows 10 Feature Update. If this option is not available, you can skip this step.
Option 3
If that does not work.
Power on and off your computer three times
On the third time, your computer will boot into the Advanced Recovery environment
Click Advanced Options
Click Troubleshoot
Click Reset this PC
Click Keep my files
Choose your account
Enter your password
Click Continue
Click Reset
Option 4
If that does not work.
Go to a working computer, download, create a bootable copy, then perform a clean install.
Step 1: How to download official Windows 10 ISO files
http://answers.microsoft.com/en-us/windows/wiki...
Step 2: How to: Perform a clean install of Windows 10
http://answers.microsoft.com/en-us/insider/wiki...
If there are files on the drive you want to recover, see - How to: Perform a Custom install of Windows 10
http://answers.microsoft.com/en-us/insider/wiki...
Step 4: how to recover your files from Windows.old:
https://answers.microsoft.com/en-us/windows/for...
