How to perform a repair installation of Windows 10 if the current installation won't boot

Hi,

In older version of Windows, I can boot from DVD/USB installation media and choose a repair installation.

In Windows 10, when I boot from USB, it says "It looks like you started an upgrade and booted from installation media.  If you want to continue with the upgrade, remove the media from your PC and click Yes.  If you want to perform a clean installation instead, click No."

I tried to click No and went into advanced options.  I can find repair, restore, recover from image etc.  But I can't seem to find a way to install but keeping all my apps and files.

Am I missing something?  Or this function is no longer available?

Thanks

See:

https://www.groovypost.com/howto/fix-windows-10-wont-boot-startup-repair-bootrec/ 

You could also perform a custom install then recover your personal files from Windows.old, but you would have to reinstall your apps:

Best,
Andre
Windows Insider MVP
MVP-Windows and Devices for IT
twitter/adacosta
groovypost.com

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I think that saves the files aside but won't keep any applications or settings.  So it's not a repair installation

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The first link gives you options you can try to repair the installation.

The second link is more about cutting your losses and salvaging the data.

Best,
Andre
Windows Insider MVP
MVP-Windows and Devices for IT
twitter/adacosta
groovypost.com

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Neither.  I'd want an option to install over (not clean) existing installation, keeping my app and data.  This can be done if the system is bootable (run setup.exe within the system).  But I'm looking for the procedure when system does not boot

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You are not reading and understanding. If you want to get the installation booting again to the desktop, you have to do the following:

https://www.groovypost.com/howto/fix-windows-10-wont-boot-startup-repair-bootrec/ 

Best,
Andre
Windows Insider MVP
MVP-Windows and Devices for IT
twitter/adacosta
groovypost.com

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You are not reading and understanding. If you want to get the installation booting again to the desktop, you have to do the following:

https://www.groovypost.com/howto/fix-windows-10-wont-boot-startup-repair-bootrec/ 

This is 3TB hard drive that requires UEFI, so MBR won't work.

But what am I not understanding?

1. In order to to an installation without losing application or personal data, I need to boot into the system first.  But I can't -- the system won't boot

2. If I boot from an installation media (USB), it won't give me option to install as an upgrade (without losing applications and data).  The installation process will preserve the old system into Windows.old but I will have to reinstall all the applications and copy data out.

Am I missing anything?

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I want you to boot into the recovery environment so you can perform repairs to get the system booting again to the desktop so you don't have to perform a clean install.
Best,
Andre
Windows Insider MVP
MVP-Windows and Devices for IT
twitter/adacosta
groovypost.com

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I've tried various way but the system won't show a logon.  It stuck with hourglass on black screen.  I've read the trick and tried to enter my password a few times but it won't go any where.

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RedHonker,

Your memory is playing tricks on you.  Repair installs have always been something limited to running within an existing Windows installation [using File explorer to navigate to the installation disk then running its setup.exe file].

Repair installs do achieve what you want but since you cannot boot, that option is not available to you.

If the current installation does not boot then "Startup repairs" as stated by Andre might rescue the situation.  They are not the same as a Repair install.

These threads address the black screen issue -

Bootmgr is missing message or black screen with blinking cursor or error message - JWS Wiki

Fix for windows 10 booting to a black screen Solved - TenForums

The other options available to you are to restore a system image for the entire disk or use Recovery options in Windows 10 - Windows Help or use your installation disk to reinstall Windows 10. 

Denis

Try*3 - a user
Dell Inspirons 7779, 1545, 9300; Windows 10 Home x64 & Pro x86; Office Pro 2007; HP DJ2540; HTC UPlay [Android 6.0], MyPhoneExplorer

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OK, that might well be.  I thought repair installation is available at least in Windows 7.

My boot problem is slight different (tried those but not solved).  I will post a separate thread then.

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Last updated May 30, 2020 Views 14,234 Applies to: