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leblanc

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cannot log back in after win 10 update

I did the Win 10 update and after that, I cannot log back in. It gives me an error message saying that the OS was not loaded correctly and needed a reboot. I did that several times. Now, it booted up and I saw the screen but my mouse are not working to click on anything. My laptop is a Thinkpad T540P. How do I get back to Win previous state.
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Dr. Klahn

Can you get the system into Safe Mode by any of the possible methods?

Side note:  It is useful to re-enable the legacy method of F8 at system boot in Windows 10 for these situations.  Bring up a privileged command prompt and type bcdedit /set {default} bootmenupolicy legacy.  But that is for later once the system is running again.
Use the tab key to navigate at the login screen to start the ease of access, to enable keyboard based mouse controls.

Windows key + can get you rolled back, but it might be a driver issue....

Do you gave access to an external mouse, wired/wireless that you can use?

Another option, make sure they mouse pad is not disabled.
Do you have both, mouse pad and the .......

Personally, I as suggested above, would enable mouse control through ease of access (control panel) after login.
Then look at devices to see if there is an indicated error for a device, mouse.
Rescan system for changes........

Fn+F5 might be disable touch-pad.
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ASKER

I have external wireless mouse and keyboard and only the mouse is working. So I could not enter my password to log into Windows.
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arnold
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ASKER

I was able to use my mouse and reinstall the driver. Thank you very much