How to resolve Win 11 won't completely shut down and won't restart?

Here are some things you can try.

Windows has a feature that allows users to scan for corruptions in Windows system files and restore corrupted files. I have enclosed the directions below. You can cut and paste the code.

1. Type CDM in the search box. Do not hit enter.
2. select Run as Administrator then hit enter.
3. Then type without the quotes. "DISM.exe /Online /Cleanup-image /Restorehealth" and hit enter.

On the same page run these two scans below separately.

sfc /scannow
DISM /Online /Cleanup-Image /StartComponentCleanup

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You maybe having a problem with your graphic card drivers being out of date.

You will want to make sure your computer is currently up to date.

This can be done by typing update in the search on the taskbar and opening the page.

Update the computer. Click on additional or advanced options on the same page and update if necessary.
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Uninstall and reinstall the Graphic drivers

Please type Device Manager in the search and open the page.
Click on Display Adapters. You should now see the Drivers.
You will want to right-click on the Display driver and uninstall it. not the NVIDIA Drivers if equipped on your computer).
Then restart the computer. Windows will reinstall the driver and many times fix the problem.

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You will want to go to the NVIDIA website and download the most recent drivers.
Please note: This is a user-to-user community forum. We are users just like you who help others. We are not employees of Microsoft, nor do we have access to your account information.

Sometimes the Windows Graphic will take over the Display drivers. Here is something you can try.

1, Please check with the maker of your computer such as Dell, Lenovo, HP, etc. to see if they have a bios update.

2. Lower any overclocking.
3. Disable and Enable the Driver.

Click on the Window Key and S key at the same time.
Type Device Manager and hit enter.
Click Display Adapters.
Right-click on the Nvidia graphics driver and select Disable device.
Restart the computer.

Go to the Device Manager again and click Display Adapters.
Right-click on the Nvidia graphics card, and select Properties.
Click on the Driver tab and select Enable.
Restart the computer.
See if this fixed the problem.

4, Update the NVIDIA drivers using the NVIDIA updater. Be sure to run as administrator.
https://www.nvidia.com/en-in/drivers/nvidia-upd...

If you continue to have a problem, go to the maker of your computer such as Dell, HP, etc. It is their responsibility to make sure your computer has the proper drivers so their computer will work with Windows. You will want to download the most current Display Adapter drivers. Their support can assist you if you have a problem.

Please let me know if you continue to have a problem.

Best Wishes,

Cindy

Note Standard Disclaimer: There are links to non-Microsoft websites. The pages appear to be providing accurate, safe information. Watch out for ads on the sites that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the sites before you decide to download and install it.

Well, this saved my day, no week most likely!

Next time I am in Cindy's town, a dinner at the best local restaurant is on me !!!! No joke! (and at the same time don't misunderstand my way of saying THANK YOU, it worked !!!!)

You rock! Thank you for all y'all's help but yeah this last one with going into the registry amazing. I wish I would have known that a while ago, learn something new everyday.

Thank you very much!

Thanks so much! It was the USB 3.0 controllers. Disabled said option and all is well again.

Sorry, but this (and five other hacks) did not work for me. Latest update of Win11 installed on NUC and it just will not shut down unless you press the power button on the unit for at least 20 seconds.

I'm so jealous of those for whom it worked. Help!

Update: I fixed it via the power settings in the BIOS.