AltGr stopped working on Windows 10? Here’s what to do

  1. Go back to the Device Manager (see the steps above) and search for the option HID-compliant mouse under Mouse.
  2. Tap on it, then press the green icon (with up arrow) to update the driver. This will update the settings and everything should return to normal.

Run a System Scan to discover potential errors

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Note: This solution is only if you have any problems with the mouse.

You have to know that the manual update of the drivers will not work always so you might have surprises even after this procedure.

It’s a lot easier and quicker to use a dedicated tool that will do that in no time automatically. The solution recommended below will repair or install missing drivers with just a few clicks.

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The Ctrl + Alt + Del hotkey is not working? Check this dedicated guide to fix this problem.

2. Add your language

  1. Click Start button then select the Settings app.
  2. Choose Time & Language then Region and Language.
    alt key not working add a language
  3. Click on Add a language under languages (as above).
  4. Choose the keyboard language you will be using from the displayed list then select Next.right altgr key not working choose keyboard layout
  5. Review the provided language features and select Install to add it.
  6. To make the new language the default one, click on it and select Set as default (primary).
    alt key not working default language

If you are yet to succeed, try removing all other keyboard layouts except the one that matches your language and see if AltGr will work.

Adding your desired input language may enable you to specify a language-preference that works with your keyboard layout and restore the correct setting of the AltGr key.

3. Restart CTFMON.EXE

  1. Press WIN+R keys. This opens the run dialog box.
  2. Type the following command then press Enter key: C:WindowsSystem32ctfmon.exectfmon.exe run dialog altgr not working
  3. That’s all. Now your AltGr key should start working.

Ctfmon.exe is the Windows process responsible for alternative user input and the Microsoft Office language bar. Restarting it could immediately solve the issue.

If you want to remove ctfmon.exe from your PC, we also have an excellent guide to help you with that.

4. Update your system

  1. Click on the Start.
  2. Select Settings then click on Update & Security.Altgr Stopped Working update and security
  3. From there select Windows Update. Click the Check for updates button.altgr key not working check for updates
  4. Reboot then see if the AltGr key works.

Are you still facing Problems with AltGr key? Perhaps it has all along been an update issue so fix it by performing the steps above.

5. Use Alternative keys

In some cases, using the combination of Shift + Caps Lock + AltGr mysteriously resolves the problem with AltGr key.

This is quite common in Lenovo laptops and a few other brands. Furthermore, you can just use the CTRL + Alt to replace your AltGr key.

There you go, we hope that our solutions helped you with the problem with AltGr key. Whether you managed to solve the issue with our solution or you have another, share the information in the comments section below.

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