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

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altgr stopped working windows 10

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

AltGr is an essential key when you want to customize your keyboard to type in another language, for instance, Spanish. But users often face problems with this key making accessing certain characters rather difficult.

If you’ve been searching for a solution for AltGr problems, you’ve come to the right place. Let’s first look at its root causes…

Causes Of The Windows 10 AltGr Stopped Working Issue

  • Windows Updates: For some reason, it seems that some Windows 10 updates interfere with the AltGr key and it occasionally ceases to work. The same reportedly happens even in Windows 8 and 8.1 resulting in the windows 10 AltGr stopped working
  • Remote Desktop Connection: Some users have complained that AltGr stopped working problem when trying to control a remote computer over a network/Internet.
  • Changing keyboard Locale: Switching keyboard locale from the current language for foreign language input may mess some important keys such as AltGr.
  • Installing some programs: Apps like virtual desktop software can sometimes also cause this problem to appear.
  • Malfunctioning hardware: If the keyboard is itself encountering functional difficulties, then some keys including the AltGr might not work.

Alt gr not working on Windows 10? Try these solutions

  1. Close/Uninstall problematic apps
  2. Add your language
  3. Restart CTFMON.EXE
  4. Update your system
  5. Use Alternative keys

1. Close/Uninstall problematic apps

I had mentioned about programs that bring about a plethora of issues including meddling with how keys such as AltGr work. Subsequently, you will likely get rid of the issue by simply disabling/uninstalling such programs.

ASUS GPU Tweak, remote desktop application, Synaptics driver, and VMWare-like utilities such as HyperV have been mentioned in this regard.

Close your Remote Desktop

In most cases, you’ll need to shut your RDP(remote desktop) to get the key to work again. To temporarily disconnect from your session, click the Close option on the connections bar (See the horizontal bar near the top of the screen).

Tip: Press Alt+Enter to easily bring your RDP window to the foreground if you’re struggling to view it in full screen.

Disable Hyper-V

  1. Press the Windows key + X key then click Apps and Features.
  2. Scroll down and locate the Programs and Features Click on it.
  3. On the left side, select Turn Windows features on / off.turn windows features on or off altgr not working
  4. Find the Hyper-V option then uncheck it.altgr key hyper-V disable
  5. Click OK and reboot.

Uninstall Synaptics

  1. Press the Windows + X and choose Device Manager.
  2. Look for and Right-click on the Synaptic device driver.synaptics driver altgr key turn off
  3. Then select Uninstall device.uninstall device AltGr not working
  4. Uninstall all other instances of the Synaptics device to remove the driver completely.
  5. You may even have to go to the Add/Remove Programs section to again uninstall Synaptics (see how you can easily uninstall programs in Windows 10)
  6. Reboot and verify whether the AltGr key has resumed normal functionality.

If by any chance you run into issues with the mouse, use your touch option to navigate as follows and repair it:

  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.altgr stopped working device manager

2. Add your language

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.

  1. Click Start button then select Settings app.altgr key not working start menu
  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.


3. Restart CTFMON.EXE

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

  1. Press WIN+R keys. This opens the run dialog box.
  2. Type the following command then press Enter key:
    • C:\Windows\System32\ctfmon.exectfmon.exe run dialog altgr not working
  1. That’s all. Now your AltGr key should start working.

4. Update your system

Are you still facing Problems with AltGr key? Perhaps it has all along been an update issue. Here is how to solve the problem:

  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.

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.

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