However, sometimes they don’t work as expected and can be difficult to troubleshoot.

This guide will explain what causes this problem and how to fix it.

What Causes Windows ALT Codes to Not Work?

Laptop on Table Top

The most common reason for ALT codes not working is that the number lock setting has been turned off.

Another cause of this problem is incorrect language configs on Windows.

The problem may also occur due to conflicting background programs, outdated software drivers, or hardware compatibility glitches.

Turn On the Mouse keys

If you are experiencing this issue, here are some tips for resolving it.

This is an easy fix for many ALT code problems.

The method involves pressing theleft ALT + left SHIFT + NUM LOCKkeys simultaneously on your keyboard.

Enable HexNumpad in Registry

In the popup menu that appears, clickYesand Mouse Keys will be enabled.

At the next system startup, try using ALT codes again to see if it resolves the issue.

In that case, you may need to enable Unicode character input.

Try a Different Keyboard Layout

This is a more advanced solution and requires some familiarity with the Windows registry editor.

If you are uncomfortable working with your gear’s registry, get professional assistance.

You should alsoback up your Windows registrybefore making any changes.

Perform-a-Clean-Boot-1

To get started, go through this:

4.

To do this, do these things:

5.

Here’s how to do it:

After selecting one, clickApply, thenOK, and kickstart your system.

Hide all Microsoft services

Now try using ALT codes again to see if they work now.

In this case, you could rely on the information above to help you patch up the problem.