This post offers some solutions, click this post fromMiniToolto get them.
Here are four main reasons that could cause ALT codes not working on Windows 10:
1.
Your registry may contain a specific key that prevents the addition of Unicode characters via the Alt key.
Third-party interference
It turns out that some known Voice over IP apps can cause this behavior.
Mumble and Discord are two applications that are usually reported this problem.
Here are the solutions.
The first solution is to enable Mouse keys when Num Lock is on.
Step 1:Press theWindowkey +Rkey to open theRundialog box.
Next, typems-configs: easeofaccess-mouseand pressEnterto open theMousetab.
If this issue is still existing, you’re free to move down to the next solution.
Step 3:Next, right-clickInput Methodand chooseNew, then chooseString Value.
Step 4:Name the newly created string value toEnableHexNumpad.
Then double-click it and set itsValue datato1and clickOK.
Step 5:At last, start your gear to make the changes take effect.
If ALT codes is still not working on Windows 10, you might try the third solution.
If you are looking for a method to fix broken registry items, this post is what you want.
It will introduce you 5 methods to repair this problem.
Solution 3: Uninstall the Interfering utility
This solution is to uninstall the interfering utility.
Steps are as follows:
Step 1:Press theWindowskey +Rkey to open theRundialog box.
Then, typeappwiz.cpland pressEnterto open thePrograms and Featuresmenu.
Step 2:Locate the tool that is causing the interference and right-click it, then chooseUninstallto uninstall it.
Step 3:Then kickstart your box and see if the issue is resolved at the next system startup.
If not, it’s possible for you to try the last solution.
Then, typecharmapand pressEnterto open theCharacter Map.
Step 2:grab the special character that you want to insert.
Then, click theSelectbutton to copy it to your clipboard.
I really hope these solutions can help you.
