The use of mouse keys is not permitted when Num lock is on, which can be one of the main reasons.Ģ. Mouse keys don’t work when Num Lock is on Here are four main reasons that could cause ALT codes not working on Windows 10:ġ. It turns out that this particular problem can come from many different reasons.
Reasons for ALT Codes Not Working on Windows 10
This post offers some solutions, click this post from MiniTool to get them. Sometimes you may encounter that your ALT codes not working on Windows 10 and the output is exactly the same character regardless of the alt code that is being entered.