Why does the Alt+Space keyboard shorcut not work on Windows 10 to open system menu?

Question

From Windows 3.1 (probably earlier) all the way to Windows 8.1, when I'm in a program, if I press Alt+Space, I get the system menu (the menu popup which has menu items like Restore, Move, Size, Maximize, Minimize).

Now, after 25+ years using Windows, this keystroke is hardwired into my fingers and I found out just now that Alt+Space doesn't work on Windows 10 Build 1803. I can still show the system menu by clicking on the system menu (top left corner) but I need a keyboard shortcut for times when the title bar is not visible.

Is there a way to enable this behavior for all programs/windows ?

Update 2:

I noticed that I use Alt+Space outside of the Chrome scenario. E.g.: Notepad window is too small, so I try Alt+Space+X to maximize the window, etc. So, I am really missing the Alt+Space keyboard shortcut.

Update 3:

I noticed after updating to version 1903 that Alt+Space wasn't still working! I was really annoyed -- but what I noticed was that the Alt on the right hand side of the Space bar wasn't doing the trick; however, the Alt on the left hand side of the Space bar worked fine.

This probably worked earlier as well but I've been using the Alt on the right hand side for over 25 years and Windows 10 has changed that -- why ? Microsoft why ?

Update 4:

I see that dell has this issue -- https://www.dell.com/support/article/us/en/04/sln238073/right-alt-click-dosen-t-work?lang=en

So, it's probably not an issue for all computers or computers running a version of Windows 10 --- most likely only for Dell computers.

Answer 1

For anyone else that stumbles on this page I was getting a search windows that came up when I hit Alt+Spacebar. It turns out this was an on-by-default feature in the new Windows PowerToys utility from Microsoft. You can turn the "PowerToys Run" feature off or change the keyboard shortcut to restore Alt+Spacebar to its former glory.

Answer 2

As much as we appreciate your nostalgia for the Olden Times of the Microsoft Windows Version 3.1 Operating System - when things were really working -, there is nothing wrong in its Tenth Version in the respect that you have just described.

A Non-Universal Windows Platform Static Software Application behaves well in this respect. Check out the following example caught in the Google Chrome Web-Browser:

Surprisingly, even an Universal Windows Platform Static Software Application still has it. Check out the following example caught in the Digi.Online I.P.T.V. Client:

Now, the funny thing is that we do remember that sometimes these shortcuts seem not to be working for some reason. Either they have been disabled before their build, or there is some other reason.

You must have hit a non-usual case. You should investigate more. Add more detail to your Issue.

Answer 3

It has never stopped working in any Windows versions. It's just that you didn't press Alt+Space but AltGr+Space which is a completely different combo

On Windows AltGr is treated the same as Ctrl+Alt: Can I make Ctrl+Alt NOT act like AltGr on Windows? so AltGr+Space produces Ctrl+Alt+Space

The default layout on US Windows is US. But it's extremely common for people to mistake the US and US International when setting up a new computer. US International is a layout that maps AltGr on the right Alt key, and in all Windows including Windows 10 the solution is the same: change to the US keyboard layout which doesn't have AltGr (if you don't have any need to type some Western European characters in the US keyboard)

This has nothing to do with MS, Windows or Dell. It's you who changed or selected the wrong keyboard layout, so stop blaming them. It's already clear from what you observed

but what I noticed was that the Alt on the right hand side of the Space bar wasn't doing the trick; however, the Alt on the left hand side of the Space bar worked fine

It's also explained right from the very first paragraph in the Dell link you provided:

You might come across a problem when the keyboard layout is set to "English US International"

Right Alt click does not work in Windows 7

• In a windows keyboard, is right ALT treated as AltGr?
• What's the difference between Alt and AltGr on my keyboard?

Answer 4

I was able to get around it by opening PowerToys Settings > PowerToys Run and just changing the Open PowerToys Run Shortcut to something else, like Ctrl+Alt+Space

Answer 5

This is probably a Dell laptop/computer issue

I don't have a fix for Windows 10 but the above link gives a fix for windows 7.

Windows 10 fix: use left Alt+Space.

Answer 6

In case it helps anyone else, I ran into this using the Logitech MX Keys keyboard and figured out that using the opt|start button with the cmd|alt button and the space bar would launch the system window menu

Answer 7

Power Toys Run was my problem. Turned that off and my problem went away. The smoking gun was that when I used I got the Power Toys Run dialog popping up, indicating that something else had capture that hot key combination, but I didn't recognize what it was. Left-Alt-space got the pop up. Right-alt-space did nothing. If you have Power Toys, that's probably your problem. If you don't have Power Toys, check to see if you are getting any action at all from Alt-space. If you are, that would indicate that key combo has been reassigned somehow.