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How to permanently disable the Alt Gr key and make it a normal Alt key ?

MarianD
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    Altering the keyboard layout is the best way. This can be done natively in Windows 10 Settings and doesn't require a registry hack though. Just set the keyboard layout to EN - United States. You will lose other keys your keyboard may have that are not part of the standard 101 keyset, such as ß and € keys, but they usually require the AltGr anyway. If you have a fairly standard keyboard, this should not be an issue for you. – LPChip Jun 18 '19 at 12:33

2 Answers2

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The Stack Overflow post How to globally map AltGr key to Alt key? has several solutions.

Save this as AltGR_to_LeftAlt.reg file and run it (after doing backup in regedit of the key):

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layout]
"Scancode Map"=hex:00,00,00,00,00,00,00,00,02,00,00,00,38,00,38,e0,00,00,00,00

Or you could use AutoHotKey with this script:

LControl & *RAlt::Send {LAlt Down}
LControl & *RAlt Up::Send {LAlt Up}

More information is available in the linked post.

harrymc
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Adding this anywhere in my AutoHotKey script fixed my personal issue with AltGr:

RAlt::Alt

If you're interested what the issue was: Using an international keyboard layout instead of English, I could no longer navigate backwards/forwards in my web browser using the rightalt+leftarrow/rightarrow shortcuts.

omer
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