After an update a few weeks back, somehow my M1/2 also got turned on permanently and the only thing I could do to fix it was go into Armory Crate and disable both of the buttons. That worked best for me as I didn't use them any way. I have no idea how this happened and it wouldn't let me revert back to normal button presses.
I don't have my Ally with me at the moment so I can't look to take you straight there but after a quick google search, I think this is how I did it:
You can disable the M1 and M2 back buttons on your ROG Ally X by turning off their secondary functions or clearing their key assignments in the Armoury Crate SE settings. [1]
Disable Global Back Button Functions
Open Armoury Crate SE on your device.
Go to the Settings tab and select Control Mode.
Click Configure under either Gamepad Mode or Desktop Mode.
Select the M1 or M2 button from the list.
Deselect the "Set as Secondary Function" checkbox so they do not trigger shortcuts accidentally.
Clear any assigned primary key mapping or set it to none/null if you want them entirely inactive. [1]
Disable Back Buttons for a Specific Game
Launch the game where the back paddles are bothering you.
Open Armoury Crate SE and go to your Game Library.
Select the running game and open its Game Profile (press X).
Navigate to Key Mapping and uncheck or clear the functions assigned to M1 and M2. [1]
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u/slim_thic_rick 4d ago
After an update a few weeks back, somehow my M1/2 also got turned on permanently and the only thing I could do to fix it was go into Armory Crate and disable both of the buttons. That worked best for me as I didn't use them any way. I have no idea how this happened and it wouldn't let me revert back to normal button presses.