Reset shortcut not working

[Bernouilli]

I replaced my keyboard with another one and now, the combo LeftShit-LeftCrtl-LeftAlt-RightAlt doesn't work anymore.
The shortcut LeftCrtl-LeftAlt-RightAlt doesn't work either.

I tested the old keyboard and the new keyboard with showkey and I see that whith the new keyboard, the key(100).pressed is not triggered when I press the right alt key. I just see 3 key release events, one for each of the key LeftShift-LeftCtrl-LeftAlt.

Is there a way to change the shortcut for resetting the mister and the shortcut for resetting the core?

[Bernouilli]

I managed to solve the problem by mapping an unused key (calculator key) to the RightAlt key.
Now I know about key ghosting and key jamming.