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In the Ubuntu / GNOME login screen, I tried some of the different accessibility settings out of curiosity. Big mistake!

Enabling the "use screen magnifier" (or whatever) option breaks down the view horribly, and makes it impossible to even access the settings again:

alt text alt text

Yes, I tried to access every corner of the screen using the mouse, but there's just chaos everywhere. Fortunately, I can still log in (pressing "Esc" makes the normal login dialog appear on the left-hand monitor).

My question is, how to disable the "magnifier" option outside of the login screen itself? (By editing some config file perhaps?) I don't care about getting the magnifier mode to work properly - just make it go away altogether, please.

share|improve this question
that is... wow... – TheXed Nov 3 '10 at 16:05
Related, but not duplicate, question:… – andrewsomething Jan 15 '11 at 1:58
up vote 3 down vote accepted

If you don't want it, remove it:

sudo apt-get remove gnome-mag

There's probably a way to turn it off but I can't see anything particularly bad about this seeing as you don't want it.

That will probably take gnome-accessibility with it but, again, that shouldn't cause any problems. If you need anything gnome-accessibility installed (dasher, orca, gok, mousetweaks, etc) you can mark them as a manual install in Synaptic.

Edit: If you just want to turn it off on the login screen (but use it elsewhere), fire this off from a terminal:

sudo -u gdm gconftool-2 /desktop/gnome/applications/at/screen_magnifier_enabled --type bool --set false
share|improve this answer
Yes, the gconftool-2 command worked. (I did end up also removing gnome-mag, and it didn't take any other package with it.) Thanks again! – Jonik Nov 4 '10 at 7:42

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