"input not supported" at login screen after ati driver is installed

Posted by squalo78 on Ask Ubuntu See other posts from Ask Ubuntu or by squalo78
Published on 2012-03-02T18:02:03Z Indexed on 2012/04/14 23:47 UTC
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11.10

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ati

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resolution

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login-screen

I'm running ubuntu 11.10 and I installed the Ati driver from the oficial page. When i reboot, the grub and the splash screen are working (at lower resolution) but instead of the login screen, it shows "input not supported" message. If I use "Ctrl+Alt+ keypad +" I can see my login screen at 640x480 resolution and login.

I don't know how to make login screen displays 1440x900@60, that is the resolution set on my session.

I'm running Ubuntu 11.10 with ati hd4200 video card, a monitor acer aL1916w that supports the resolution 1440x900.

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