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[Bug 486056] Re: Setting up dual-head of exactly 2048 pixels wide ends up with a black screen. Setting it up with more than 2048 pixels crashes X

To: ubuntu-x-swat@xxxxxxxxxxxxxxxxxxx
From: Thomas Keene <eneekmot@xxxxxxxxx>
Date: Mon, 25 Jan 2010 19:47:52 -0000
Reply-to: Bug 486056 <486056@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

I'm having the same problem on an Acer Aspire A250.  When
Appearance>Visual Effects is set to None, everything works just fine.
But when it's set to Normal or Extra and I try to extend the desktop,
the system will freeze with a black screen and a nonresponsive cursor
(even Num Lock is unresponsive.)  If I already have an extended desktop
and try to change Visual Effects, I'll only get an error message.

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Setting up dual-head of exactly 2048 pixels wide ends up with a black screen. Setting it up with more than 2048 pixels crashes X
https://bugs.launchpad.net/bugs/486056
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References

[Bug 486056] [NEW] Setting up dual-head of exactly 2048 pixels wide ends up with a black screen. Setting it up with more than 2048 pixels crashes X
From: Ricardo Bánffy, 2009-11-20