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[Bug 578028] Re: Blank screen on boot

To: ubuntu-x-swat@xxxxxxxxxxxxxxxxxxx
From: Bogdan Ionita <578028@xxxxxxxxxxxxxxxxxx>
Date: Mon, 21 Mar 2011 22:37:09 -0000
Reply-to: Bug 578028 <578028@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

I have a similar problem. I'm using Ubuntu 10.10 x64 on a AMD Athlon X2
64 4800 with ATI HD2600XT and 2GB RAM. Today I wanted to upgrade my RAM
to 4GB. After I've installed the new RAM the locks up after the Ubuntu
loading screen. If I remove any memory chip the PC boots ok. Also if I
boot in Xfailsafe mode every thing is ok. So I did some searching and
there are quite a few people having this problem. It's something related
to video memory overlapping the high memory around the 4GB margin (if I
remember correctly)

More infos here: http://www.rage3d.com/board/showthread.php?t=33821469

Hope it helps.

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https://bugs.launchpad.net/bugs/578028

Title:
  Blank screen on boot