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[Bug 744187] Re: [g45] Black screen on boot acer travelmate 5735Z, intel gma 4500mhd

To: ubuntu-x-swat@xxxxxxxxxxxxxxxxxxx
From: kanub <744187@xxxxxxxxxxxxxxxxxx>
Date: Tue, 09 Aug 2011 09:26:11 -0000
Reply-to: Bug 744187 <744187@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

after fresh installation of Linux Mint XFCE 11 (or Lubuntu 11.04) on
Acer Travelmate 240 screen stays blank after boot

solution:
$ sudo nano /etc/default/grub
add i915.modeset=0 in GRUB_CMDLINE_LINUX_DEFAULT (nomodeset is working too)
(source: http://ubuntu-tutorials.com/2010/05/06/ubuntu-10-04-lucid-blank-screen-at-startup-workaround/
)

I get terrible display glitches on boot (bios logo and previous login
screen with lots of random noise => uncleared graphics memory?)

setpci and acpi_osi = Linux + backlight did not work for me

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https://bugs.launchpad.net/bugs/744187

Title:
  [g45] Black screen on boot acer travelmate 5735Z, intel gma 4500mhd

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