This bug affects Ubuntu 11.10 on Acer TravelMate 5735Z with Intel GMA
4500MHD. It did NOT affect Ubuntu 10.04.03 LTS.
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https://bugs.launchpad.net/bugs/744187
Titl
Adding options "acpi_osi=Linux acpi_backlight=legacy" in GRUB worked for
me on my friend's computer... mostly. Although the brightness buttons
can now control the backlight, Linux can't, and it still turns off once
in a while (though it's easy enough to turn back on)
I really hope this gets fixed
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/744187
Title:
[g45] Black screen on boot acer
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-l
Same in Acer Aspire 4736 with Intel GMA 4500MHD on Ubuntu 11.04 64 bits
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Title:
[g45] Black screen on boot acer travelmat
Same in Acer Aspire 4636 with Intel GMA 4500MHD on Ubuntu 11.04 64 bits
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Title:
[g45] Black screen on boot acer travelmat
Same on Acer 5735Z. No backlight.
External screen works without problem.
Its only a backlight switch problem.. Anyone solved this one?
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It did not work, Tristan.
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https://bugs.launchpad.net/bugs/744187
Title:
[g45] Black screen on boot acer travelmate 5735Z, intel gma 4500mhd
To manage notifica
Confirmed for TravelMate 5735z with intel gma 4500MHD on Natty 64-bit.
The problem does however not appear for me if I already use the
backlight adjustment keys (fn + left arrow) during the bios boot screen.
The backlight adjustment does however not work in natty anymore.
Adding options "acpi_osi
"acpi_osi=Linux" do not work fo me.
black screen
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https://bugs.launchpad.net/bugs/744187
Title:
[g45] Black screen on boot acer travelmate 5735Z, intel gma
The problem seems to be solved for me after performing the following
steps which are a combination of littleendians solution and a post from
unknown47 in this forum entry:
http://ubuntuforums.org/showthread.php?t=1743301.
1. Goto edit-mode in grub and add "acpi_osi=Linux" to the line that says "..
I have the same problem with my new acer 5735z.
As soon as it comes to the grub screen my laptop display turns black.
If I use an external monitor I am able to boot into ubuntu and add the
"setpci"-script to the sleep.d and rc.local files. But as soon as I i.e. change
display settings the screen ge
VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated
Graphics Controller (rev 09)
boot only black screen or nomodeset with terrible resoliution
Xorg -configure without X do not efective.
it is a critical bug on my enachines G725
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This problem of almost no backlight (but in dark room just barely
legible) display also exists on my Acer Travelmate 5735Z (both during
initial installation and after installation). It is fixed by running the
following command:
sudo setpci -s 00:02.0 F4.B=0
lspci:
00:00.0 Host bridge: Intel Corpo
Same here with an Acer Travelmate 5735Z, gma 4500mhd.
Issue is discussed in ubuntu forums:
http://ubuntuforums.org/showthread.php?t=1741556
http://ubuntuforums.org/showthread.php?t=1743301
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Same in Acer Travelmate 240. Installing works but after first reebot
black screen.
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You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/744187
Title:
[g45] Black screen on boot ace
The same problem on HP All-in-One with intel gma 4500hd (or 4500mhd i
don't know)
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You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/744187
Title:
[g45] Black screen on boot acer
** Summary changed:
- Black screen on boot acer travelmate 5735Z, intel gma 4500mhd
+ [g45] Black screen on boot acer travelmate 5735Z, intel gma 4500mhd
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