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
Title:
[g45] Black screen
** 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 travelmate 5735Z, intel
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
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:
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 travelmate 5735Z, intel gma
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 travelmate 5735Z, intel gma
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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Title:
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
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 notifications about this bug go
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 4500mhd
To manage
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
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 ...
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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You received this bug
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
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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https://bugs.launchpad.net/bugs/744187
Title:
[g45] Black screen on boot acer travelmate 5735Z,
The same problem on HP All-in-One with intel gma 4500hd (or 4500mhd i
don't know)
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https://bugs.launchpad.net/bugs/744187
Title:
[g45] Black screen on boot acer travelmate 5735Z, intel
** 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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