This bug is still a problem for me too, however there is a work around.
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/779166
The following command should make the screen bright again, I recommend you use
an external monitor when trying to correct this issue.
sudo setpci -s 00:02.0 F4.B=00
@cryd_be
Thanks for your reply, i've now seen the light ;)
I've added this (sudo setpci -s 00:02.0 F4.B=00) command to the rc.local
file and the screen is now starting up.
I can also report that supertuxkart does not cause the screen to go dim
again, as reported in another bug regarding this pro
Thanks for that, however the command reports missing width.
I'm guessing this has something to do with the B=00 part but I don't
know what hex value to set, can you shed any light on the situation?
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Tested the latest update to 11.10 at the weekend and the screen is still
dark.
My diagnostic information can be found in bug 740893 at the below link.
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/740893/comments/8
Kernel 2.6.35.22 show a fully bright screen.
Kernel 2.6.38-8 was the first
apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/740893/+attachment/2257095/+files/WifiSyslog.txt
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Titl
apport information
** Attachment added: "UdevLog.txt"
https://bugs.launchpad.net/bugs/740893/+attachment/2257094/+files/UdevLog.txt
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Title:
Ke
apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/740893/+attachment/2257093/+files/UdevDb.txt
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Title:
Kern
apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/740893/+attachment/2257092/+files/ProcModules.txt
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Ti
apport information
** Attachment added: "ProcCpuinfo_.txt"
https://bugs.launchpad.net/bugs/740893/+attachment/2257090/+files/ProcCpuinfo_.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/740893/+attachment/2257091/+files/ProcInterrupts.txt
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https://bugs.launchpad.net/bugs/7408
apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/740893/+attachment/2257089/+files/ProcCpuinfo.txt
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Ti
apport information
** Attachment added: "PciMultimedia.txt"
https://bugs.launchpad.net/bugs/740893/+attachment/2257088/+files/PciMultimedia.txt
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apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/740893/+attachment/2257087/+files/Lsusb.txt
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Title:
Kernel
apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/740893/+attachment/2257086/+files/Lspci.txt
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Title:
Kernel
apport information
** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/740893/+attachment/2257085/+files/IwConfig.txt
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Title:
apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/740893/+attachment/2257084/+files/CurrentDmesg.txt
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apport information
** Attachment added: "Card0.Codecs.codec.0.txt"
https://bugs.launchpad.net/bugs/740893/+attachment/2257083/+files/Card0.Codecs.codec.0.txt
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apport information
** Attachment added: "Card0.Amixer.values.txt"
https://bugs.launchpad.net/bugs/740893/+attachment/2257082/+files/Card0.Amixer.values.txt
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apport information
** Attachment added: "BootDmesg.txt"
https://bugs.launchpad.net/bugs/740893/+attachment/2257081/+files/BootDmesg.txt
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apport information
** Attachment added: "AlsaDevices.txt"
https://bugs.launchpad.net/bugs/740893/+attachment/2257080/+files/AlsaDevices.txt
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apport information
** Attachment added: "AcpiTables.txt"
https://bugs.launchpad.net/bugs/740893/+attachment/2257079/+files/AcpiTables.txt
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AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
AplayDevices:
List of PLAYBACK Hardware Devices
card 0: Intel [HDA Intel], device 0: ALC272X Analog [ALC272X Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
Architecture: i386
ArecordDevices:
List of CA
Hey
I have the same laptop and have the same problem when i updated the
Kernel.
I've been running 2.6.35.22 which has no problems.
I initially updated to 2.6.38-8 which i thought at first had failed, but
noticed the screen was only usable (and i use that word very lightly) in
direct sunlight.
I
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
Kernel 2.6.38-7 completely dims screen on Intel GMA 4500M
To manage
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