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Message #66788
[Bug 1330640] [NEW] Ubuntu 14.04 on Acer TravelMate P253: LCD screen brightness always at maximum level
Public bug reported:
Hi,
on my new Acer TravelMate P253 notebook, with ubuntu 14.04 desktop I can't modify LCD screen brghtness: by pressing the normal key combination for this function (Fn+Left / Fn+Right) the screen brightness applet correctly shows up on the screen, and its level correctly goes up and down when pressing the function keys, but nothing actually happens, and the screen alway stays at its maximum brightness.
Thank you, your suggestions are always welcome.
Adalberto
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Tags: trusty
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https://bugs.launchpad.net/bugs/1330640
Title:
Ubuntu 14.04 on Acer TravelMate P253: LCD screen brightness always at
maximum level
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
Hi,
on my new Acer TravelMate P253 notebook, with ubuntu 14.04 desktop I can't modify LCD screen brghtness: by pressing the normal key combination for this function (Fn+Left / Fn+Right) the screen brightness applet correctly shows up on the screen, and its level correctly goes up and down when pressing the function keys, but nothing actually happens, and the screen alway stays at its maximum brightness.
Thank you, your suggestions are always welcome.
Adalberto
To manage notifications about this bug go to:
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Follow ups
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[Bug 1330640] Re: Ubuntu 14.04 on Acer TravelMate P253: LCD screen brightness always at maximum level
From: Launchpad Bug Tracker, 2014-08-19
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[Bug 1330640] Re: Ubuntu 14.04 on Acer TravelMate P253: LCD screen brightness always at maximum level
From: Adalberto, 2014-06-19
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[Bug 1330640] Re: Ubuntu 14.04 on Acer TravelMate P253: LCD screen brightness always at maximum level
From: Adalberto, 2014-06-19
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[Bug 1330640] Re: Ubuntu 14.04 on Acer TravelMate P253: LCD screen brightness always at maximum level
From: Adalberto, 2014-06-18
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[Bug 1330640] Re: Ubuntu 14.04 on Acer TravelMate P253: LCD screen brightness always at maximum level
From: Adalberto, 2014-06-17
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[Bug 1330640] Re: Ubuntu 14.04 on Acer TravelMate P253: LCD screen brightness always at maximum level
From: Joseph Salisbury, 2014-06-17
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[Bug 1330640] WifiSyslog.txt
From: Adalberto, 2014-06-16
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[Bug 1330640] UdevLog.txt
From: Adalberto, 2014-06-16
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[Bug 1330640] UdevDb.txt
From: Adalberto, 2014-06-16
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[Bug 1330640] RfKill.txt
From: Adalberto, 2014-06-16
-
[Bug 1330640] PulseList.txt
From: Adalberto, 2014-06-16
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[Bug 1330640] ProcModules.txt
From: Adalberto, 2014-06-16
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[Bug 1330640] ProcInterrupts.txt
From: Adalberto, 2014-06-16
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[Bug 1330640] ProcEnviron.txt
From: Adalberto, 2014-06-16
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[Bug 1330640] ProcCpuinfo.txt
From: Adalberto, 2014-06-16
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[Bug 1330640] Lsusb.txt
From: Adalberto, 2014-06-16
-
[Bug 1330640] Lspci.txt
From: Adalberto, 2014-06-16
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[Bug 1330640] IwConfig.txt
From: Adalberto, 2014-06-16
-
[Bug 1330640] CurrentDmesg.txt
From: Adalberto, 2014-06-16
-
[Bug 1330640] CRDA.txt
From: Adalberto, 2014-06-16
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[Bug 1330640] BootDmesg.txt
From: Adalberto, 2014-06-16
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[Bug 1330640] AlsaInfo.txt
From: Adalberto, 2014-06-16
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[Bug 1330640] WifiSyslog.txt
From: Adalberto, 2014-06-16
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[Bug 1330640] UdevLog.txt
From: Adalberto, 2014-06-16
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[Bug 1330640] UdevDb.txt
From: Adalberto, 2014-06-16
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[Bug 1330640] RfKill.txt
From: Adalberto, 2014-06-16
-
[Bug 1330640] PulseList.txt
From: Adalberto, 2014-06-16
-
[Bug 1330640] ProcModules.txt
From: Adalberto, 2014-06-16
-
[Bug 1330640] ProcInterrupts.txt
From: Adalberto, 2014-06-16
-
[Bug 1330640] ProcEnviron.txt
From: Adalberto, 2014-06-16
-
[Bug 1330640] ProcCpuinfo.txt
From: Adalberto, 2014-06-16
-
[Bug 1330640] Lsusb.txt
From: Adalberto, 2014-06-16
-
[Bug 1330640] Lspci.txt
From: Adalberto, 2014-06-16
-
[Bug 1330640] IwConfig.txt
From: Adalberto, 2014-06-16
-
[Bug 1330640] CurrentDmesg.txt
From: Adalberto, 2014-06-16
-
[Bug 1330640] CRDA.txt
From: Adalberto, 2014-06-16
-
[Bug 1330640] BootDmesg.txt
From: Adalberto, 2014-06-16
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[Bug 1330640] Re: Ubuntu 14.04 on Acer TravelMate P253: LCD screen brightness always at maximum level
From: Adalberto, 2014-06-16
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[Bug 1330640] Missing required logs.
From: Brad Figg, 2014-06-16
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[Bug 1330640] [NEW] Ubuntu 14.04 on Acer TravelMate P253: LCD screen brightness always at maximum level
From: Adalberto, 2014-06-16
References