Re: [solved] my function keys for sound up and down do not work, brightness does something else

erly. I checked in keyboard customized shortcuts, media, all are >> disabled. > > I assume only the laptop keyboard has the brightness function. That is > usually handled completely differently than through the keyboard > interface. Check the logs and see if there are any messages whe

Re: [solved] my function keys for sound up and down do not work, brightness does something else

, media, all are > >> disabled. > > > > I assume only the laptop keyboard has the brightness function. That is > > usually handled completely differently than through the keyboard > > interface. Check the logs and see if there are any messages when you > &

Re: [solved] my function keys for sound up and down do not work, brightness does something else

On 03/12/2023 14:07, Samuel Sieb wrote: On 12/2/23 20:04, Frederic Muller wrote: As the title says some of my functions key do not work or not properly. I checked in keyboard customized shortcuts, media, all are disabled. I assume only the laptop keyboard has the brightness function

Re: my function keys for sound up and down do not work, brightness does something else

On 12/2/23 20:04, Frederic Muller wrote: As the title says some of my functions key do not work or not properly. I checked in keyboard customized shortcuts, media, all are disabled. I assume only the laptop keyboard has the brightness function. That is usually handled completely differently

Re: my function keys for sound up and down do not work, brightness does something else

On 12/2/23 20:04, Frederic Muller wrote: As the title says some of my functions key do not work or not properly. I checked in keyboard customized shortcuts, media, all are disabled. This is happening both on the native Thinkpad keyboard but also on the wireless bluetooth Logitech keyboard.

Re: my function keys for sound up and down do not work, brightness does something else

On Sun, 2023-12-03 at 11:04 +0700, Frederic Muller wrote: > As the title says Always put your full message in the message... > some of my functions key do not work or not properly. > I checked in keyboard customized shortcuts, media, all are disabled. In your keyboard preferences is the

my function keys for sound up and down do not work, brightness does something else

Hi! As the title says some of my functions key do not work or not properly. I checked in keyboard customized shortcuts, media, all are disabled. This is happening both on the native Thinkpad keyboard but also on the wireless bluetooth Logitech keyboard. Any idea how to fix this? Thank

Re: Screen brightness not restored

On Mon, 2023-10-16 at 13:41 +0200, None via users wrote: > > Seems fairly self-explanatory. Just change what you want e.g. > > you'll > > need to use a password after Screen Blank, but not after Dim > > Screen. > > > > Just experiment to find what suits you. > > Did you bother to read the

Re: Screen brightness not restored

o I have laptop with Fedora 38 and the problem I have is that > > > > the > > > > screen brightness is not restored to its previous level after > > > > it > > > > has > > > > been locked. > > > > > > > > I have it set

Re: Screen brightness not restored

On Mon, 2023-10-16 at 13:16 +0200, None via users wrote: > On Mon, 2023-10-16 at 11:51 +0100, Patrick O'Callaghan wrote: > > On Mon, 2023-10-16 at 09:51 +0200, None via users wrote: > > > So I have laptop with Fedora 38 and the problem I have is that > > >

Re: Screen brightness not restored

On Mon, 2023-10-16 at 11:51 +0100, Patrick O'Callaghan wrote: > On Mon, 2023-10-16 at 09:51 +0200, None via users wrote: > > So I have laptop with Fedora 38 and the problem I have is that the > > screen brightness is not restored to its previous level after it > > has > &

Re: Screen brightness not restored

On Mon, 2023-10-16 at 09:51 +0200, None via users wrote: > So I have laptop with Fedora 38 and the problem I have is that the > screen brightness is not restored to its previous level after it has > been locked. > > I have it set so that the screen dims after a few minutes, if

Screen brightness not restored

So I have laptop with Fedora 38 and the problem I have is that the screen brightness is not restored to its previous level after it has been locked. I have it set so that the screen dims after a few minutes, if I then touch the keyboard the brightness goes back to its previous level. If I'm away

brightness-applet stopped working with kernel-6.1.5

Hello, I'm using Fedora 37 on an Lenovo ThinkPad x230i with the following GRUB_CMDLINE_LINUX="net.ifnames=0 selinux=0 quiet acpi_backlight=vendor thinkpad-acpi.brightness_enable=1" This worked until kernel 6.0.18. With kernel 6.1.5 the applet loads but doesn't work. Why this? What should I do

Re: Volume/mute/brightness keys stopped working

On 8/13/19 8:51 AM, Ted Roche wrote: See if the Volume/Mute/Brightness works if you hold the "Fn" key simultaneously. There's an "Fn Lock" setting in the BIOS and/or software-accessible that gets toggled inadvertently. Just this week, I had customers complaining their Wifi

Re: Volume/mute/brightness keys stopped working

On 8/13/19 1:23 AM, Ian Pilcher wrote: I have a Dell Precision 5520 laptop (basically an XPS 15).  The volume, mute, and brightness "function" keys have always just worked on this laptop with no additional configuration required ... until now. Something has changed in the last w

Re: Volume/mute/brightness keys stopped working

See if the Volume/Mute/Brightness works if you hold the "Fn" key simultaneously. There's an "Fn Lock" setting in the BIOS and/or software-accessible that gets toggled inadvertently. Just this week, I had customers complaining their Wifi keeps getting turned off, and their F8

Re: Volume/mute/brightness keys stopped working

On Tue, 2019-08-13 at 03:23 -0500, Ian Pilcher wrote: > I have a Dell Precision 5520 laptop (basically an XPS 15). The > volume, > mute, and brightness "function" keys have always just worked on this > laptop with no additional configuration required ... until now. >

Volume/mute/brightness keys stopped working

I have a Dell Precision 5520 laptop (basically an XPS 15). The volume, mute, and brightness "function" keys have always just worked on this laptop with no additional configuration required ... until now. Something has changed in the last week or two, and the keys no longer have

Re: brightness

On Thursday, September 8, 2016 3:00:57 PM EDT Go Canes wrote: > A recent kernel update broke function keys on my wife's Dell XPS 13. If you mean Fn keys, then see this: https://bugzilla.redhat.com/show_bug.cgi?id=1374558 -- Garry T. Williams -- users mailing list

Re: brightness

A recent kernel update broke function keys on my wife's Dell XPS 13. Reverting to the prior kernel worked-around the issue. I haven't had a chance to pursue it any further. So try an earlier kernel. On Sat, Sep 3, 2016 at 6:06 PM, Patrick Dupre wrote: > > > > > On 09/03/2016

Re: brightness

> > On 09/03/2016 01:46 PM, Patrick Dupre wrote: > >> Sent: Saturday, September 03, 2016 at 10:06 PM > >> From: "Samuel Sieb" > > I can run without vga=normal, but if I run without nomodeset, the graphics > > never starts and I have to restart the machine. > > But even without

Re: brightness

On 09/03/2016 01:46 PM, Patrick Dupre wrote: Sent: Saturday, September 03, 2016 at 10:06 PM From: "Samuel Sieb" I can run without vga=normal, but if I run without nomodeset, the graphics never starts and I have to restart the machine. But even without vga=normal, I get the

Re: brightness

t; To: "Community support for Fedora users" <users@lists.fedoraproject.org> > Subject: Re: brightness > > On 09/03/2016 12:54 PM, Patrick Dupre wrote: > > 00:02.0 VGA compatible controller: Intel Corporation HD Graphics 530 (rev > > 06) > > 3D controller: NVIDI

Re: brightness

On 09/03/2016 12:54 PM, Patrick Dupre wrote: 00:02.0 VGA compatible controller: Intel Corporation HD Graphics 530 (rev 06) 3D controller: NVIDIA Corporation GM107M [GeForce GTX 960M] (rev a2) lsmod video 40960 3 i915,msi_wmi,nouveau Ugh, it's one of those hybrid systems. Try

Re: brightness

September 03, 2016 at 8:05 PM > From: "geo.inbox.ignored" <geo.inbox.igno...@gmail.com> > To: users@lists.fedoraproject.org > Subject: Re: brightness > > > > On 09/03/2016 12:07 PM, Samuel Sieb wrote: > > On 09/03/2016 02:34 AM, Patrick Dupre wrote: > >> H

Re: brightness

On 09/03/2016 12:07 PM, Samuel Sieb wrote: > On 09/03/2016 02:34 AM, Patrick Dupre wrote: >> How can I manage the brightness of my laptop ? >> xbacklight -get (or -set) >> does not work. >> A gui interface would be helpful. >> > There should be backli

Re: brightness

On 09/03/2016 02:34 AM, Patrick Dupre wrote: How can I manage the brightness of my laptop ? xbacklight -get (or -set) does not work. A gui interface would be helpful. There should be backlight adjustment keys on your keyboard. If those don't work, then file a kernel bug. In Gnome, if you

Re: brightness

On 09/03/2016 09:42 AM, Patrick Dupre wrote: > Thank. > > I am using gnome and I cannot find what you said ! > ===> gnome seems to be the 'norm' for fedora users. ;=) any who, after posting, some thoughts which may relate: video chipset laptop make laptop age fedora version, release

Re: brightness

; From: "geo.inbox.ignored" <geo.inbox.igno...@gmail.com> > To: users@lists.fedoraproject.org > Subject: Re: brightness > > > hello Patrick. > > On 09/03/2016 04:34 AM, Patrick Dupre wrote: > > Hello, > > > > How can I manage the brightness of

Re: brightness

hello Patrick. On 09/03/2016 04:34 AM, Patrick Dupre wrote: > Hello, > > How can I manage the brightness of my laptop ? > xbacklight -get (or -set) > does not work. > A gui interface would be helpful. > ===> using centos here, so this may not help. then again, if you

Re: brightness

Patrick Dupre wrote: > How can I manage the brightness of my laptop ? > xbacklight -get (or -set) > does not work. xbacklight should work, if not, there's a bug somewhere (I'd encourage you to report it). -- Rex -- users mailing list users@lists.fedoraproject.org To unsubscribe

Re: brightness

On Sat, Sep 03, 2016 at 11:34:40AM +0200, Patrick Dupre wrote: > Hello, > > How can I manage the brightness of my laptop ? > xbacklight -get (or -set) > does not work. > A gui interface would be helpful. some (all??) desktop environments have a brightness applet that c

brightness

Hello, How can I manage the brightness of my laptop ? xbacklight -get (or -set) does not work. A gui interface would be helpful. Thank. === Patrick DUPRÉ | | email: pdu...@gmx.com

Re: Adjust screen brightness in my ThinkPad Lenovo laptop

Hi all, I tried installing xbacklight and with it, I can now adjust the screen brightness. The shortcut keys still doesn't work, but I can adjust with the xbacklight command. On Thu, Oct 8, 2015 at 7:57 PM, Kalpa Welivitigoda <callka...@gmail.com> wrote: > HI, > > I am using

Adjust screen brightness in my ThinkPad Lenovo laptop

HI, I am using ThinkPad Lenovo T530 laptop and I am on Fedora 23 beta. I cannot adjust my screen brightness with the shortcut keys. I tried several options like appending "acpi_backlight=vendor" to GRUB_CMDLINE_LINUX but didn't work. Automatic brightness adjustment that comes with

enabling keybindings for brightness/volume, etc on laptop (F21 LXDE)

Hi, I am running a fully-updated F21 LXDE installed from the official spin. How does one enable the laptop keybindings for brightness, volume, etc? Do I need an additional package, etc? Many thanks, Ranjan -- Important Notice: This mailbox is ignored: e-mails are set to be deleted

Cannot change the brightness on my laptop

Dear All, I have just installed Fedora 21 Spin XFCE on my laptop. Unfortunately, I cannot adjust the screen brightness in the settings: I change the brightness in the Settings, but nothing happens. Any ideas? Thanks in advance, Paul -- users mailing list users@lists.fedoraproject.org

Re: Cannot change the brightness on my laptop

On Tue, Dec 9, 2014 at 11:13 PM, Paul Smith phh...@gmail.com wrote: I have just installed Fedora 21 Spin XFCE on my laptop. Unfortunately, I cannot adjust the screen brightness in the settings: I change the brightness in the Settings, but nothing happens. Any ideas? After having installed

Re: Cannot change the brightness on my laptop

On 12/09/2014 03:13 PM, Paul Smith wrote: I have just installed Fedora 21 Spin XFCE on my laptop. Unfortunately, I cannot adjust the screen brightness in the settings: I change the brightness in the Settings, but nothing happens. This may well be specific to Xfce, not Fedora. You might want

Re: Cannot change the brightness on my laptop

On 10.12.2014 00:49, Joe Zeff wrote: On 12/09/2014 03:13 PM, Paul Smith wrote: I have just installed Fedora 21 Spin XFCE on my laptop. Unfortunately, I cannot adjust the screen brightness in the settings: I change the brightness in the Settings, but nothing happens. This may well

Re: Cannot control Screen Brightness - Fedora 20

On 03/18/14 11:18, CS_DBA wrote: Hi All; I have Fedora 20 installed on a Lenovo W540. I cannot control the screen brightness via the Function F5/F6 keys, nor can I control it via the system settings (KDE) -- Power Management settings... Can anyone help me debug this? One thing you can

Re: Cannot control Screen Brightness - Fedora 20

W540. I cannot control the screen brightness via the Function F5/F6 keys, nor can I control it via the system settings (KDE) -- Power Management settings... Can anyone help me debug this? One thing you can try as a workaround is to install xbacklight and see if using it allows you to adjust

Re: Cannot control Screen Brightness - Fedora 20

On 18 March 2014 16:51, Antonio M antonio.montagn...@gmail.com wrote: I added this option in grub, you can try it at boot-time, then modify the grub configuration file.It might work video.use_native_backlight=1 Can you please describe (in short) what it does? -- Hiisi. Registered Linux

Cannot control Screen Brightness - Fedora 20

Hi All; I have Fedora 20 installed on a Lenovo W540. I cannot control the screen brightness via the Function F5/F6 keys, nor can I control it via the system settings (KDE) -- Power Management settings... Can anyone help me debug this? Thanks in advance... -- users mailing list users

Re: Screen Brightness Keys Not Working - Thinkpad W540 Fedora 20

| From: CS DBA cs_...@consistentstate.com | Just setup a Thinkpad W540, most everything is working well. I hope you are aware that there is a BIOS bug that can cause Linux to brick the machine. As in: once it happens, the motherboard needs to be replaced. See this, for example:

Re: Screen Brightness Keys Not Working - Thinkpad W540 Fedora 20

On 15/03/14 01:44 PM, D. Hugh Redelmeier wrote: | From: CS DBA cs_...@consistentstate.com | Just setup a Thinkpad W540, most everything is working well. I hope you are aware that there is a BIOS bug that can cause Linux to brick the machine. As in: once it happens, the motherboard needs to be

Re: Screen Brightness Keys Not Working - Thinkpad W540 Fedora 20

On 3/15/14, 12:16 PM, Digimer wrote: On 15/03/14 01:44 PM, D. Hugh Redelmeier wrote: | From: CS DBA cs_...@consistentstate.com | Just setup a Thinkpad W540, most everything is working well. I hope you are aware that there is a BIOS bug that can cause Linux to brick the machine. As in: once

Screen Brightness Keys Not Working - Thinkpad W540 Fedora 20

Hi All; Just setup a Thinkpad W540, most everything is working well. I did not install any nvidia drivers (kmod-nvidia, nvidia downloaded binaries, etc) just using the default driver - not sure if this has anything to do with it but Fn-F5 / Fn-F6 dont do anything... Thanks in advance --

screen brightness

Hello, I did not find a way to control the screen brightness of a laptop in live. xbacklight -set 90 does not work! Thank. === Patrick DUPRÉ                                 | | email: pdu...@gmx.com Laboratoire de

Brightness Controls Do Not Work after Suspend-to-Disk

followed by suspend-to-disk. Oddly, when resuming from suspend-to-disk, the brightness controls do not work, and the screen is at WHERE ARE MY SUNGLASSES brightness. Everything else seems to work fine after the resume. Any thoughts/suggestions on possible causes or (better yet) possible fixes

F17: minor issue on screen brightness

I am using a bunch of laptops (none of them is fresh) : on my work Acer 5720 with Intel graphics I note that screen brightness is not kept, i.e. at start up I have to increase it a little bit by using keyboard. Maybe it has already been discussed...where shall I have to look?? Tnx -- Antonio

Re: Permanently set screen brightness

On 03/08/2012 04:04 PM, Aaron Konstam wrote: Hello list, Is there any file that I must edit which sets the default screen brightness to the maximum, so I don't need to change it every time I restart my computer? On Thu, 2012-03-08 at 10:06 +0100, Andras Simon wrote: echo 10 /sys/class

Re: Permanently set screen brightness

2012/3/9, Bruno Martins bmomart...@gmail.com: I have that file, but setting that value to 10 is the same as going to Screen GUI and scrolling the brightness to the maximum. Yes, that was the point. If you can set the brightness from the command line, you have a chance to automatically set

Re: Permanently set screen brightness

On 03/09/2012 09:45 AM, Andras Simon wrote: 2012/3/9, Bruno Martins bmomart...@gmail.com: I have that file, but setting that value to 10 is the same as going to Screen GUI and scrolling the brightness to the maximum. Yes, that was the point. If you can set the brightness from the command

Re: Permanently set screen brightness

On 09/03/12 10:53, Bruno Martins wrote: By the way, that instruction should be put on another file since I don't have a /etc/rc.local file (maybe systemd doesn't use it?) and even if I create it, it will not work. I will investigate. Thanks, From the release notes: 3.2.4. rc.local no longer

Re: Permanently set screen brightness

/acpi_video0/brightness Best regards, -- Bruno Martins br...@member.fsf.org mailto:br...@member.fsf.org (+351) 939 668 667 -- users mailing list users@lists.fedoraproject.org To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http

Re: Permanently set screen brightness

On 09/03/12 11:53, Bruno Martins wrote: Have a browse here: http://askubuntu.com/questions/3841/desktop-doesnt-remember-brightness-settings-after-a-reboot -- Regards, Frank Jack of all, fubars -- users mailing list users@lists.fedoraproject.org To unsubscribe or change subscription options

Re: Permanently set screen brightness

On 03/09/2012 12:05 PM, Frank Murphy wrote: On 09/03/12 11:53, Bruno Martins wrote: Have a browse here: http://askubuntu.com/questions/3841/desktop-doesnt-remember-brightness-settings-after-a-reboot It worked, mate. Thanks a lot. Since this is a related topic, the laptop function keys

Re: Permanently set screen brightness

On 09/03/12 12:20, Bruno Martins wrote: Since this is a related topic, the laptop function keys for setting brightness up and down are the only ones not working. I have tested these keys with program 'xev' but key pressing is not recognized. Any ideas? Sorry no, not really a laptop person

Re: Permanently set screen brightness

On 09/03/12 12:20, Bruno Martins wrote: I have tested these keys with program 'xev' but key pressing is not recognized. Any ideas? Maybe? https://fedoraproject.org/wiki/Common_F16_bugs#bash-etc-shells -- Regards, Frank Jack of all, fubars -- users mailing list

Re: Permanently set screen brightness

On Fri, 2012-03-09 at 09:07 +, Bruno Martins wrote: On 03/08/2012 04:04 PM, Aaron Konstam wrote: Hello list, Is there any file that I must edit which sets the default screen brightness to the maximum, so I don't need to change it every time I restart my computer? On Thu

Re: Permanently set screen brightness

On Fri, 2012-03-09 at 12:22 +, Frank Murphy wrote: On 09/03/12 12:20, Bruno Martins wrote: Since this is a related topic, the laptop function keys for setting brightness up and down are the only ones not working. I have tested these keys with program 'xev' but key pressing

Re: Permanently set screen brightness

On 03/09/2012 04:05 PM, Aaron Konstam wrote: On Fri, 2012-03-09 at 09:07 +, Bruno Martins wrote: On 03/08/2012 04:04 PM, Aaron Konstam wrote: Hello list, Is there any file that I must edit which sets the default screen brightness to the maximum, so I don't need to change it every time I

Re: Permanently set screen brightness

On Wed, Mar 7, 2012 at 4:57 PM, Joe Zeff j...@zeff.us wrote: On 03/07/2012 12:54 AM, Bruno Martins wrote: This problem is happening since F15's kernel version (in F14 this didn't happen). It's a problem with the kernel version, because I have the same problem on other distros on the same

Re: Permanently set screen brightness

2012/3/7, Bruno Martins bmomart...@gmail.com: Hello list, Is there any file that I must edit which sets the default screen brightness to the maximum, so I don't need to change it every time I restart my computer? If something like echo 10 /sys/class/backlight/acpi_video0/brightness works

Re: Permanently set screen brightness

Hello list, Is there any file that I must edit which sets the default screen brightness to the maximum, so I don't need to change it every time I restart my computer? On Thu, 2012-03-08 at 10:06 +0100, Andras Simon wrote: echo 10 /sys/class/backlight/acpi_video0/brightness

Permanently set screen brightness

Hello list, Is there any file that I must edit which sets the default screen brightness to the maximum, so I don't need to change it every time I restart my computer? This problem is happening since F15's kernel version (in F14 this didn't happen). It's a problem with the kernel version, because

Re: Permanently set screen brightness

On 03/07/2012 12:54 AM, Bruno Martins wrote: This problem is happening since F15's kernel version (in F14 this didn't happen). It's a problem with the kernel version, because I have the same problem on other distros on the same computer. Are all of the distros using the exact same kernel

gnome applets brightness, volume control....

-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Bonjour, I used to use some applet like brightness control or volume control in the gnome panel... I seems that they have disappeared from the package gnome-applets in f14. Did they migrate to another package? and which one? Thanks. - -- François

Re: gnome applets brightness, volume control....

you may find out in https://live.gnome.org/GnomeShell/ suomi On 2011-06-22 12:03, François Patte wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Bonjour, I used to use some applet like brightness control or volume control in the gnome panel... I seems that they have disappeared

Re: F14 mplayer doesn't adjust brightness in X, nouveau

On Thu, 9 Dec 2010 21:04:09 -0700 stan gr...@q.com wrote: I'm having a problem with mplayer in F14 x86_64. mplayer doesn't allow the use of the 3 and 4 keys to adjust brightness during playback in X with nouveau, though it works in the console. When I used it in F12 with the nv driver

F14 mplayer doesn't adjust brightness in X, nouveau

I'm having a problem with mplayer in F14 x86_64. mplayer doesn't allow the use of the 3 and 4 keys to adjust brightness during playback in X with nouveau, though it works in the console. When I used it in F12 with the nv driver, it worked just fine in X. Would this be a problem in mplayer

HP dm3t Laptop Brightness Adjustment

I recently got a new laptop, an HP dm3t (Core i3-380UM+Intel HD Graphics). It's a great machine except that I am not able to adjust the screen brightness in Fedora 14 x86_64. The Fn keys are recognized, the brightness pop-up indicates that an adjustment has been requested, but the screen

Re: F14 on Asus eeePC: gnome brightness applet gone

On 3 November 2010 18:05, Colin Brace c...@lim.nl wrote: Any ideas on what might have happened here? Surely this useful applet is still part of Gnome??  This file is now gone: /usr/libexec/gnome-brightness-applet This has been removed upstream in readiness for the GNOME 3 interface changes

Re: screen brightness - full brightness on battery not possible ?

binRrQAOQXY43.bin Description: application/pgp-encrypted msg.asc Description: Binary data -- users mailing list users@lists.fedoraproject.org To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines:

Re: screen brightness - full brightness on battery not possible ?

profiles - powersave - screen - brightness. If you use Gnome, then I don't know, but guess that something similar should exist somewhere in Gnome power management settings. gnome power manager for plugged in has a brightness slider - for batter there is only a check box for dimming the screen

Re: screen brightness - full brightness on battery not possible ?

By BIOS 'controls' I assume you mean the brightness controls on your laptop. Have you looked through all BIOS settings to see if there is a power management/battery saver feature in the BIOS that Gnome may not be able to override? birger -- users mailing list users@lists.fedoraproject.org

Re: screen brightness - full brightness on battery not possible ?

On Sat, 2010-02-20 at 17:23 -0500, Mail Lists wrote: Yep - the bios keys work fine and are at full - something is makign battery less bright than when plugged in ... Hello Mr. Lists, or may I call you Mail? It might be a hardware thing that's either set from one of the bios setting screens

Re: screen brightness - full brightness on battery not possible ?

On 02/20/2010 12:37 PM, birger wrote: By BIOS 'controls' I assume you mean the brightness controls on your laptop. Have you looked through all BIOS settings to see if there is a power management/battery saver feature in the BIOS that Gnome may not be able to override? birger Yep

screen brightness - full brightness on battery not possible ?

On my laptop - when I switch to battery the screen dims less than when I am plugged in. Sometimes I need to get the brightness up full - but I cannot find a control to do this that has any effect while on battery power. Things I've tried - 1) in power applet, battery tab - unclick