<Fn><F2> and <Fn><Fn><F3> without effect

[Andre Rodovalho]

You might try the commands manually (on lxterminal)...

To increase volume:* amixer -q sset Master 3%+ unmute*
To decrease: *amixer -q sset Master 3%- unmute*

It seems you have two audio cards, you may need to specify it on the
command...

Try also: *amixer -c 1 -q sset Master 3%+ unmute*
and
*amixer -c 1 -q sset Master 3%- unmute*

If nothing of this works, check out* alsamixer*, what cards you have...
Press F6 to see if you have only one (0) or two (0 and 1) cards...


2014-05-15 2:43 GMT-03:00 <farinet at arcor.de>:

> lubuntu-users-request at lists.ubuntu.com:
> > Hi,
> > What kind of computer is this that you are using?  I am using an iBook
> > and the keys work out of the box for me.  Do you have any special
> > configurations you have made?  Also, did you choose the correct keyboard
> > layout?
> > I have also noticed xev doesn't make sense of the Fn Key....
>
> It's a Samsung 535 U3C (amd processor and amd graphics). Here comes what
> inxi says:
>
> ---------------
> System:    Host: <user>-535U3C Kernel: 3.13.0-26-generic x86_64 (64 bit)
> Desktop: LXDE (Openbox 3.5.2)
>            Distro: Ubuntu 14.04 trusty
> Machine:   System: SAMSUNG product: 535U3C v: P01RAG
>            Mobo: SAMSUNG model: SAMSUNG_NP1234567890 v:
> SEC_SW__1234567890ABCD
>            Bios: American Megatrends v: P01RAG.N43.120612.LEO date:
> 06/12/2012
> CPU:       Dual core AMD A6-4455M APU with Radeon HD Graphics (-MCP-)
> cache: 4096 KB
>            Clock Speeds: 1: 2100 MHz 2: 2100 MHz
> Graphics:  Card: Advanced Micro Devices [AMD/ATI] Trinity [Radeon HD 7500G]
>            Display Server: X.Org 1.15.1 drivers: ati,fglrx (unloaded:
> fbdev,vesa,radeon)
>            Resolution: 1366x768 at 60.1hz
>            GLX Renderer: AMD Radeon HD 7500G GLX Version: 4.3.12798 -
> CPC 13.35.1005
> Audio:     Card-1 Advanced Micro Devices [AMD] FCH Azalia Controller
> driver: snd_hda_intel
>            Card-2 Advanced Micro Devices [AMD/ATI] Trinity HDMI Audio
> Controller driver: snd_hda_intel
>            Sound: Advanced Linux Sound Architecture v: k3.13.0-26-generic
> Network:   Card-1: Qualcomm Atheros AR9462 Wireless Network Adapter
> driver: ath9k
>            IF: wlan0 state: up mac: 50:b7:c3:13:d4:e6
>            Card-2: Realtek RTL8111/8168/8411 PCI Express Gigabit
> Ethernet Controller driver: r8169
>            IF: eth0 state: down mac: e8:03:9a:e0:0b:d4
>            Card-3: Atheros
> --------
>
> Now, Linux and this Samsung are not really friends ;). Since kernel >
> 3.2 i did not have any effective powermanagement (no suspend, no
> hibernate,no close_lid). Now, since the latest kernels 3.12 and higher
> and the newest catalyst driver that problem is solved, fortunately.
>
> In xev the XF86 keys are taken by xfce powermanagement (in the default
> lubuntu-rc.xml there are settings considering this case). If you
> uninstall it you get it in xev.
>
> But it seems to me that not only the XF86 keys are blocked but also
> xbacklight. It does not change the backlight even if startet out of a
> terminal, though it runs: 'xbacklight -h' runs, only applying the
> commands like -dec -inc set etc. does not have any effect.
>
> Without xfce powermanagement, i'm getting the backlight +/i popup by
> pushing the correct <Fn>keys, but they don't have any effect.
>
>
>
> --
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> Lubuntu-users at lists.ubuntu.com
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>
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