W540 - brightness of the display and audio output problems

Hi all

I've got 2 separate but really annoying problems with my W540 20BH:

-display brightness keys does not:

upon awakening from Hibernation, sometimer (really, randomly!) mode the brightness screen (Fn + F5/F6) keys do not work... If the brightness of the screen is stuck on max, min, or an intermediate level...

Any who experience this problem? How to solve it? Is there a way to stop and restart the process that controls the Fn keys?

-audio channel switch gets stuck

A normal behavior of the audio configuration is:

(1) the disabled speaker, microphone disabled volume

(2) when you plug a headphone 4 pin, the headphone volume is running, microphone of the headset is turned on; the speaker volume is always turns off.

(3) when you unplug the headphones, the volume of the speakers is always 0

After each start up, the audio channel is 0, but don't commute between the helmet when it is plugged!

I have to open the Control Panel, properties of realtek. With this window, disconnect and reconnect the headset. Now the volume has its normal behavior.

Anyone experience this? You have a reversal or a better way to configure the audio channels and events, which is able to bypass the realtek Manager?

Thanks in advance to everyone!


Tags: ThinkPad Notebooks

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