brightness button Fn on broken dell m6600

question brightness Fn key: System | Reference Dell m6600 | Win 7 64 | 300 m NVIDIA | Optimus enabled

Using the key "fn + up to" or "fn + down" iniates UI brightness, as usual, but no change in brightness and no change in the level indicator user interface. Just stay in the same place.

In addition, none of the windows 7 (64-bit) brightness settings or adjustments sliders effect is the brightness. Simply drag the sliders without effect.

Even with the application of the color of the Prime Minister. Slides, but no change.

Using the key Board on screen does not work either.

All other fn button works as expected, it's just the brightness.

However, I still have the brightness setting in the bios and it seems the sytem is staying where the bios has been set. For example if I we supply, it is set to the brightness of the bios on ca, and if I use the battery, he died in the brilliance of the bios on the farm configuration.

What happens on two m6600 dell.

I've recently updated to the latest driver whql certified nvidia verde on the two (ver295) and the stability of the Optimus was average, much, much better. Dare I say that it does not work as expected.

I tried one of the system management of the dell m6600 updated for the pack of development of features of dell (which is supposed to be the new management system) and always exactly the same, except the user interface has been redesigned and resemble a world of 1990s regretable of UI design.

No matter what tech savvy people out there want to take a crack at fixing this. There is no any what error reports related to this in my event viewer I know, but I'm new in the world to break the feet.

Thanks in advance,

Daniel

Following my above original message: problem solved! (for now)

I had also recently installed the latest Intel graphics driver from the Intel website (version 8.15.10.2509) to address the issues of Optimus, I got with my system. I came across this thread:

.. .and someone had mentioned that when they had installed intel provided drivers, they had a similar problem with the brightness fn key does not.

So I re-installed the latest Dell provided the version of the graphics driver Intel (r307994, version 8.15.10.2418). The installer told my that I was installing an older version of the driver, but I decided to do it anyway.

The key fn brightness key is new Bebee! OK, so now that I got a satisfaction, does anyone have a hypothesis as to why this would happen? What is Dell? to the driver before they release it on their Web site also certify and wrap it up in their own setup package

It boggles my mind...

However, I have yet to know if Optimus is still stable after restoring back on the Intel graphics driver. I'm hoping that recently update driver Nvidia verde (295) was everything that I need all along...

I cross my fingers.

Tags: Dell Laptop

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