T440s Turn off auto display brightness

I'm trying to turn off the auto brightness on my T440 but nothing I found so far is working.
I edited all power plans and it turned off the Auto display brightness in windows 8.1, and i also disabled the "Display Power Saving Technology" in the graphics control panel under Power.
It's dimming even with cable plugged in. If the screen consists of mostly black images, it dims.. if there is white, it brightens.
Any help how I could fix this is appreciated! I have latest everything, all drivers, etc. I have latest System Update 5 update manager which downloaded and installed everything possible.

I seem to have fixed it.. but not sure what it was, I did a few things. I did another update which downloaded a Dependency manager which was critical.. and I also did a safe mode start which failed to start and nearly bricked the machine.. only a CD was able to revive the boot process.. it would boot to a blank screen with no start options even available.

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Please click the "Kudos, Thumbs Up" at the bottom of this post if you want to say "Thanks" for helping!
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