HP L2245w guard reset brightness

I have a HP L2245w monitor who does not remember its settings, and I hope that someone knows how to solve this problem.  He really likes to have the brightness to '78' even if I want the brightness to '25 '.  Every day I find myself reset brightness so that my retnas are not burned, but after a year of this its becoming an old routine.  The monitor is connected via digital output, and I have a Setup dual monitor with a regular CRT using the VGA out (the CRT remember its brightness).  This is connected via a docking station with my HP 6910P laptop.

I am sure that my monitor is in cohoots with my laptop.  For example, only 2 minutes ago, I keep my own business working on the computer, when the monitor suddenly goes black for about a half second, then instantly resets the brightness.  This makes me think that the problem lies in the way in which my laptop takes care of the installation of two screens, and the laptop is something to cause the monitor to reset the settings.

Does anyone know how to fix this?  I'm hoping to find an answer before my progresses from anger to scream and break, I am sure that my colleagues would frown on.

Then. I have a L2045w and things should be similar.

If you think the lappy and watch you plotting against you, then you can go and break things between them. What you need to do is disable the DDC - communications that allow the lappy to change things like brightness, contrast, etc..

Press menu OSD on the screen.

Go to something like 'management '.

Find what is called decision support DDC/CI (or similar)

Disable this sucker.

Let us know if it worked. Good day

Tags: HP Desktops

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