Adjust brightness on Desktop HP x20LED

Cannot change brightness setting on monitor,  HP x20LED,
On pressing the menu button on front, a small window appears which shows a brightness slider but cant get into the window with cursor to adjust it. There are also manual + and – buttons on front,  but these merely  move up and down the items in the window.  This window cannot be screenshot otherwise I would have sent you a picture.
There is also an AUTO   button, but don’t want to  experiment with this.

Hello andrewridley. I understand you are experiencing issues adjusting the brightness on your screen. Please reference this Microsoft document on how to adjust the brightness of the screen: http://windows.microsoft.com/en-ca/windows7/adjust-your-monitors-brightness-and-contrast
Please respond after following the suggestions in this document so I know the results. I will continue to assist you if necessary.
Mario
I worked on behalf of HP.

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