Brightness can be set only on low setting
I have a Thunderbolt Display which was used with my Macbook Pro (Windows 8.1 via Boot Camp). 2 days ago it made a clicking sound and the picture went dark on the Windows OS. After that I took the Monitor home and tested it with my Macbook Pro at home (OS Sierra). I can set the brightness in the Apple OS but only from Dark - 1 -2 Points (using ctrl + f2), when I go on the next one (Number 3) it doesn´t get brighter and the picture starts to flicker. All the next brightness Settings do not change the flickering or get brighter.
Installed the Firmware 1.2 - didn´t do any change.
Maybe someone had a similar issue...
Thanks in advance!
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