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Did you do the DDC configuration process (the slightly pulsating blue button in the app menu)? If so, the app should have detected that DDC is not available on the TV and disable DDC control, switching to color table control to enable brightness control for the entire slider range. |
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Hi ,
I want to control brightness with the available slider of my external TCL TV. I can control the brightness of the built in Mac display, but not the external. The slider is there, and I can move it but with no effect.
Is there something I need to enable?
Thank you
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