#Why is my tv muted when i connect hdmi to mac how to#
How to Switch to RGB Full on AMD Graphics Select Display > Change Resolution, click the “Output Dynamic Range” box, and select “Full”. If you have NVIDIA graphics hardware, right-click your desktop background and select “NVIDIA Control Panel” to open the NVIDIA Control Panel.
How to Switch to RGB Full on NVIDIA Graphics Long story short: Unless you’re watching movies on a home theater PC, you’ll almost always want your computer to output color in full RGB. Your driver should automatically select RGB Full for PC displays, but this doesn’t always happen. But you can change it manually. For more information about the difference between RGB Full and RGB Limited, read this article. That’s just a quick summary of this complicated topic. If you connect your PC to a display using DVI, your drivers should automatically choose RGB Full. That’s why this problem only seems to occur when you use an HDMI connection, although some people do report it happens on DisplayPort connections. If you connect your computer to its display via HDMI, your graphics drivers may select RGB Limited if they suspect you may have connected your PC to a TV.
RELATED: What's the Difference Between HDMI and DVI? Which is Better? Your graphics card will send 16 for the blackest black, but your monitor will show it as grey, expecting 0 for the blackest black. If you have your PC set to output content in RGB Limited format, colors on your PC will look more washed out. 16 is the blackest black and 235 is the whitest white. “RGB Limited” represents colors using values from 16 to 235. 0 is the blackest black, and 255 is the whitest white. “RGB Full” represents colors using values from 0 to 255. PCs, TVs, and other devices represent colors using a range of numbers.
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