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To get started, open your "Display & Sound" settings. Note: To change the screen brightness, check the TV manufacturer's instructions. I told them about the Zoom trick and they were quite happy with such an easy fix.To customize your video experience on your Chromecast with Google TV (HD) or Chromecast with Google TV (4K), adjust your display settings.
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The green resize buttons were inaccessible as well as the drag-to-resize portion of the window itself. I set a relative up with a dual-screen Mac setup recently and they love it, well, until they disconnected their MacBook Pro from the external display to find that a browser window sized at 1650×1080 was hanging way off the smaller resolution internal display running at 1280×800. “Help! There’s a window on my Mac that is too big to resize, it’s hanging off the screen! How do I fix this?” – This is the phone call that spawned this post. These tricks work to move off screen windows in all versions of MacOS and Mac OS X, regardless of what the Mac is running, whether it’s macOS Mojave, macOS High Sierra, MacOS Sierra, Mac OS X El Capitan, Yosemite, Mavericks, Mountain Lion, Snow Leopard, or whatever else. The Window menu is available in virtually every Mac OS X application and will always be accessible for resizing and ‘zooming’ windows to fit onto the available resolution. This is possible from the Apple menu > System Preferences > Display section of settings.
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Of course, this is assuming you have access to the green zoom button.
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