Problems connecting an Acer KG1 monitor

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Problems connecting an Acer KG1 monitor

I'm trying to connect a Acer KG1 Monitor to a Macbook Pro 15" using an USB-C to HDMI cable.

When I first connect the cable, the OS sets the monitor refresh rate to 144hz and the monitor displays a

'No Signal' message.

If I use the Mirror Displays option and switch the refresh rate to 50hz, the monitor works. Turning Mirror Displays off, the refresh rates updates automatically.

Is there any way to force the 50hz refresh rate? Or anyway I can switch the refresh rate without being able to see? Or any others thing that might fix it?

MacBook Pro 15″, macOS 11.2

Posted on Mar 17, 2021 8:39 PM

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Answer 1

MVegas21

Community Specialist

Mar 19, 2021 9:12 AM in response to marcelomenin

Hi marcelomenin,

Thanks for participating in the Apple Support Communities. It appears that your external display isn't working as expected, so we'd like to share a resource with you. Many display issues can be resolved by updating the software on your Apple devices or replacing cables, and adapters. Get help with video issues on external displays connected to your Mac has some additional steps that can be tried.

Reply to this message if additional help is needed.

Cheers!

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Problems connecting an Acer KG1 monitor

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