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New MacPro with two HDMI ports not working with HDMI to DVI or HDMI to VGA adapters.

We recently received the new MacPro that comes with two HDMI ports. I attached the Apple HDMI to DVI adapter and the screen shows "no signal". I have another screen that I tried using the HDMI to VGA adapter and also nothing. I attached a TV via HDMI and it works.


Any ideas about why the screens aren't working?

Mac Pro

Posted on Jan 5, 2021 7:29 AM

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Question marked as Top-ranking reply

Posted on Jan 5, 2021 8:39 AM

What resolution is the DVI display you are using? the apple adapter and many others are for Single-Link DVI, up to 1920 wide but NOT wider.


what adapter are you using for VGA?

1 reply

New MacPro with two HDMI ports not working with HDMI to DVI or HDMI to VGA adapters.

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