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Closing lid on MacBook Pro with High Sierra OS,...

I am using a 2 year old MacBook Pro 13" with High Sierra OS.  I have 2 HDMI monitors connected to the Mac.  One is connect via HDMI directly to the HDMI port on the right side and the other is connected to a thunderbolt port on the left side with a HDMI -> Thunderbolt cable.

All work fine until the lid of the MacBook is closed then every turns off.  I've check to see if the box for "allow BT keyboard or mouse to waken compute" is on (it is) but that will not work.  Only way I can get the 2 externals to work is by keeping the MacBook lid open.

Anyone else experiencing this?

Hi hmindlinii, 

Welcome to the Apple Support Communities!

From your post, I understand that you are using two external displays with your MacBook Pro and everything works as expected until you close the display on the MacBook Pro. If this is accurate, I have some information that should help. 

To begin troubleshooting, please read over and work through the steps from the following article, specifically the Enable closed-display mode section. 

Use your Mac notebook computer in closed-display mode with an external display - Apple Support

Cheers!

最后更新：2017-10-22 10:17:27

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