MacBook pro screen flashing external display connection

Whenever I connect a display remotely on DVI (tried both Apple DVI-> Adapter Mini DisplayPort customized DVI-> HDMI adapter), my Macbook pro display blinks for a long time, like 1-2 minutes before you succeed. This does not happen with VGA (I tried Apple VGA-> Mini DisplayPort adapter). He is shown here:

https://www.YouTube.com/watch?v=dLmI82DDvXw

It's annoying as *. For example: whenever I visit the coffee machine or the bathroom, I have to wait 1-2 minutes until I can get back to work, because the screen was turned off until I can come back. And don't suggest me to extend the period of closure, which is not a viable solution. It happens every morning so when I get to work and turn on the computer.

Any help would be greatly appreciated!

See you soon

Hi ColonelKermit,

I understand that you have a problem with your screen when attaching it to an external monitor. You can try to fix it by resetting your NVRAM memory on your computer, which is explained in the following article:

How to reset the NVRAM on your Mac - Apple Support

https://support.Apple.com/en-us/HT204063

You can also start your computer Safe Mode, which can help to influence the situation:

Try safe mode if your Mac does not end commissioning - Apple Support

https://support.Apple.com/en-us/HT201262

Thanks for being a part of the communities of Apple Support!

Tags: Notebooks

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