HBO Max video is blank

Hi mak310,

It seems you're having some issues with HBO Max playing on your Mac and we can help.

Do you have your Mac connected to any external displays or other accessories? Try unplugging those and testing again.

Also try starting to safe mode to see if that solve the issue:

How to use safe mode on your Mac

Does HBO Max work then?

You can also review the HBO Max requirements page here:

You can stream HBO Max on iPhone or iPad, Amazon Fire devices, Android phone or tablet, Android TV, Apple TV, PlayStation, Roku, Samsung TV, the Xbox, and Xfinity F1 and Flex.

Let us know what happens.

Thanks for using the Apple Support Communities.