linuxchan6 Posted August 24, 2020 Share Posted August 24, 2020 I am attempting to install Catalina on a Dell Precision 5510 with 4K screen with Opencore. After I selected the Install Catalina (external) option, there is only a black screen and installation does not begin. I have attached my EFI file. Any help is appreciated. EFI.zip Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted August 27, 2020 Moderators Share Posted August 27, 2020 Unless you have set the DVMT in the BIOS, you'll need to enable this quirks under Kernel AppleXcpmCfgLock Link to comment Share on other sites More sharing options...
linuxchan6 Posted August 29, 2020 Author Share Posted August 29, 2020 Thanks Jake. That was it. I am able to install now. Link to comment Share on other sites More sharing options...
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