Hello,
Sorry if this has already been discussed elsewhere but I wasn't able to find a solution to my specific problem.
I'm trying to upgrade a mid-2007 iMac to Monterey through Opencore Legacy Patcher after upgrading SSD, RAM and CPU (T9300). After booting into Startup Manager and selecting Opencore EFI the verbose startup gets stuck for a while on "AppleUSBHostPort::disconnect: persistent enumeration failures. After that the booting continues and then I und up with a black screen apparently telling me to connect the mouse and keyboard (see pictures). I guess something is wrong with the USB ports at this point, but everything works up to this point.
Any suggestions?
Thank you
Sorry if this has already been discussed elsewhere but I wasn't able to find a solution to my specific problem.
I'm trying to upgrade a mid-2007 iMac to Monterey through Opencore Legacy Patcher after upgrading SSD, RAM and CPU (T9300). After booting into Startup Manager and selecting Opencore EFI the verbose startup gets stuck for a while on "AppleUSBHostPort::disconnect: persistent enumeration failures. After that the booting continues and then I und up with a black screen apparently telling me to connect the mouse and keyboard (see pictures). I guess something is wrong with the USB ports at this point, but everything works up to this point.
Any suggestions?
Thank you
