Cannot get HD4000 graphics working on Optiplex 3011 AIO

Hi everyone, I'm trying to get catalina going on an older Dell Optiplex 3011 AIO with an i7-3770K and Intel HD 4000 graphics. I have the installer USB going and it seems to boot all the way through - but at the point where normally the verbose text goes away and the apple logo appears, the display just shuts off, backlight and everything. I was able to eventually get everything installed to the SSD using the -igfxvesa flag, that does bring the screen up at full res but very laggy and only...

Read more

Author: silicongraphics