Finally my old Lenovo G50-70 notebook working 95% perfect with latest Catalina with external monitor /i3-4030U, Intel HD Graphics 4400, 4 GB DDR3 RAM, 128 GB SSD/ : r/hackintosh
Lenovo IdeaPad G50-70 - Notebookcheck.it
Lenovo G50-70 Core i3-4030U 15.6" HD 4GB 500GB Win. 8.1
PER Lenovo G50 70 Scheda Madre I3 4030U r5 m230 2Gb 5B20G36643 NM A271 Rev1.0|Componenti per riparazione portatile| - AliExpress