dell Inspiron 15r 4420 8gigs ram 1600 ddr3 intel graohics 400 harddrive 599gigs
got high Sierra installed did all steps in forum post for dell Inspiron 15 r 5520 for 10.14 just used 10.13 image since my netgear a6150 only goes up to10.13 it won't boot after without usb after I did steps the usb keeps disconnecting