Paul if the focus is way off you won’t see a star in live view, maybe not with time exposure. Do as suggested: take your scope outside in daylight and get it focused using live view on a far away tree top or some such. Mark your focus position. Then you will be close at night.
Wes, Southport NC
EXos2-GT PMC-8, iExos 100
ES ED 127, 10" LX200GPS+wedge, Astro-Tech 8" Newt, ETX-90, 60mm no-name guide scope ~ 260mm FL
Polemaster, Orion ST-80 and SAG, ZWO 290MM, D5300 astro modified
Nina, Bootcamped Mac Mini control computer, RDP to iMAC
110 amp hour lead acid deep discharge battery for field power
Electrical Engineer, Retired