Late 2009 iMac, completely wiped hard drive, cannot boot from usb, holding option brings white screen with mouse : r/mac
Cómo iniciar un Mac en modo Internet Recovery - Guía de reparación iFixit
iMac Apple Logo Stuck Repair Plano – iCertifiedGeek – iFix Mac PC & Data Recovery Repair Virus Windows Computer Apple iPhone Screen North Dallas Plano Texas
I got a 2009 iMac but it's got a password, any way to factory reset it? : r/mac
How to factory reset iMac 2009 without keyboard? - OurDeal.co.uk