hi, send lapto bios the Imac 27" A1419 motherboard 820-4652-A, turns on without image, does not give bell sound, only the first 2 leds from bottom to top.
Download BIOS repair file for apple imac 27 a1419 (a1419-cln) 820-5029-a emc 2806 820-00292-a 820-3299 820-3481-a 820-3478-a 820-4652-A 820-01134-A bios. Useful for black screen, no display and motherboard-level troubleshooting.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.