820-00609-A Apple iMac 27" 5K Retina


janoszw

Active Member
VIP PRO
Mar 6, 2015
63
1
40
Thanks. There are 5 diagnostic LED's on the logic board. On the original bios 2 diagnostic LED were on. With the new bios 3 LEDs are on so it's better but still no display... Any ideas?
 

ROBOTINCR

Active Member
VIP MEMBER
Apr 23, 2015
60
5
43
Hello friends, hoping that everyone enjoys excellent health and work, my situation is the following after several days of reviewing this team iMAC-27 A1419 EMC2834 I do not find the fault and decided to upload two small videos to know if someone has met this kind of problem and can you guide me please; With what can it be. I was reballing ic video and screen replacement. Thank you in advance for your recommendations. Thank you.WhatsApp Image 2019-09-23 at 6.21.09 PM.jpeg
 

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