Technical Support apple a1369 820-3023-a

[samemuro]

macbook air apple a1466 emc 2559 820-3023-a continous 3 beeps

 

[samemuro]

macbook air apple a1369 820-3023-a continous 3 beeps

how to fix

 

[pankajbiyani]

how to fix

Check Ram

 

[samemuro]

Check Ram

ram it is integrated on motherboard

 

[Ahmad Safari]

Try to reflow the RAM ICs with hot-air and a good quality flux!
(you should first practice on a spare board, since it helps to move the chips a bit when the solder is melted!)