Technical Support Mac 820-2936-b 3 bips

[user10002]

Hello
I have a Mac 820-2936-b that gives 3 bips when power on ,
I checked :
Ram its ok
Power voltagens 5v , 3v , 1.5v is ok

the board appears clean with no damage , can it be vga problem ? it is comun in this models ?

Regards

 

[Patrick Ribbsaeter]

3 beeps are usually issues with RAM.

Do you have an image on the screen?

Do you have these voltages:
PP0V75_S0_DDRVTT
TP_DDRREG_PGOOD