820-3662-a Beeps

[tili1988]

hi i have this macbook por
the cuurent is present
PP0V75_S3_MEM_VREFDQ_A - 0,68
PP0V75_S3_MEM_VREFCA_A - 0,68
PP1V35_S3_MEM - 1,36
MEM_RESET_L - 1,36

MEM_A_ZQ<0> is 0.122 diaod mod

what else can i do ?

 

[2informaticos]

How many beeps?
Try to post usefull information, please.

 

[tili1988]

it just beeps , it doesn't make 3 beeps and that's it.

 

[2informaticos]

1 beep, infinite beeps???

 

[tili1988]

infinite beeps

 

[2informaticos]

All voltages stable?
Did you try known good BIOS?
Any history available?