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changed the bios , still same problem!!!! any other advice!!!!!

ASD passes ... so now bios change?

ok ill first run asd , then change bios

i think its might be bios too... should i change the bios

this board 820-3115-b, intel i7 cpu , super clean .. no water damage or anything, some time hard to install os, if it install it shows this pls chk pic... i changed new hd, and hd cable... still same problem.....cant go to main screen, tried different version os .. same thing ... any idea ?

hello macbook air, 820-3437, board , not going to sleep, when you close the lid

No Title louis when board is on the table still doing same thing , some time turns on some time dont

C1300 and c1303 3.3v when not turns on

when does not turn on , here is the voltage PP5V_S4RS3=0v PP3V3_S5_REG_R=3.3v SMC_RESET_L= 3.4v S5_PWRGD=3.4v PM_SLP_S4_L=0v PM_SLP_S3_l=0v ( no s4 , so there should not be s3 any way ) pls tell me which other voltage should you need ..

which one is JTAG ?

got this board some time turns on some time , dont ... no water damage or physical damage at all. clean board.. its turns on most of the time when its out of mac.. when i put it in most of the time it does not want to turn on . when it turns on battery charger everything is ok....

lol no , i would never do that .. the board had water damage, u7701 had shot to ground , also feed back trace from diod to A5 was missing too, i put the new chip , fix the trace , i was getting 39v out put, still no back light , then some one told me to change the connector , so i did change...

SOLVEDDDDDDDDDDD.....any guess what was the problem? i was getting 39v on pin, also new connector , lcd was good but no back light ........you guess then ill tell what was wrong ..feels so good ;))))

EN signal is there, PWM should i chk with lcd connected ?

backlight return r7727-22 has arounf 18-19v

also old connector was looking good b4 change ,

yes the 3/4 connector has 39v... also new connector , i chk the lcd with different board it light up ...

i already changed the connector , even thou the original connector was looking really good, also tested the screen with another mac it work perfect, any iidea?? im getting no load 39v.... in c8317, connector good, lcd good ....

ya FB trace was gone just fixed it , now getting 39v, c8317 , still no back light ,

820-3437 board no back light , there was slight water damage , no back light, there shot to ground on u7701 and fuse was blown , board cleaned now , changed the fuse and u7701, not the shot to ground is gone , still no back light , after connecting screen i get 8.59v on L7701, the voltage...