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Hello guys i have a 820-2915 missing PM_SLP_S4_L no 5V_S3 , after some trouble shoot i find out that PP1V5_S3RS0_CPUDDR as soon as it gets into Q7950 send all to hell , if i remove R7954 , i get a PM_SLP_S4_L and working s0 rails , no fan spin , i did replace Q7950 no result , i did remove...

i got a water damaged 820-2936 with destroyed lcd connector , resistors and caps around lcd connector very bad shape , and other corroded stuff , i replace everything that was looking bad , including the lcd connector , now machine power on , i hear the chime , mouse lights , ram reset is works...

i been saving some boards that I'm unable to fix , they all seems to have same problem quarter fin spin , green light ok , 12.6v ok , 3v3_s5 ok , but on 5v_s3 voltage go back and foward , thinking that maybe something is getting the voltage down ahead , i decide to remove the resistor that...

hello I have a 820-2914 that pass the ASD but I cant install any os using usb , the only way I was able to install a system was with internet recovery , its lion , but everything is really slow , since asd pass this are not sensor problems? how I can start to troubleshoot this? thank you.

This 820-3437 powers on when charger is plug , works normally no problems etc , just 1 detail power button don't work , and sometimes after power off becomes dead , and don't want to power on , unless board is take out battery remove , and all plug back in , then when charger is plug works...

hello masters of the universe I have a 820-2936 that turn on , fan spins , laser mouse light , I see voltage on the vcore , without ram beeps , with ram I get no chime or display , I check on L9004 and I got nothing I follow and LCD_IG_PWR_EN is not there. I got this logicboard from a...