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This a1425 Board chimes like a bird but works from external monitor using HDMI you could use the computer normal which is weird but the screen is not recognize not even back light doesn't work or no image when testing voltage for on U9701 two missing voltage BKLT_EN and BKL_FET_CNTL even when...

Hi I have and mac book air with green light and amber light thereafter but it would not turn on this is an 820-00165-A but I notice when I remove the io board and plug back in the charger it would turn on so I found u6010 pp3v3_so would be missing when io board is plugin I change the io...

Hi I have an iPhone 6 it boots with white apple logo amp draw is 0.7 it stays at 0.7 amp for about 40 seconds then blank screen but amp stays around 0.6 USB is not detecting to computer there is no short I replace tristar and did diode mode reading and still same problem so I replace u1501 and...

Hi, I have and mac book air 820-3437 with blinking, flashing display I measure Q7707 where I found pin 5 voltage going in and out from 3.3 to.09 soi change the backlight driver and all its resistor around it am still getting flashing backlight I check R7789 and R7788 and the resistance is...

Hi I have an 820-2523 with these rails working PPBUS_G3H =12.61 PP3V42_G3H =3.4 PP5V_S3 =5.v PP3V3_S5 =3v am missing my so rails they read 0.0v except for L7770 I get 1.06v with greenlight at MagSafe original one please advise maybe something a,m missing thanks.

Hi again i have a 820-2936 green light no power no fan i get 12 volts PPBUS_G3H through out the system but am missing PP5V_S3 at l2660 could you please help me if am wrong let me know thanks

Hi, i have and A1278-2936 Board with green light at the charger.But ppbus_g3h is 1.6volts i even change u7000 and still same problem.What do you recommend? Please see my attachment for the rail i have checked.

Hi, I have a Sony Vaio SVF152 Series SVF1521MCXB Intel i7-3217U Motherboard DA0HK9MB6D0 that wont turn on or show any led lights i checked the basic parts like battery and ac wall charger once plug in the laptop remain dead no sign of power please see my attachment.