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hello this computer does not recognize a hard drive, could you help me what measures should I take?

board not green light,not turn on this measure, test good i/o board. PPVRTC_G3H=3.4 PPBUS_G3H=8.19 PP3V42_G3H=3.4 PP3V3_S5_REG_R=0v SMC_RESET_L=3.4v

Check SMC_DCIN/PBUS_VSENSE and SMC_DCIN/CHGR_BMON_ISENSE.All 0v, its normal? the computer must be turned on SMC bypass SMC_DCIN=2.3 PBUS_VSENSE=1.4v CHGR_BMON_ISENSE=0v resistance pin 17/18 and 27/28 is good.Yes load macos, but they only load some 2 items HW MONITOR, I've tried adding other...

AVREF_SMC=3.2v

820-3332

ok tengo una duda, donde mido vsense,isense hay muchos puntos donde esta, quien genera vsense, isense en que pagina estos sensores smc

Can you help me with the schematic and boardview for this board that I can't find?

Hello this board, not detect trackpad and keyboard.Test cable ipd cable and trackpad good condition, persist problem

PM_BATLOW_L=3.3v PM_DSW_PWRGD=3.4v PCH_DSWVRMEN=3.2 SMC_ADAPTER_EN=3.3v PM_RSMRST_L=3.3, RTC_RESET_L=3.3v PCH_SRTCRST_L=3.3v PCH_INTRUDER_L=3v PCH_INTVRMEN=3.1v

Trigger SMC_ONOFF_L and there is a pulse PM_PWRBTN_L, but there is no pulse PM_SLP_S4.

porque pensaba s4 estaba antes que 3V3_SUS en secuencia encendido, si es original cargador 60w. 3V3_SUS=3.3V

hellos this problem not turn on,this measures PP3V42_G3H=3.41 PPBUS_G3H=12.58 PP3V3_S5=3.3v PP5V_S4=0v

SO WHAT ELSE CAN I DO?

ok those are measures, but not video, not fan. amp 19.92, 0.608A PPBUS_G3H=9.7v PP3V3_S5=3.3v PP5V_S4=5.1 PPVCCEDRAM_S0_REG_R=1.05 PPVCCGT_CPU_PH1=1.046 PPVCC_S0_CPU=0.87 PPVCCPRIMCORE_SUS_PCH=1v PP1V0_SUS=1v PP1V2_S3 =1.2 PPVCCIO_S0_CPU =0.97

ok, the computer is only turn on in bypass mode, do you think it is due to the gpu

hello this board It turns off after a while of using it, how do I determine that it is indeed video damage?

Could you give me a BIOS in good condition, chip rom is u6100 is true? Any history available? algo de pelusa sobre u7100 como se ve en la foto, ya limpie pero persiste problema con camara termica calienta u7210,l7030 despues de un tiempo

this board turns on fan without video, hot cpu, amp=19v 2.9A this measure PPBUS_G3H=9.7v PP3V3_S5=3.3v PP5V_S4=5.1 PPVCCEDRAM_S0_REG_R=1.05 PPVCCGT_CPU_PH1=0v PPVCC_S0_CPU=1.05 PPVCCPRIMCORE_SUS_PCH=1v PP1V0_SUS=1v PP1V2_S3 =1.2 PPVCCIO_S0_CPU =0.97

Buenas quiseras que me ayudaras a encontrar mejor solucion para este caso Tengo un imac 27 mid 2011 el cual tiene problemas tarjeta video, hay varias posibles soluciones 1 hacerle reballing, segun tu experiencia es posible que vuelva a fallar o es poco probable? 2 cambiarle el chip video...

Yes original charger 60w, PM_BATLOW_L=3.3v PM_DSW_PWRGD=3.4v PCH_DSWVRMEN=3.2v SMC_ADAPTER_EN=3.3v SMC_PM_G2_EN3.4v 3V3_S5=3.3V 3V3_SUS=3.3V