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This mac mini 2011 does not work any port usb, apparently it has the voltage, because the mouse turns on the led but it does not work. anything i can do about it?

Image is distorted after of while, mouse does not work,I tried with another ram memory, with a good operating system, also with only logic board, fan and screen and the same problem happens, with external video too

this computer rotates fan works fine with video good in display and then shuts down after seconds.The same thing also happens only with board, fan and magsafe board, these measurements when shut down, not corrosion. smc reset_l=3.4v ppbus_g3h=8.6 PP3V42_G3H=3.44 PP3V3_S5=0v

te refieres a raspar el test point hasta encontrar una pista interna y soldar un hilo al resistor?.Aqui una imagen

hello this board have corrosion in pad test point near r1915 and r1916, this test point disappeared due to corrosion,This test point is linked to the smc, it is possible to make a bridge save the board. en español(si eres de españa me entiendes mejor) esta placa tiene un problema de corrosion...

I have an imac 21 that no speaker works, it appears as blocked, forbidden sign appears when I turn up the volume it only works when the imac makes the start sound I did tests with a good operating system and the same problem I tried with headphones and it works fine no speakers appear in system...

D9701 PIN1=11.90 PIN2=11.89

Remove R9704 and run wire from R9715 to C9704 BKL_EN=3.1 PWM=3.1

not backlight on, after of wire from R9715 to C9704

BKL_EN=3.1 v BKL_PWM=1.9v multimeter, BKL_PWM levels need oscilloscope? PRAM reset 2-3 times persists problem

hello this macbook after a maintenance that i did now it does not work backlight.the macbook have image but no backlight,I also tried with a screen in good condition but the problem persists these are some measure f9700 its good D9701 PIN1=12.58 D9702 PIN2=12.56 Q9706 PIN1=12.59 PIN 2=12.59...

corrosion on u6900, which is better process, clean or change immediately u6900?

this macbook not green light, not turn on fan ppbus_g3h=12.6 smc reset_l=3.45 CHGR_ACIN=3.9v SMC_BC_ACOK_VCC = 3.48 PP3V42_G3H =3.48v PPCHGR_DCIN =16.22

yes image on internal display without backlight

I already changed the fuse, and it did not burn.not see any corrosion between its balls,change U9701?

PLT_RESET_L=3.3V Any history fault available?NOT What is the CPU core voltage after 10s?1.12V constant Did you try knoen good BIOS?yes, the problem persists; whith chipmunk usb tester, only 5v usb,but no data usb

you have bios good working

can I do this with the medussa 2?

I have a question when removing efi password is icloud disabled? How do I remove the icloud block?

test on another macbook pro mid 2012 same error appears, it is a ASD false error possible?