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I am home from work now, but will check in the morning. thanks 2informaticos for your help, as always

OK, 820-2879-B. No power. No Charge LED. No PP3V42_G3H or PPBUS_G3H. I am using a 80w Adapter. OK U6900 Pin 1 0.003v Pin 2 0.001v Pin 3 0.000v Pin 4 0.001v Pin 5 0.033 to 0.053v C6908 Pin 1 0.089v Pin 2 0.000v C6905 Pin 1 16.60v Pin 2 0.000v F6905 Pin 1 16.60v Pin 2 16.60v R6929 Pin 1 0.031v...

Just tried another trackpad and cable, same... :(

Yep, just the external drive connected, nope did not try another cable, will do that now, but I did try with the cable disconnected and a USB mouse, still slow. No fans do not spin high.

Tried with an external test O/S, still slow AF. I must have every SSD available for these Mac's apart from the one in it...LOL

Hi all. I put up a post a few days back but it seems to not be showing. However, ASD did finally throw up 2 errors, ( was taking an age to complete). Quick recap. A1466 ( 820-3209-A) liquid ingress. Keyboard requires replacement. New one connected. System running very slow. Run ASD and 2...

I will do that, after I double glove. It makes me die, expensive equipment gets no love. I know macbooks do suffer liquid ingress wise, but this, this is just wrong.

Who fancies working on this

:(. Watched a few videos and read a couple of tutorials. Most show PC???? but there are a couple of Mac ones. they show that you need to be in the OSx to a) get your version and b) to reprogram/ clear the ME. At this point I cant go no further as can not get into OSx. I do not have a Medusa 2...

Afternoon all from the UK.... again. Macbook Pro A1425 emc 2557 820-3462-A. Customer reported symptoms that the Apple logo comes up, bar underneath goes about 4mm across-> MBP powers OFF. SMC and PRAM reset done, issue still evident. I initally suspected the SSD so disconnected it from the logic...

Hi all. After listing the above results and following what 2informaticos suggested, I can comfirm the issue has be diagnosed and awaiting customer confirmation for repair. The issue is the screen unit. Thank you 2informaticos for your assistance. I have sent you an email but I will be posting up...

HI 2informaticos . Hope you dont mind but i have sent you a PM.

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Hi 2informaticos . OK above testing was done without the screen attached. I did do a PRAM and SMC reset prior to doing the probing, but did the PRAM one again. I also reconnected the screen. Updated info:- Still no chine. Connected a HDD that I have got multiple OSx on and the LED flashes. I...

Morning guys. Logic board 820-3435-B. no image. screen illuminates. no chime ( may be turned off). Logic board is immaculate.... to immaculate TBH. Tested so far:- Pins 18/19 J8300 PP3V3_S0SW_LCD_UF =0.00v L8304 Pins 1/2 =0.00v R5670 not fitted U8300 pin 1 EDP_PANEL_PWR= 0.00v pin 2/3...

It did fire up say once in every 4ish times to the no files icon. when attempting to load the O/S from another drive it would crash back to the black screen with 3 beeps. If it got to the point of allowing the installation progressing then there was green blocks in random places on the screen...

WOW!!!! Decision made. Customer was rude and demamded that the MBA was working fine when he gave it to me. Seeing as I powered it on when he was here and it's in exactly the same state now, I felt he was being..... umm a douch. So he has it back. No longer my problem. Dont get me wrong, I was...

thats the thing though 2informaticos , I dont trust my skills enough to attempt this level of repair. It is not an issue if its my mba but its a customers and at this time it does ( however not all the time) power on and give an image. Do not want to risk killing the logic board and then have to...

here is the link with the images

Will not let me upload the files. I will put them on my server with a link so you can view.