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this one came clean, with this weird issue, it shuts down at random it doesnt mater whenever its on the case or the board alone with nothing connected!
first it would show the shut down window, asking for sleep, turn off, and then shut down outta nowhere, after a few seconds...now it has...
well, i put it outta the case, and it turned on. booted to osx, and get a kernel panic -spinlock acquisition timed out-, after that it shut down with a black screen...so i guess this is a RAM issue?, or what else can cause this?
if its ram, its worth fixing? where would i get the ram chips for...
yes board tested outside, same result.
i checked no video anywhere.
i throughly checked the board but i cant find anything else...
when its on, i get all voltages, but since shuts down after a few seconds...
this one came, with a very weird issue...it would turn on, then after a minute or so, would freeze and keeps the cpu heating up, while no video or usb activity meaning braindead...after that i took the board out of the case, and found C7701 knocked down, so i replaced it. i put everything back...
hello...no history, no water damage.
I checked and there is voltage.
webcam works.
and I don't get the "critical update error" either...this is so weird
basicallyh the title, with a fake crap chinese charger it charges, with a original apple one, i dont get green light or anything!. where do i start to check?
basically the title, what can i use to fix this?. like using alcohol or listerine it takes ages and there are cases where a part doesnt come off!. qwhat can reliabily take it off?
Welllll. i figured this shit out :D. after testing with more than 20 dumps, i put HWmonitor and noticed that the left fin stack was at 70C. even thought ASD said sensors were fine...so i checked the board and noticed that U5860 was heating up, replaced and everything is working fine now. and i...
first one, fucked ME region, slow as fuck, and sometimes doesnt boot.
second one its from a 2013 one, meaning EMC 2673, slow as fuck too!.
just in case i used ASD to test sensors and everything looks fine...i called customer too, and he said that machine worked fine before catalina update, it...
well ive checked for external video and nothing. so no usb activity. it seems water damaged, corrosion at backlight caps and tripped water seals. ive cleaned the corrosion but the issue persist: cpu gets hot, fan spin, and nothing more...
already tested for usb activity, a connected mouse, blinks once and thats all. ill check for external video. no idea what happened, but i can see some green stuff at wifi controller.
well that isnt the issue. since i formatted the ssd and put sierra in there...i even tested with a ssd with maverick and it doesnt work. so it has to be the efi dump!. since before it saw the same drive. i formated the client ssdwith sierra. so can you share a good know one?