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  1. Dozer

    staingate cleaned with Lysterin

    yes thats true, its today already much more little but still there
  2. Dozer

    staingate cleaned with Lysterin

    Hi folks, I cleaned a 13" A1502 with lysterin, display is like new now, after turn on there is now in the corner left side a brighter area, what i did wrong? what can i do, has someone experience with this?
  3. Dozer

    820-00850 no kbd no tpad

    that worked, thanks, i tried that before but with "ALT + "T" :-) and thought it dont work The board is a mess but I could made in Target Mode a complete clone. problem solved for now.
  4. Dozer

    820-00850 no kbd no tpad

    hi, i have an intresting case got this macbook pro its turning on and booting until the password screen, cursor is blinking but it is not possible to use the kbd or the tpad. external kbd or mouse not working as well. the client want to copy the ssd data, no idea how i found out that...
  5. Dozer

    is it possible to replace topcase from A2337 M1 chip ?

    hi is it possible to replace topcase from A2337 M1 chip without problems? or is it possible that the mainboard dont turn on after that until apple service turn off the blocking?
  6. Dozer

    820-00165 camera not working

    ok, so that means before i reballed u3900 the chip was with problems as well?
  7. Dozer

    820-00165 camera not working

    with el capitan is the same effect. only that it drops to zero later, about this moment when the screen is flicker before curser can see. (in osx elcapitan half way from the load line under the apple logo)
  8. Dozer

    820-00165 camera not working

    PP1V2_CAM_XTALPCIEVDD has 1.19V and it drops to 0 like the 25Mhz Signal in about 1/3 of the line under the apple logo while loading osxi now will try osx el capitan
  9. Dozer

    820-00165 camera not working

    I still replaced the J4002 isight connector but not better but now i notifyed an intresting fact measuring R4008 pin 2 the board has a nice wave 25Mhz signal after starting, tried big sur and high sierra comes apple logo and under the logo the loading line, in about 1/3 of th line the 25Mhz...
  10. Dozer

    820-00165 camera not working

    no, there is only the message "No video capture devices were found"
  11. Dozer

    820-00165 camera not working

    I replaced now the 3900 but still the same :-( only ALS sensor is working
  12. Dozer

    820-00165 camera not working

    conector resoldered without any change tried to detect u3900 via terminal but the command lspci doesnt work instead i used ioreg -l | grep PCI got this but i dont know what it means
  13. Dozer

    820-00165 camera not working

    yes I forgot to post, checked already L4007/09 in diode mode same readings like on a working board tomorrow i will resolder cam connector and try in terminal to detected u3900 on the PCIe bus like described, thanks @piernov is this what i wrote above not the data lines? ... MIPI_CLK_P and /N...
  14. Dozer

    820-00165 camera not working

    yes i tried the bios untouched there was only one for 2017 my board is a 2017 original serial is FVHVCG6HJ1WK
  15. Dozer

    820-00165 camera not working

    got this macbook air as an npo no green/orange light the machine was in other repair place, they took out the ssd and copied the date, gave machine back as repair not possible. my client asked me to chek first if this ist the original board from his machine. so i desoldered the bios chip read...
  16. Dozer

    820-3481 iMac 2013 27" no external Display

    Problem ist solved! thanks to @EsteTron, I found the same problem https://boards.rossmanngroup.com/threads/imac-27-late-2013-820-3481.59938/ after replacing the burned Thunderbolt Host working great again, thanks all for help
  17. Dozer

    iMac 27" Late 2013 820-3481

    I had the same problem, same solution, I can confirm that it works (I toke also from 820-3437), the burning point was in the same place! Great job @EsteTron, thanks for that post!
  18. Dozer

    A1398 Battery Service

    thanks, saving client data can i use to do this time machine ?
  19. Dozer

    A1398 Battery Service

    I got an A1398 2.8GhZ, 16GB, mid 2014, OSX 10.15.7 with bad Akku After replacing it came back because it shows by clicking on battery symbol "service needed..." I replaced the accu checked, no service symbol and sent back Now i got again with the same problem (1 day later) I dont had password...
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