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corrosion is cleaned and i am using 8500 maybe its not liking this set though? ill have to get a hold of some more 8500s

i will run asd shortly here are the bios files i used maybe someone can check them and see if i did clean me right and correct it if not? https://drive.google.com/open?id=1yLf_-JyzPvXS5zVkSjDNXKhzt4uZSrhz

this board powers up but it boots sometimes other times it wont. when it does boot into os it takes ages and runs slow. cpuvcore is 1.068v could a damaged bios chip cause these issues? machine looks like it was water damaged and some areas looked corroded but cleaned. bios area looks like it...

i got a board which was water damaged i revived it but had EFI password. removed it and even did the clean me process on bootup it ran really slow. are these boards affected if clean me isnt right? could it be something else? also i tested this board with everything unplugged just a usb mouse...

Ok all is good now!

So i guess not having the io cable connected made it slow. All good now. Thanks.

Yes it is.

This machine came in beeping. Reflowed ram and booted but super slow. HW monitor shows no abnormal behavior activity monitor shows kernel task up to 400% i even checked all the sensors resistors and nothing is damaged. When running safe mode it works just fine. i have now 2 other boards with...

No Title New error code. 4SNS/1/C0000008:Th1h--124 thermal heat issue i suppose but where? heat pipe heat is pretty high.

Yes, error is related to trackpad not being connected or is it slow because theres no trackpad connected?

Asd gave me a 4SNS/C0000008:Ts0P--124 error. did some research and it is related to trackpad sensor? i had nothing but the 2 usb ports hooked up and wifi card and display port.

ive gotten so much good advice here but one thing i still need to know is how do i know when something is considered a short in ohms when the multimeter wont give out a beep. you know those shorts that arent easily detectable. I remember duke telling me to measure resistance to ground and that...

Some guy here told me it can be the flex cable or trackpad too. Try replacing flex cable leading from trackpad to board. it worked for me.

Supposedly there was no liquid spill but i did notice a tiny bit of black spot on a test point near the dcin_g3h entry point to inrush limiter. Which is the area where i had to replace a diode and a transistor to get it to this point.

Check continuity between pin 2 of l8304 and the capacitor right below it. should connect to it through pin 2 as well. Check the boardview to verify.

As long as it works for you and its not taking forever to melt solder youre fine at that temp.

Funny you mention these companies being picky. I recently fixed a board for dc computers. The guy was cool but then when i showed up with the working board they didnt seem too happy i had a wire running to connect broken traces.. they said if i cannot make it look factory theyd rather just buy...

I always let my iron go up to 750 honestly.

Ok means the traces are blown between 18/19 and l830 solder a wire from 18/19 to pin 2 of l830 and verify that there is continuity also make sure you are checking voltages while screen is plugged in. u8300 could be bad but since traces are blown its possible reattaching will fix it and let...

check if you get an image or backlight. if you still dont get an image either an apple logo or flashing folder by flashing light onto the apple logo on the back of the screen then check continuity on pin 18/19 of lvds connector and pin 2 of L8304 and check voltages on pin 18/19 of lvds as well.