For $29/mo, we provide access to advanced level technicians who will answer your questions on any Macbook board related matter to the best of their knowledge promptly & walk you through how to solve your problem so you can deliver a working board to your customer.
Hi, Sold a 2850 board customer broke a ton of things installing it. We got it back and am attempting to repair the broken connections. The WiFi Connection was torn off on the front side all copper pads are missing. I Ran 4 wires that are under the chip and the rest of the connections in the...
Got in an 820-3787. It boots into my external drive. it does not see the ssd in the start up. If i open disk utility's it show the ssd. I have tried multiple ssd's. i also dont believe the wifi is working. Any Suggestions?
Thanks
I have a 820-3115 Board. came in with no HDD. i replaced a bunch of corroded components and i got the Hdd to show up in options but it takes for ever to load and sometime will not load anything at all. i disconnected the trackpad and the OS loads right away. it doesn't even go to options just...
Im a new repair tech and i am getting experience on older boards, wondering if anyone can help me out.
I have fan spin and green light but no display, i have back light voltage, and i checked the screen with a flashlight and there was no image
i cleaned corrosion around G4300, G9440, and...
Customer contacted about an early 2013 13" with external display issues. here is his message to us.
"My MacBook pro (early 2013) will randomly get a black screen any time that I connect it to an external display. By black screen I mean that there's nothing that will make it, no image will be...
got a 3330 with 10.5v on both sides of the backlight fuse. the screen makes a little difference in lighting when powering on and off but the backlight does not come on. i can see the options menu when i put a light up to it. tried a different test screen and same thing. swapped out u9701 and...
I have an A1425 retina not sure the exact board model number yet, (have not pulled it out the case yet).
It powers on fine and runs everything, except i have no fan spin (tested with a working one) and also no keyboard or trackpad, i tried testing with another keyboard but it didn't work. is...
got a board in with 3 long tones, 3 short tones, 3 long tones. i cannot get into the computer to know what version of efi it has. not sure if it should be automatic or if it need the disk. so i tried to run efi restore 1.9 it takes the disk runs it and then spits it out. any ideas? it looks...
Hey, I'm helping one of my local shops i work with on a customers a1278 2011. He got a log report and was wondering if anyone can make anything from it? he was doing an osx install when he developed the report but the customer was already reporting it was crashing in osx. I'm having him run asd...
I have a 2012 3330 liquid damaged, had a bad isl and some burnt up lines running on pin 17 of the isl, ran a wire. the board appeared to be working, but when i put it in a test rig connected the charger and the computer turns right on and responds to the power button on and off. if i...
any idea why this board is crashing? here is the crash report. already replaced c9560. was working or so it seemed. sold it and got it back customers said it wasn't working. it crashes on the start up.
A local pc shop brought in an imac that hangs up during start up, I tried it with my test drive and it did the same thing. I ran ASD EFI everything passed and i ran OS and everything passed there too. i figured it was likely the graphics but it passed the test. what would you think the issue is...
customer sent in a 820-3330 he said he bought it used in 2012 and used it till 2014 when it stopped working right and left it untouched. First thing i noticed was liquid damage and previous repairs. When i test, powers on, in options the hard drive icons have lines slight lines through them...
Got in a liquid damaged 3462.
trackpad connector cable had corrosion and looked like pp5v_s4_cumulus was eroded away on the cable. next to smbus_smc so i suppose it had affected that line too. Did ASD and its showing th1H SMC IO failed.
Checked U5550 and its good.
Resistance on R5550, R5551...
got in liquid damaged 3115. c7526 was completely burned off the board. ran a wire there and changed out a few components around it. smc area seemed to have green corrosion, already did a reflow. first i checked one wire. im getting 3.34v on smc_bc_acok and pp3v42_g3h, i have .19v on u6900...
have a second 3115. It is missing pm_slp_s3_l i have no pp3v3_en i have no pp5v_s0_en. serious liquid damaged corrosion throughout the board. i replaced anything that looked fried/ burnt. the boards fan spins for a second then turns off. if i smc by pass the fan stay on. u4800 are was...
liquid damaged board. has other repair shop work on it. i have no pp3v3s0 but i have 3.34v on pin 1 of c7830. 0 on pin 2. cannot seem to figure out what is holding that down or not letting it turn on. i did jump pin 1 to pin 2 of c7830 and i got 2.53v on all of the pp3v3S0 lines if that helps...
Got a 2850 board, USB works for mouse and other devices but will not power external disk drive. its like this for both usb inputs, works for mouse but will not power on the external ssd. tested the external ssd and everything works on other rigs. any ideas?
Thanks
Got in a 2936 customer liquid damaged the rig, brought it back from dead. one of the usb ports is not working, L4615 was fried, when i have usb device plugged in L4610 has 3.42v on pin 2 and 0.10v on pin 3. could this be l4610 not working properly?
Thanks in advance