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Have minor liquid damage around cd3215 chip cleaned it and tried to turn it on but nothing happening, board does goes to s0 state as l7210 is outputting voltage, one thing i noticed that whenever i plug usb c charger in, mosfet near cd3215 gets extremely hot for a brief second and then it cools...

Hi, i have got this board from customer who forgot his efi password (its not stolen,she bought it from us) I checked its bios in hxd but i can't find $svs string so i don't known how to proceed with it, can anyone tell me how to remove password on it? I can't even find fsys block, otherwise i...

Previous repair attempt, every rails is present till ppddrvtt_s0, checked u7300 and found that pm_en_ldo_ddrvtt_s0(enable for ppddrvtt_s0) is missing, and that is memvtt_en which is also missing, traced it further and found that memvtt_en will come if u2110 have pm_slp_s3_l and plt_reset_l...

Its a water damaged board, damage was mostly around vcore coils and u6100, cleaned everything and board boots up but there is no image or backlight on screen, there is usb activity when i connect external device and cpu also gets warm. Vcore starts from .9 volts and then drops to .6 volts after...

this is a new board and its showing that serial number is unavailable i have removed and read bios, there is a serial number showing there, this is my first time writing serial number to this board, so i am getting bit confused, can someone write it for me...

had minor corrossion on few chips, now it turns on, but takes too long to boot, fans are spinning fast and its lagging. hwmonitor says: cpu core 2, 3 = 128c cpu proximity 35c peci sa 128c peci gpu 128c cpu core 1 128c whar sensors are responsible for core tempratures? i can't find asd for this...

no liquid damage, board is clean and no signs of corrosion, display comes on external monitor but its no image or backlight on lcd, checked l8300 and lcd_bklit_en_l is 12.40volts, so no voltage is passing it, r7742 is 0 volts, so i removed it and hooked that line to pp3v3_s5 and then backlight...

It had minor liquid damage around smc and there was no green light, reflowed smc and it started working but it was getting stuck at loading bar, so i reprogrammed bios with clean dump provided by duke on this forum, but then it started looping. fan will spin for few seconds and all power rails...

Came in for liquid damage repair, corrosion was around jtag connector and vp0r voltage sensor, cleaned and replaced few components and it started working, clened it and put new thermal paste on cpu and when i tried to test it, nothing happened, so i measured few voltages and ppbus was around...

I have a 12" retina that will give distorted screen when its turned on, when its turned on, screen will be fine until loading bar comes up, and then screen went all distorted like it have a gpu issue, its not a screen issue as it just stucks at apple logo when it happens. is there any way to fix...

Probably a long shot, i have a dell DA0D13MBCD1 rev d1 motherboard, initially it wasn't turning on, checked under microscope and found cap on vcore circuit was shorted, replaced and now it turns on, but do have anything on screen, after measuring around, i found that vcc_gfx_core is missing...

This was a water damaged machine with damage around Thunderbird, backlight capacitors and temperature sensor chip, cleaned and reflowed those areas but now when i turn it on, it takes around 60 seconds to chime and start, sometimes fan starts spinning but nothing happens, cpu vcore voltages...

i have 820-3476 that have distorted screen, i checked it under microscope and found that one pin of lvds connector was burnt, so i replaced it and it worked fine for few hours and now its back doing same thing, board have no liquid damage or whatsoever what should i check next?

I have imac late 2013 that's having distorted image when os loads up, it will have normal screen with apple logo and loading bar on start up, but screen gets all fuzzy and distorted when os loads up, even on hdmi output the screen is distorted, it works fine when put in safe mode. can it be gpu...

No liquid damage or anything, when i start and press option to select hard drive, and press enter, it gets stuck and nothing happens, this is second machine with same issue i have already reflowed u8900. What next?

All other power rails are present except ppvccgt_s0g_ph3, ph1ph2 and ppvcccpu_s0g_ph1, ph2. i have removed l7210,l7220, l7410,l7420and l7430 and diode mode measurement on cpu side is 0.002 and 0.000. is it dead cpu?

Previous repair attempt board, pp5v_s0 is missing and so is pp5v_s4rs3 but as soon i remove u8080, pp5v_s4rs3 comes back, resistance to ground on 5v_s0 line is around 90k and diode mode reading is .440. this the second board with same problem And I don't know what else to do. when i pht u8080...

i have this board, it does not have any liquid damage and the screen will turn off if i move or flex the machine little bit, i haven't seen this problem before so don't know where to begin with. where should i start first?

Its a previous repair attempt, initially it wasn't turning on, fixed it and now there is no backlight, i checked backlight enable and that was low, so i tracked it and found that smc_lid is around 1.9v, removed r5050 and its a partial short, diode mode measurement is 0.081 and i have already...

So i have this board that doesn't boot up, fan spins and i have cpu vcore, i tried plugging in usb mouse, but it doesn't light up and pch is getting hot. i have rtc voltage and its 3.3ish, so what next??