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yes tried full charged battery still same issue

doesn't stay in internet recovery, chim sound and reboot. tried DFU using apple configrator, goes to DFU but doesn't stay in DFU mode. tried Revive, restart every time

Hi, I’ve got a MacBook Pro A2159 (820-01598-A) that keeps recycling before chime/Apple logo every 3–4 minutes. No visible damage or broken components found. The following signals keep rebooting every 2–3 minutes: PP1V8_AWAKE PP1V1_SLPS2R PP3V3_AWAKE PP1V8_SLPS2R PP0V8_SLPS2R Meanwhile...

Hi I’ve got a MacBook Pro A1708 (820-00875-01) that came in dead, stuck at 20V / 20mA. Suspected a short and found Q7040 shorted. I replaced it with one from a donor A2159 board, and the machine powered on fine—working and charging. But soon after, Q7040 overheated and failed again. Tried...

checked all d R/C7030/40. all looks ok. also replaced Q7065, C7051/50/7055. didn't make any difference. it takes normal current when start up and stays arount 200mAmp after boot without battery but suddenly starts fluctuating with random values 500-900mAmp for few sencods and come back to...

Hi Got a dead Macbook Pro 820-00923-A. Q7040 was faulty-short circuit. After replacement machine started working but had issue switching power from adaptor to battery when plug out the adaptor. i kept it pluged in for few hours to charged the battery and it did charge but same transistor...

Yes, i bought a 96W charger and have a DC Power supply of 140W. it works well for few days if i reset battery connection and device come to life and start working and charging. but stop working randomly if i put lid down and can not wake up. no sign on charger light. stuck at 5v. have to reset...

Hi I have 820-01598 board with almost same issue. System is in DFU Mode and all the power and signals looks ok. tried few time revive and restore but every times it throw an error 21. Can i know the process of flashing new SOC-ROM please? Thanks

Hello Guys Sorry i don't have board number right now, but will update this in few hours when go back to store again. Got a Macbook A2442 liquid damage. had a look on motherboard but didn't find any damage except touch ID not working any more. I cleaned it and it started working fine. Charged...

Hi got A2681 macbook air with keyboard and trackpad issue. track & keyboard are intermittent. When device goes in sleep mode for a long time, KBD/TP stop working. But both start working if i shutdown and restart system. i have tried a new trackpad and cable aslo but same problem. device and...

Customer is adamant and not ready to understand the issue. He needs a report from an apple authorised store which we are not.

What we can do in that case? iGPU faulty ? Or try reflow?

Hello, I recieved a A2289 board number:-820-01987-A. it was getting hot as told by customer. technician found full of dust inside and fan vent was aslo blocked. technician did a clean with air compressor without remving the board. after clean tried to test it again, it booted up normally to...

Tried SMC ByPass Mode. Removed Q8150. Same Response PP5V_S0 still changing from 0 to 4.5 V. PPBUS_G3H -8.62 stable.

Hi got an Macbook Air A1466 820-00165-A. Initially found liquid damage on U3210 and near C3286. replaced it and cleaned. but there was still no life. i can notice a pulse when switch on the power supply. current goes to normal 350-400mAmp just for 0.5 second then goes to zero and again one...

Hi Got A1707 820-00928-04 stuck at 5V. found little moisture around U3500 but did not find any damaged or shorted component. UB300 and UB400 are providing stable 5V but U3100 and U3200 are fluctuating between 1.65 and 5V in every 6-7 seconds. I have tried with known good controller but same...

Hi Got an 2020 macbook with no display. checked with external display but no luck. there is a usb activity, i can see led light in a usb mouse. No Caps lock light. CPU getting warm and stucked at 200mAmp. Some time goes to 950mAmp when startup but return back and stayes at 200mAMP PLT_RST_L...

i don't have the known good bios. Can you please provide me a link. Thanks

No previous repair history. New Board, no liquid damage. I checked with external usb drive which has a blinking light. no external video present. and PLT_RST_L is also present high.