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I noticed that screen was changed with a low quality one. Tested with original and the issue is gone. Can it be?

i fixed the issue with the UR300 installing the original one, so now screen acts normal again and I have just the issue of the trackpad and keyboard not working. Now both work in the alt menu, and not further in the booting or into the OS all the time. The lid sensor is not detecting the...

After changing 2 times all the cd3217, the issue was the U2890 board works :D

No error in diagnostic mode. if I try to boot from big Sur test external os at 2cm of loading bar fan spin high and restarts with the message your computer restarted because of a problem. Than boots fine into login Catalina installed on ssd.

Hello, I have a 16 inch MacBook Pro got it with bootloop at startup. At the first apple loading bar macbook was going off with high fan spin. I DFU restored with no issue and tried to install Sonoma. Downloaded with no issue and at less than half installation bar, the bootloop started. It...

Hello, I have a Macbook 16 inch stuck at 5V both the left ports UB400 - UB30 do bootloop The right ports U3100 - U3200 do not bootloop PPBUS is 12.29V PP3v3_G3H_RTC_X = 3.3V Which ports I have to replace? they are CD3217B12

Apparently UR300 is the issue, at the moment, probably I pressed it while working for the cable. I pulled the same chip from a spare board and looks different, and does not work. Any ideas?

AMR_RIGHT_OR_ND_1V8 is present Now the issue is constantly there, can not make the keyboard and trackpad working. PP5V_S2SW_IPD is 0.3V and slowly decreases to 0. Trackpad is clicking for the first 3 seconds and after booting not working. The lid sensor is not detecting the screen closing...

AMR_LEFT_OR_ND_1V8 is there the right one is hard to test because board is inside and to make the issue screen and keyboard needs to be connected. i noticed without the battery connected the closing lid sensor does not work. is that normal?

enable is missing. Going back I miss everything when issue is there so : P3V3_S2SW_IPD_EN missing IPD_PWR_EN_GATE missing P5VS2_PWR_EN missing IPD_PWR_EN missing PP1V8_AON_MPMU present can it be UC870 ? or it is U8100?

Battery is charging and machine works fine without battery. The issue also appears when screen goes on sleep. While diagnosing I realised is missing the PP5V_S2SW_IPD when issue is there. But PP5V_S2 is always there. Can be LT403 or UC840?

With the problem going on IPD_LID_OPEN_1V8 = 1.781V

Hello guys, There is a similar post on the forum with the same issue but not complete. I tried to reflow all the components around the UT330 but the issue is not fixed. After an SMC reset it works again till the next standby. Since I have 3 MacBooks with the same issue, I wish to understand...

Hello guys, I have an A2442 MacBook that randomly gets stuck at 5V and does not boot of course. If I unplug the battery it boots fine. Than I plug the battery back and also works fine till a point where it gets randomly stuck at 5V again. Sometimes after 1 week, others after 1 months. What...

no at this point. i am a bit lost. how can I check what is not working?

Headphones sound is correct? yes C6450 and C6500 i repleced just in case, no differences. replaced u6500 no differences. still audio goes lower after 20-30 seconds on both the speakers.

Hello, I have an 820-00281 board with strage audio issue. The right speaker came I for replacement because of randomly loosing the tweet tones. Replaced with new one and is better but still sounds distorted. I replaced U6550 and is almost perfect but still has same distortion. Now after 1...

the short appears also after having the board on for 15s DFU restore fails.

820-00850 board with 65Ω to ground on PP3V3_G3H. With plugged-in charger, I get 3.3V on PP3V3_G3H and 20V. Sometimes the short disappear and as soon I give power and remove it the short is back. When I inject 1-3V into PP3V3_G3H, I can not see any parts that gets even warm and takes...

i relaced 3 times the redriver and 2 times the cd3215 without success. Looks like after NVRAM is able to read the external drive without succeeding the boot because gives a lock symbol. What should I do?