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Yes, I tried from my personal speaker and sounds distorted. It is not a speaker issue sadly but something on the logic

I tried both and both of them fail. I also tried Monterey with usb install and also fails. basically the only OS that I can install normally is Catalina. Super strange machine.

Hello, got a MacBook A1990 from a customer the issue is thee left speaker. Basically he went to another repair store and they replaced 3 times the speaker and all of them sound distorted/buzzing. I found a little corrosion around U6400 and replaced it 2 time but I got no differences. What...

Of course, everything goes fine till the black screen with the loading that never starts loading

Hello guys I got an A2141 with a strange issue. Basically the machine can not install Ventura update. Everything works fine if I install Catalina or Big Sur. When I try to update to Ventura the machine or doesn't make the loading bar start, or fan spin for a sec at max spin and switch himself...

Hello guys, Got this 820-02020 for board repair and don't have much experience with M1 motherboard. It is stuck at 5V 0.00A and rarely moves to 0.08A with no short present on board. PPBUS_AON bouncing from 10V to 12.26V PP3v8_AON bouncing from 3.68V to 3.79V PP3v3_S2 bouncing from 2.80V to...

Hello, I have a water damaged 820-01521. After replacing U8200 and component around like R8060 - C8200 - C8201 and not the cd3215C00 I got the MacBook working. After a week I got it back, still charging on all the 4 combinations and fully working except for the data lines and hdmi from the...

Ventura installs automatically from DFU

No information available sadly. Has not been in use from a year and no water damage

Gives no issues. I have to restore the machine in DFU if I put in stand by for longer than 30 min more or less, if there battery goes low, or if I turn it off. Machine was not in use from 1 year, but inside is like new

CPU_VR_EN_R present. Gave it back... I think CPU was dead too.

Tried 3 BIOS and also to replace the BIOS chip, no success. I miss a working 820-00923 motherboard... Something else I can try?

how do I install original macOS version from the power button menu of M1? starting with SHIFT + OPTION + COMMAND + R, doesn't work just boots into Macinstosh HD

Got MacBook Air A2337 with prohibition symbol. Thought was easy only to restore in DFU and indeed worked. After testing everything looked good till I put the machine in standby, I see again the restore symbol on the screen. Basically I realised that I can use normal the machine but as soon I...

Hello everyone. Got an 820-00923 for repair and can not find out how to fix it, without water damage PPbus_g3H 13V ALL_SYS_PWRGD 3.3V 3V3_S5 3.3V 3V3_SUS 3.3V L7270 1.04V PM_PWRBTN_L 3.3V PM_SLP_S3_L 3.3V PM_SLP_S4_L 3.3V pp1V8_s0 1.8V PPVCC_S0_CPU 0V PLT_RST_L 0V PPVCC_S0_CPU 0V...

CPU core voltage (L7211) is present ~0.7V PLT_RESET_L is present 3.3V working on it I notice that the machine randomly goes back to 19V - 0.2A and than up to 19V - 0.75A. it only happens 1/2 times when I give power to the board. I will try BIOS.

Hello everybody I'm trying to fix an 820-00928 board. Maybe this is the weird board ever and in my opinion will be a no fix, but I would like to have an opinion from experts. The CPU and GPU gets hot, and machines takes up to 20V - 0.89. All the important signal are there at the same time...

Hello everyone I actually read on the forum that is possible to fix ssd shorted on the line PP2V5_NAND_SSD0. I had quite an high number of SSD short with no repair. mostly of them 15inch board o 16 inch board from 2017 - 2019. So my question is if there is a solutions to this and is possible...

can I know from 2informaticos you which are in component number of the ssd ROM and Controller? does it work if the machine has less or more capacity?

replaced U7000 and fixed it. Thanks anyway :)