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What does the area around Y5110 look like?
Also, is U5110 nice and clean?Last edited by kevingill; 07-03-2024, 01:55 AM.
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Is the problem with PP5V_S3_REG or PP5V5_CHGR_VDDP?
Are you using an 85W charger BTW?
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I have successfully written the EFI using a similar method, but you may need to try with/without battery and/or power supply. If that fails, then certainly remove the EFI ROM with hot air and do it that way....
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You could use the Mac EFI Toolkit to remove the EFI password by clicking the padlock
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That BIOS file doesn't look right. Can you try reading again and compare the two to make sure?
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You may be better doing some reading on repair of MacBooks. I can recommend Louis's guide here : [url]https://docs.google.com/presentation/d/1PkeO_lC5WTPScSV3ZzEEjVuDWeQtL2eHK6jEcf7axA0/edit?pli=1#slide=id.gb813305ed3_143_1393[/url]https://You may be better doing some...143_1393[/url]
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What resistance to ground is on pin 1 of F7040 (PPVBAT_G3H_CHGR_REG)? Do you get a voltage on pin 1 of F7040?...
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Just had this fault on a MacBook M1.
It was the headphone jack board that was faulty and bringing down the whole board.
Unplugged the connector and the MacBook boots.
Couldn't see anything obviously wrong with the board, but going to order a replacement headphone jack board.
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I find it interesting that even with a bypass, where you have full access to the MacBook, yet still can't remove the previous owner details.
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I've overwrote the section between $SVS markers with FF.
Should work fine now....
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With the fuse removed, do you get a voltage on pin 1 of F7140?
If not, I'd look at checking/replacing U7100...
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Check power rails in power up sequence.
Use this site as a guide for your board.
[url]https://openboarddata.org[/url]https://Check power rails in power u...data.org[/url]
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There's quite a few threads on here for removing activation lock on T2 MacBooks.
If it's been fairly recently updated to a recent BridgeOS, you may be out of luck.
There are paid services to bypass the activation lock.
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