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Actually, I need to give an update on that one... As soon as we did boot from the internal flash drive, we saw Windows blue screen asking to press F1 or F8 talking about some file.EFI Once we tried to restart same problem happened again... it wouldn't start. It reminds me once I did boot on a...

Ok found one. Fixed

Hello, I have that 820-3476 which looks perfect, absolutely clean, pulsing but would not start. I was planning to give it a clean using the ultrasonic cleaner but before that I thought, let's check with another Bios. I did try a Bios I've found on vinafix and it did start but bad ME region...

Check the SMC_RESET_L first before removing the SMC

PPBus_G3h is too low which indicates a faulty or non enabled SMC (which is why, no light on magsafe) Corrosion near SMC? SMC reflowed?

Board is working fine despite the camera and the thunderbolt port. I can't tell if it's related to ME issues though. I am sending you the SN by PM now.

Thanks Duke! You're the king. It was C3618. I could hear a transistor ticking once I plug the battery which was Q7810. Put some alcohol on the area and saw both the cap and the transistor were getting hot. Removed the cap and good to go. Easy to get dawn a rabbit hole though... I got tricked by...

Then please, 820-3437 board 1.3GHz 4GB. Seriously corroded board on the top edge (I can provide picture) where I had to replace a few chips like the clock chip, the Bios chip and some alongside the edge. For Serial number, can I provide it by PM? (don't want to leave it on the forum board)

Nope cause PPBUS_G3H is dropping completely. It will remain only if I remove Q7801

So if we don't have the original BIOS, we will never be able to get some functions like the camera to work again?

Thanks SMMRepair! Glad you did answer that precisely. Looking forward to hearing from Duke too. Regarding your manual method, if I want to make sure to flash a bios version which is going to need an update... Can I simply get the Bios file from the MacBook Air EFI Firmware Update 2.7 and apply...

Hi guys, Can you explain why cleaning the ME region would "kill" the camera please? Which guide can we follow to avoid disabling the camera when replacing the ME region? I have a 820-3437 board also with a not detected camera. Diode mode measures fine on the connector and on U2030 so I was...

Hey gcain, It seems you haven't worked on a 820-00165 yet... these boards don't "Fan spins 3 times" like a 820-3437 would. Only once. Plug a battery and check for Vcore again. If no vcore, check resistance to ground on vcore and report. Do you get the screen to light up at least when the span...

I have been a Netkas forum user for years since I started hackintoshing back in the days (Pentium 4 in 2007) Lately the Netkas forum was sending tons of spams message so I did close my account. Now that I need to register again, I just can't as his Captcha system is outdated. Have you had the...

Solved. We had the transistor linked to the ISL which was shorted, sending 5V to PPBUS. Then I just did clean the ME region manually and everything works now.

I understand. Thanks for the info though.

Hi guys, Following last Louis/Duke video, I am wondering how complex that process of flashing a PC card with the Mac Bios card is? Has anyone tried yet? From what I understand you simply need to add the EFI part that the PC Bios is missing. Buy a similar model card for a PC laptop and flash...

I also know now why ASD is complaining about IPBR... MacBook won't start from the charger only. It needs the battery as well. PPBUS_G3H is 4V if only charger is plugged whereas it is 10V when battery is plugged. PPBUS_G3H has .115V drop to ground which seems like a decent value. I already...

Forgot to mention that the JTAG connector had liquid too which could explain the messy ME region

As long as the connector is the same, it will be just fine