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Hi and thanks. I forgot to mention sorry. S3 rails present S0 rails present To your question. SMC_ONOFF_L 3.4V PM_SLP_S3_L ALL_SYS_PWRGOOD - .0.074V Thanks again!

820-3023 All_SYS is low on this board. no liquid history. No pulse on PPVCORE. Replaced Q7950 and checked surrounding resistors value. Checked R793, R7964, R7901, R7965, R7966, R7967 values. Replaced U7100 Replaced U7400 ALL_SYS is 0.75V Thanks.

Hey! I was just wondering if anyone knew of a way to bypass the temp sensor in the 2011 iMac so the fans don't throttle. Other than buying the 40 dollar OWC Inline thermal sensor cable?

Hi! I Ive seen the listings on Ebay for "Updated 2017 GPU" repair on 820-2915 for a couple years now but have never actually thought about having it done. can someone give me some insight on it please? Does the repair work? What (2017) GPU's are being used? Anything i should expect? I...

Board is fixed. All set, thanks!

It's all good, I found one somewhere else. Board is fixed.

I only found a couple posts with the same link results. One doesnt work and the other belongs to a member that hasn't been active for some time . Thanks for the help.

Welp... I caved and bought it. If anyone needs it PM me.

Does anyone have or can direct me to a BIOS dump file with clean ME region for this board. Thanks in advance!

Great thanks!

Hey thanks for the input man! I have found a working BIOS, but I wasn't able to backup my previous BIOS to swap the ME region. Uggg, hopefully I'm not screwed. :D

Swapping BIOS did the trick! There was absolutely zero liquid in that area, what do you think effected it? Thank you for your help! Should I replace the entire chip and firmware or just firmware you think? I do have a programmer but have yet to use it yet. Should I just youtube on how to use...

This board came in with a very small amount of liquid damage on U1950 around pins 1.2.3 & 4 and directly on C5125. The rest of the board is very clean including SMC area and clock area. Replaced the damaged components. I now have fan spin with 1.8V on CPU_VCORE but no chime, no video. Light on...

With SMC_LSOC_RST_L disconnected, same result.

SMC_ONOFF_L stays between 3.399V - 3.4 V the entire time. Also disconnected SMC_ONOFF_L from the trackpad connector without change in behavior. Thanks.

Hello, this board just came back from customer experiencing the same issue. turns on oots, but crashes randomly. It will still boot completely normal if TP/KB cable is unplugged. This time I replaced the SMC and repaired a small pad (93) as well. Issue also occurs in SMC bypass mode. I have...

That was it! Thanks again man, have a good one.

Thanks John, appreciate it dude!

Came in with liquid damage- Computer turns on, but suddenly powers off while trying to load OS from either the internal SSD or external USB drive. The crash usually takes place towards the end of the boot process, but not specifically the same time every time. I have found if I disconnect KB/TP...

Replaced U4700 and U4600, still 0 voltage on F4700. PP3V3R3V0_AON - .005V / 8.05K Resistance. (seems high) Feeling Lost, LOL.