Could a broken VCCSA pin be the reason why the motherboard is not booting the system?

ZaBebsi

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Oct 16, 2024
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Hello, I bought a used MSI Z270 Pro Carbon motherboard for very cheap, with one broken pin. Visually, the motherboard looks fine except for the broken pin.

I tested it with a 7th-gen processor, RAM, and PSU, but there's an issue: when I try to start the system, the motherboard's CPU LED turns red, none of the RGB lights on the motherboard turn on, and the system refuses to boot—no matter how many times I try (even 50 times).
However, if I completely cut power to the PSU, discharge the system’s static electricity, and then turn it back on, the system boots up without any issues. I ran OCCT stress tests on both the CPU and RAM, and everything checked out fine. But as soon as I shut the system down and try to turn it on again, the CPU LED turns red, and it refuses to boot. Once again, discharging static electricity allows it to start normally.
I tried swapping RAM slots, using a different PSU, and even changing the CPU, but none of these fixed the issue. The only thing that consistently works is discharging static electricity before powering it back on.

I read online that the broken pin is related to voltage regulation. Could this issue be caused by the broken pin? How can I 100% confirm that the broken pin is the culprit? What do you think—does this problem stem from the broken pin?
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Hi
Broken pin can cause all kinds of issues. So it is very much possible it's why the system doesn't boot.
 
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