I've got a bit of a conundrum here. I recently bought a new Asus A520M-Plus motherboard and swapped it with my old one. Unfortunately, my hard drive is so outdated that the new motherboard couldn't boot it due to formatting issues. So, I decided to go back to my old motherboard to figure things out.
However, when I reinstalled the old Gigabyte motherboard, it wouldn't power on at all—no fans, no lights, nothing! I've checked all the cables, reseated the RAM, GPU, and CPU, and even tried a different power supply, but still no luck.
When I put the new motherboard back in and tried another known working power supply, the only sign of life is the motherboard's LED cycling colors. I've removed and replaced the battery, checked connections multiple times, and ensured the motherboard isn't too tightly secured against the case. Still, it seems like both motherboards are completely unresponsive except for that LED. I'm considering taking it to a shop if I can't figure this out. Any advice?
2 Answers
Yeah, that's really frustrating! Just to add to what GamerGuru mentioned, make sure that the screws are well-placed. If they've been incorrectly positioned, it can cause grounding issues. I’d also suggest taking the motherboard out and testing it outside the case on a non-conductive surface to rule out any case-related shorts.
It sounds like you've done a lot to troubleshoot already! If both motherboards aren't working with multiple power supplies, it might be an issue with your case shorting out something. Sometimes, an extra standoff that's not needed can cause a short circuit. I'd recommend checking for any loose screws or extra standoffs that could be touching the back of the motherboard. It could be a process of elimination to see if one of those standoffs is the culprit.
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