Why Isn't My New Power Supply Getting Power?
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TechyNerd42
I just installed a Cooler Master MWE GOLD 850W V2 Full Modular PSU, but when I try to turn on my system, nothing happens. I've double-checked all connections to make sure they're secure, including PCI-E, CPU, motherboard, SATA SSD, and fan hubs. Everything seems to be seated properly, so I'm stuck on what to try next.
Answers
Make sure you've connected both power connectors on the motherboard: the 24-pin and the 4-pin or 8-pin near the top left. I've built tons of PCs and still sometimes forget to plug that one in! It could be what's causing the issue.
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Don’t forget to check the power button header on the motherboard. Sometimes it feels like everything is connected, but that little header could be the problem!
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