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Homebrew PC troubleshooting 101: Here's where to start if your PC won't

There are few things more frustrating than hitting the power button on your new, do-it-yourself PC — only to see nothing happen.

It’s tricky to diagnose an issue when you can’t reach the diagnostic tools like the UEFI, let alone the operating system. But help is out there.

Now, what happens when you press the power button?

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