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How to troubleshoot a Mac that won’t boot

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61% Informative

There are a number of simple tricks you can try to get your Mac up and running again.

If your computer starts but you only get a blank screen, try a restart.

If you see a symbol on the screen or if the Mac doesn’t start at all, you may be asked to connect to a Wi-Fi network or an ethernet cable.

If the repair worked, your Mac will boot up as normal.

If not, the next step Apple recommends is a full reinstall.

If your computer doesn’t start at all, you might be looking at a more fundamental problem.

Make sure your Mac is connected to power and that you’re using a working power cable.

With that done, remove all the peripherals from your Mac .

If you still have problems, Apple suggests resetting the SMC (System Management Controller) chip.