Why won't my Steam Deck turn on?
Double-check if it's really not turning on or if it's just the screen that's not lighting up. Sometimes, the device is on, but the display has issues. If you suspect this, try connecting it to an external display if you can. This can help you figure out if it's a screen problem.
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First off, check the basics - is the Steam Deck charged? A simple thing but easily overlooked. Plug it in with the official charger that came with it, sometimes other chargers just don't do the trick. If it's charging and still not turning on, try holding down the power button for about 15 seconds to force a reboot. It's like giving it a little wake-up call.
Might be a bit of a hot take, but if you've tried charging with the correct charger, forced a reboot, and checked for display issues without luck, consider the possibility of a deeper hardware issue. In this case, reaching out to Valve's customer support would be the next best step. They're your go-to for troubleshooting serious problems.
Had the same issue, it turned out my Steam Deck needed a system update that somehow got stuck midway. Forced the reboot, let it charge for a while, then it managed to update fully on the next boot. Always worth checking for updates if it magically turns back on.
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