Xbox turns on and off after a few seconds

[hazy horizon]

I got home from a trip today, didn't use my Xbox much. I turned it on, it worked for a while, then went to open a game. And suddenly, it shut down. When I went to turn it back on, I was surprised to find that it turned off automatically within a second. I tried searching on YouTube, but all I see are problems that don't resemble mine. Does anyone know what it could be? I've attached a video of the problem

[stark tapir]

@hazy horizon Thanks for posting! Please remember, support here is volunteer-based and not official. Be patient after posting, and don’t spam or ask in other channels.
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• What did you try to do and what happened? (Be specific—mention your Xbox model, PC version, Insider ring, or anything relevant.)
• **What have you tried to do to fix it already? **(List everything you’ve done to fix it.)
• Have you searched the error code or for similar problems? (Tell us what you found.)

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[hazy horizon]

My Xbox is a One S. I just bought it. Among the things I've tried is leaving it off for 30 seconds, or a minute. It works for a while, but then it goes back to the same thing. I'm currently trying to leave it off for longer. It's been off for an hour now, but I have no idea if that will work as well

[grand urchin]

Try the steps provided here: https://support.xbox.com/help/hardware-network/console/console-wont-power-on
Also make sure you try a different power cable if you have one.

[hazy horizon]

Tried changing the power cable, it didn't work

Now the Xbox light doesn't even turn on

[viscid perch]

If that’s the case and you’ve followed the guide provided above, you should probably get your console serviced. If it’s under warranty, Microsoft can repair it for free, but it’ll be a bit costly if it isn’t.

[hazy horizon]

Unfortunately, I am not in a country where Microsoft operates

I'm so sorry to reply so late I didn't get notified of the message

[viscid perch]

Don’t worry about the late reply, we’re all going about our days and get caught up in various tasks. It’s quite unfortunate that Microsoft doesn’t operate in your area, but you should also be able to take it to any technician and they should be able to figure out and fix your problem. I’m not going to declare that as a fact as I don’t know your situation, but I encourage you to look and wish you luck.

[hazy horizon]

Well, I sent it to some technicians. They've tried changing the thermal paste, testing voltages (they all seem fine), and even turned it on without the power button, etc. But it always comes back to the same thing, it works fine for a while, then I turn it off, unplug it, and the problem returns the next day. I manage to turn on when I put an external cooling source, my air conditioner. But when I turned it on the next day, it did the same thing again. At this point, I have no idea what it could be