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Repair, disassembly, and troubleshooting information for the Xbox Series S, Microsoft's newest small form factor, digital-only gaming console. The Xbox Series S was released alongside its more powerful big brother, the Xbox Series X, on November 10th, 2020.

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Why is the Xbox Series S power light flicker and then turning off?

I'm trying to repair an Xbox Series S. When I try to turn on the console, the power light turns on for a second, and then shuts off. Other than that, the console does show any visible response to pressing the power button. The fan doesn't even attempt to start spinning up. I've tried booting the console in safe mode, but it gives the same result. At first, I thought that it might be a power supply issue, but replacing the power supply didn't do anything to fix it.

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1 Answer

It could be a safeguard built in by Xbox that occurs if something is broken or damaged internally. Have you tried looking around the motherboard for loose connectors? If you haven't then please try it. If this doesn't work, try a different outlet or try a new power cable.

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I've tried reseating all of the connectors, and it didn't make a difference. I've also tried it with different cables and outlets.


Do you have a spare working power supply? If you do then try to use that. If it still doesn't work then its a motherboard issue.


I have this same issue. There was water damage on the motherboard...I cleaned the corrosion with 99% rubbing alcohol and replaced the power supply (I couldn't figure out how to open the power supply to clean). It worked! I even saw the accounts from the og user i bought it from and was able to factory reset it. I was installing games overnight to play the next day...In the morning found the console off and figured it went to sleep after the install, but the issue came back! It turns on for a sec, then makes a sound and immediately shuts off. I haven't wanted to open it up since then...


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