Scroll down a bit.
Look for the similar label on the outside of your computer.
Quote the specific model number - that's at the end of the first line.
Quote the Product number - that's on the third line.
If you have not been fiddling around inside the case before this happened, the most likely thing is your power supply has failed.
Either it's defective, or ....
Power failure events can cause power surges and / or voltage spikes that can damage anything on your computer or anything connected to it at the time.
Also, they can cause wiring connections or components inside the case to develop a poor connection.
The symptoms of that don't necessarily show up right away.
If you connect another power supply you may find your computer then works fine.
For more info .....
See response 3:
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Power failure events can cause power surges and / or voltage spikes that can damage anything on your computer or anything connected to it at the time."
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