Raspberry Pi 3 Model B not work anymore

Hi, I have bought Raspberry Pi 3 Model B a few years ago. At first, it works well and then it was unused for years. When I try to power it on it shows only a red led. I have tried several ways. But not work. Last night I have tried to power using Xiaomi Redmi 10 mobile charger, but now it shows no led. I have gone to a mechanic for a test and he said, the power is not flowing all over the circuit but 5v is still getting. So, the device is dead?

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cstanton over 2 years ago

I believe you need to make sure you're using a proper power supply that can guarantee 5 volts and 2.5 amps, which's what the Raspberry Pi 3 Model B really needs. A mobile phone charger may not be able to guarantee this.

If you're careful, and you still cannot power it on via USB, you can try connecting to the GPIO pins of 5v and ground (GND) and see if the Pi 3 will power on that way, but make sure it's a clean 5v supply that doesn't exceed this amount as there's no protections on the GPIO pins.

If you're unsure of what pins to connect to, check out Raspberry Pi 3 Model B GPIO 40 Pin Block Pinout
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coder_hasib over 2 years ago in reply to cstanton

Thanks, I will try.this charger can damage this device?
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cstanton over 2 years ago in reply to coder_hasib

coder_hasib said:
this charger can damage this device?

I have no idea what you have tried and what state the quality is of the devices you have tried, so we can assume if you cannot verify it, then yes the 'charger' or the power supply you've connected it to has the potential to damage the device.
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coder_hasib over 2 years ago in reply to cstanton

is it possible to repair ?
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cstanton over 2 years ago in reply to coder_hasib

The Pi 3?

If you can't return it to where you bought it from, and you can identify the parts that have failed, and you have the right tools, then possibly. That may be more an Ask an Expert Forum type question if you supply photo's and ask how to identify what may have failed, if it still powers on via the GPIO then that narrows it down.
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cstanton over 2 years ago in reply to coder_hasib

The Pi 3?

If you can't return it to where you bought it from, and you can identify the parts that have failed, and you have the right tools, then possibly. That may be more an Ask an Expert Forum type question if you supply photo's and ask how to identify what may have failed, if it still powers on via the GPIO then that narrows it down.
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