Network (Wired and wireless ) sectors and usb without electricity
My model is raspberry pi b.
When I connect the device to the power, it starts to boot without problems, but there is a flashing yellow mark on the corner of the image.
But the usb section and the network segment do not work.
I replaced the power adapter and cable, but the problem still failed.
There is a part called polyfuse that I tested, which seemed to be healthy.
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