Back to the Hub. This page lists the most common problems and suggests some solutions. See RPi_Bugs for problems that are bugs. Power / Start-up Note: if you have any kind of booting problems, start off by reading the "Is your Pi not booting? (The Boot Problems Sticky)" in the troubleshooting section of the Official Raspberry PI forum . A good power supply that will supply 5 volts and at least 1 amp (5V 1A) is vital. Note that the Pi has no BIOS, so nothing will be displayed on screen unless the Pi successfully boots! Normal LED status There are five LEDS near the USB connector. See the next sections for how to interpret other statuses. Red power LED does not light, nothing on display The power is not properly connected. Red power LED is blinking A blinking red power LED indicates problems with the power supply. On model B+ (and presumably also the A+), the circuit has been improved to give a much more reliable warning of poor power quality. Start off by reading the "Is your Pi not booting? #! .
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