How to Power Arduino Nano and Pro Mini with 5.14V Power Bank - Project Guidance - Arduino Forum

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My Arduino Nano and Pro Mini work perfectly on 3.7V but it does not even lit up when powered to 5.14V power bank on the +5V Pin (Pin 27) no response whatsoever. I also tried the example program "Button" (Arduino Software: Files/examples/02Digital/Button) to no avail, the board does not even blink. I wire both the 3.7V and 5.14V power bank to pin 27 and ground I also tried pin 30, VIN but that also did not work abviously. Could somebody help? How can I make my arduino 5V work with 5V inp