Once complete, the green LED will blink rapidly in a steady pattern.Once the SD card is ready, insert it into your Raspberry Pi 4 then connect the Raspberry Pi to power.Insert an SD card, click “CHOOSE SD CARD”, select the card you have inserted, then click “WRITE”.Click “CHOOSE OS” and select “Misc utility images” then “Pi 4 EEPROM boot recovery”.Download Raspberry Pi Imager for your operating system from the list near the top of this page.Find an SD card that is empty, or does not contain any data you want to keep it will be completely erased of all data during this process.Raspberry Pi Imager provides an easy way to fix this problem, by automatically preparing an SD card that will reprogram your Raspberry Pi 4’s EEPROM: If the green LED does not flash, this indicates that the EEPROM has become corrupted. To check, remove the SD card, disconnect the device from power, then reconnect it. If your Raspberry Pi 4 will not boot, it is possible that the SPI EEPROM has become corrupted.

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