JamesCL Posted March 15 Share Posted March 15 (edited) Hi friends... I understand that you have to be careful with the power supply and SD cards. For the above, I bought 2 power supplies (original) and several SD cards from different suppliers. After several attempts I can't get it to start from the sdcard (it only starts from the nvme). I burned the images on Linux (wipefs + dd + gparted) and Windows (SD Memory Card Formatter + balenaEtcher). Also, I used RKDevTool to burn the images to the sd card and nothing (evidently I deleted the spi content). --- begin part of the log --- U-Boot SPL board init U-Boot SPL 2017.09-gc060f28d70-220414 #zyf (Apr 18 2022 - 18:13:34) Failed to set cpub01 Failed to set cpub23 Trying to boot from MMC2 MMC: no card present mmc_init: -123, time 0 spl: mmc init failed witoot from MMC1 Card did not respond to voltage select! mmc_init: -95, time 13 spl: mmc init failed with error: -95 Trying to boot from MTD2 GUID Partition Table Header signature is wrong: 0xX != 0xX part_get_info_efi: *** ERROR: Invalid GPT *** --- end part of the log --- (I attach complete file) If anyone can help me. Thank you.- Update: Friends: I contacted Sandisk (westerndigital) and they told me the cards were fake. I just purchased 3 different cards directly from WesterDigital (I hope this resolves the issues I'm having with not being able to boot from an SD card. I bought the following cards : SanDisk Ultra, SanDisk Extreme, y SanDisk Extreme PRO (two of each, All A1)) concard.txt Edited March 16 by JamesCL update 0 Quote Link to comment Share on other sites More sharing options...
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