I have a new Rpi 4 with 8 meg memory. I tried a 512 GB SanDisk Extreme U3 A2. Following all the hints above, I formatted it in exFAT using the SD Card Formater 5.01. Then using guiform.exe, formated it in FAT32 and copied NOOBS 3.4.0 to the partition, uisng Windows 10. Sadly, it would not work. I wo...