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This troubleshooting guide currently doesn't mention the model B+, so I guess that when it says something like:
Check that you have correctly written a Raspberry Pi image ... browse for the following files: * bootcode.bin * fixup.dat * start.elf amongst others
So a good NOOBS Micro SD card that came with a new RPi B+ might be allowed to not have start.elf while it does have bootcode and other files/dirs?? Or are there specific things to do with these cards before they can be used? Are there other places this page needs updating for the newer models?