Sat Jan 03, 2015 6:26 pm
That's the correct procedure and won't be any part of the reason you can't boot.
First thing is read the sticky thread, you may be able to rescue your existing system.
Second is check that the SDCard isn't a cheapo, crappo Chinese fake .(one that reports more available space than it's really got).
Third buy a new branded, full price SDCard and build a fresh copy of NOOBS on it.
Note: Any requirement to use a crystal ball or mind reading will result in me ignoring your question.
Criticising any questions is banned on this forum.
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