Wed Jan 06, 2016 1:35 pm
Start with a completely blank, fresh SDCard. Download NOOBS 1.5 (or the 2015-11-21 plain Raspbian). Boot that and see how it goes.
If that works you then need a USB SDCard reader to rescue your data & locally written programs from your knackered SDCard.
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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