SD Memory Card Issues

Hey everyone,
I have an 8GB SD Memory Card and stored all my College Work and all my other important files in it.
The card is always in my HTC but just a few days ago when I wanted to go through my Music, my phone said 'Please Insert SD Card'. I was fuming and tried my SD Card on every phone including my Laptop.
Unfortunately, the Card was still not picking up. I really need my College Work and all the other important files.
Can someone please give me a solution as to how to get the Card working again or any reccommendations to places where i can go to get it fixed?
I know it sounds impossible but there must be a way out of this. Please get back to me.
ThanQ.

I had the exact same problem, there is a special slot on the side that breaks easily that must be covered by tape to fix it... You can barely make it out in this pic.

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