Missing photos

Sad...sad...sad... our computer has some problem lately. Last Friday I went to the aquarium with KK, just as I promised, and I took lots of photos. Cute ones. I also took a lot of my cooking photos. Great photos of mountain of fresh red strawberries when I made strawberry compote for my home-made yogurt. But, alas, all gone now.... I have no idea what happens but some how all the photos dissapeared from my computer. Funny thing is, after I finished downloading, I delete some photos that are not to my satisfaction. Now, those photo are still in my "Recycle Bin" but the one I kept in my file are all missing!

If any of you know how I can retrieve them back... please, let me know!!!