When i plug a memory card or a memory stick in my computer it does not work

When i plug a memory card or a memory stick in my computer it does not work?
i get a little icon at the bottom of the screen and when i click on it it says quitar hardware de forma segura im in peru so my computer is in spanish can anyone help please
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Random Answers, Critics, Comments, Opinions :
1 :
It means,you can safely remove this hardware Just reboot,and it should be recognized.
2 :
If you go to mycomputer then i think it's the D drive and click on it, it should open.. the icon on the bottom is to take it out safely... It works with mine so i hope it works for you! Good luck Megan♥
3 :
yes sometimes u insert the momery card in the computer then it doesnt work , well. u have to insert it and when u see the small icon then click it and it will ask u to dowload the hardware for, note that hardware is exist in the computer all what u have to do is to click the right option and that may takes several minutes then it will appear in (my computer) the name of the memory card. but first u have to let the computer recognize what the memnory card is then it will work for sure ...