Why does any of my memory stick doesn't work in my pen card reader 2.0 all in one?

SungminBias

New member
I just bought this at a store. Actually, there is no brand for it it only says "Made in China".

First
1. I attach the pen card reader to the CPU
2. I open it in My Computer
3. I click the Removable disk
4. it says please insert disk even the memory stick is already inserted

Please help me of how I can open files from my pen card reader
 
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