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Reader problem
Nov 14, 2017

Memory card is generally poor contact with the reader, the computer only recognizes the card reader is not connected to the memory card. Look at the memory card is inserted is not good, connect the memory card reader light will flash a few times. Many readers will have this situation.

Inside the reader there is a semiconductor and USB slot connected to the site but because of the repeated insertion of the card reader caused by wear and tear of the connection site leading to poor contact! So sometimes you can read the card! But the probability is very low! Such as multi-card reader is directly ruled out by wear and tear caused by bad!

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