usb - Why some sd cards are not detected at all? - Ask Ubuntu


i have toshiba qosmio f50-125 laptop , have built in sd card reader, , running xubuntu 16.04 , have problem of sd cards not detected @ all, not in gparted. have totally of 4 sd cards.

pqi 256mb sd card kingmax micro sd adapter 4gb apacer micro sd adapter 4gb , scandisk sdhc 4gb card

and 1 recognized scandisk use card in nikon d3100 camera, other cards not recognized @ when try put them in sd card reader. when on windows recognized when put them in sd card reader, recognized when use external usb card reader.

the laptop have led indicator when card in reader when put card (any of them) can see led indicator flashes on laptop.


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