Sdhc Memory Card Reader Why Will My Sdhc 4 Gig Memory Card Not Connect To My Computer Through My Duracell Flash Memory Card Reader?

Why will my sdhc 4 gig memory card not connect to my computer through my duracell flash memory card reader? - sdhc memory card reader

Why does my 4GB SDHC memory card is on my computer to connect to my readers on Duracell flash memory cards?