No drive letter for USB PCMCIA card reader

I use a card reader Addonics AEPUDDU Digi - PCMCIA (USB for PC connection) drive with a desktop XP computer.  Now, when I plug in any card memory PCMCIA (I tried several), the card reader recognizes the insertion of the card (the Green led lights up), like the PC (the icon appears in the system tray), but it does not affect no matter what drive letter to the map, so I can't access it all (through Windows Explorer).  If I click on the icon to eject, I get the usual pop-up message ("Remove USB mass storage device"), still only refers to a drive letter.  Clicking on this message gives the 'Safe to Remove Hardware' popup normal.

Moreover, this habit of work very well, and then several weeks ago began this strange behavior.  Some days it works OK, a few days would not work.  Sometimes restart would fix it.  Today, it doesn't seem to help.

Why XP will not assign a drive letter to this device, and how do I fix?  Thanks for any help or suggestion...

Moreover, this habit of work very well, and then several weeks ago began this strange behavior.  Some days it works OK, a few days would not work.  Sometimes restart would fix it.  Today, it doesn't seem to help.

Assuming you are trying to read of the same type and media memory size that used to work and other USB devices plugged into the same USB taken work, it seems that the device failed.  That means Addonics offers technical support?

I guess that you tried to connect the unit on different USB Sockets.

Open the Device Manager (start > run > devmgmt.msc > OK).  I don't know where this device will be displayed.  Look in the hard drives and the Bus USB controllers.  Are there error icons?  If so, double-click the name of the device and see which appear under the heading "status of the device.

If nothing is reported as bad, it is possible that uninstalling and reinstalling might help.
Double-click the Device Manager entry and select uninstall.
Then disconnect the device and reboot.
Then plug in and let Windows recognize it and install it.

Tags: Windows

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