USB2 Card Reader Problem

  [DELETED] 12:48 26 Dec 2004

I have a SanDisk USB2 Compact Flash card reader that is not aleays recognised by my PC. Initially when I plugged it into either one of the 2 USB ports on the front of my PC it was instantly recognised, more often than not now Windows tells me that it is not recognised and may be faulty. At first, I thought it was a problem with the port itself (the PC tower is new), but when I tried a game pad in the same ports there was no problem. I've since tried the reader in one of the rear USB ports and it works first time. I then tried it in the front again and it worked on two insertions before the problem re-occured. Any ideas? Also, is it ok to leave the reader plugged into the tower (rear USB port) on a permanent basis, bearing in mind I usually have to "eject" the reader first which means that it no longer appears in my computer.

  [DELETED] 13:03 26 Dec 2004

This sounds like a USB port problem. Make sure the motherboard drivers are upto date and are installed correctly. Often mobo co., will update BIOS`s to resolve this type of thing too. Updating BIOS is not recommended to amateurs unless you think you competent.

Yes you can leave the reader attached. Do not disconnect it unless the machine is off or you have used the Windows utility to disconnect it.

  [DELETED] 13:09 26 Dec 2004

If it were a driver problem wouldn't the device fail to be recognised on all USB ports?

  [DELETED] 13:17 26 Dec 2004

The Motherboard drivers contain chipset drivers which drive the USB functions of your mobo. If this is conflicting or other it could cause this type of problem.

I have seen this often where if the USB device is not recognised pulling the plug and reinserting will temporarily solve the issue. Generally it`s resolved by either Mobo drivers or BIOS update.

  [DELETED] 15:39 26 Dec 2004

I've just dug out an old USB cable and tried that and all now seems ok. Thanks

  [DELETED] 11:53 29 Dec 2005


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