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Try a different / all other USB ports on the computer, and if possible, a different computer if no USB port on your computer works with it. If it still doesn't see the drive, the drive is probably not working. If it does see the device, but is asking for drivers, provide a disk with drivers that came with the reader - or check the Sigma web site for drivers that work with you OS (Windows, Mac, etc.), download and install / extract.
If it sees the device, but doesn't see the memory card, the reader may not recognize the newer, larger capacity memory cards. SD cards are smaller than 4GB in capacity, and SDHC cards are 4GB and larger. Make sure that if you're trying to read an SDHC card that the reader SPECIFICALLY says it works with SDHC cards. Most SD readers can NOT be upgraded with firmware to be able to read SDHC cards - a new SDHC reader is required.
Hi, I guess you have a built in card reader? Is there any chance your camera SD card is SDHC? Some card readers including built in types and those that you connect to a USB port have trouble with the later and faster generation SDHC cards but are happy with plain old SD cards. If you are using an external card reader, does it work in another computer? If it does work, then the problem is with your computer. If you have a built in reader, can you borrow someones external card reader that you know and does work with SD and SDHC cards? Can you try an older SD card in your current setup? If that works OK then it's the issue with SDHC that is your problem. Easily fixed by buying yourself a $10-20 external card reader Cheers, Steve
if on the card it is written SDHC then it means that the card reader doesn't support SDHC cards, for 100% compatibility try a 2/4 Gb card with only SD markings on it not SDHC.
I guess you put the SD adapter into the card reader right out of the box? You first may have to partition/format it after unpacking it. Under WinXP I can recommend an utility "DiskPart" which you can start from the command prompt (Run... -> cmd). For further instructions (if it sounds to you to be the problem ) contact me again.
Your slot in the iPAQ is a SD slot, not a SDHC slot - therefore it will not read the card. Your PC card is probably a dual reader. The SD cards look the same but are different. Have a read of this...
http://en.wikipedia.org/wiki/Secure_Digital_card
When You Insert your SD card into the internal card reader, then the SD card is not recognised by the system and the SD card drive doesn't show there. The problem can be because of driver issue, system issue and device issue. To fix the problem you need to go at device manager if there is a yelllow sign in SD card controller, the problem is most probably caused by a driver issue. Then you need to update the driver. You can also download the driver for your card reader.
Also, check if your SD Card is broken. You can also check it into different devices port.
If it is detected then you can backup of your data.
If the problem not resolved by any means and you require you SD Card data then I will suggest you read - https://www.stellarinfo.co.in/services/removable-media-recovery.php
SDHC cards are not backward compatible with normal SD cards..therefore older devices will not recognise them...your built in card reader is probably not sdhc...try downloading directly from camera or use a sdhc usb card reader
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