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Re: Gateway laptop does not recognize 4GB SDHC card
You need to download the correct drivers for that specific device you have now installed to your system it and before that you need to un-install the old drivers for the old device in order to avoid conflicts. the best site for downloading hardware drivers is at the manufacturers site.
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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.
You might just have a bad SD card. Also, if you bought a card that is 4gb or more then you need a SDHC card reader. The HC stands for High Capacity. Look at the card to see if it shows HC under the SD. If it does then you need to find out if your card reader can read SDHC. If it can't then you need to go buy a new card reader that can do SDHC.
SD vs SDHC is a question I get alot. First let me explain your issue. Unless your CARD READER is rated for SDHC chances are its an older model and cant handle the card, even with driver updates. You will need to check the manufacturers website of the device you are using as a reader to see if there are newer drivers. If its a laptop go to the manufacturers page and and be sure and choose Windows XP as your OS. Ok, now to the difference. SD cards are called solid state memory. The internal workings of each hasnt changed much except that the SD card used standard file formatting that was understandable in Windows XP and earlier operating systems. the SDHC (HC stands for High Capacity) uses the same architecture in teh card but changes the way data is stored and read that enables it to hold more data on same size device. (note architecture means design of card type not inside guts) Thus your system and Operating system may not be capable of addressing the new coding and file system changes on teh SDHC cards. Many older cameras (2008 and before) dont recognize SDHC cards either. Good news is they make an SD card (plain) in a 4 gig and you may be able to replace yours at the retailer with teh correct one needed (unless you bought via ebay or other method) Yours is a good question and is often asked, so dont feel bad in anyway. Just look at it this way.. you learned the lesson recently when the pricing between the two is about the same.. I learned the lesson 2 years ago when an SDHC cost about 80$ compared to 19 $ for a normal SD... SMILE!
No, it's a hardware issue. Your 8GB card is an SDHC card (the HC stands for High Capacity), but the card reader in your machine is clearly only compatible with the older type SD cards. SDHC devices will accept SD cards, but devices designed solely for SD cards cannot read or format SDHC cards.
There is no firmware update for this, your only fix is to buy an external reader compatible with SDHC cards for connection via a USB socket. Most new readers are fully SDHC compliant, but check the specs for shelling out your hard-earned...
The Card Reader you are using is probably not compatible with SDHC Memory Cards (High Capacity SD). You may need to get an SCHC compatible reader or check the website for your product to see if the is a driver update. You can get a new reader for about $20 bones if needed. I had the same issue.
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