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Windows 7: 8 gig sd card not being recognised

09 Mar 2010   #1

Windows 7
8 gig sd card not being recognised


I have 2 8 gig sd cards, 1 Transcend and the 2nd a Sandisk, however Windows 7 refuses to recognise them in either the card reader or the usb adaptor. XP reads them fine and Windows 7 can read the 2 512 meg cards I have. Any ideas to resolve would be greatly appreciated.


My System SpecsSystem Spec
09 Mar 2010   #2

win 7 ultimate32bit, Win8.1pro wmc 32bit

are the 8 gig cards SDHC? if so your card reader may not be able to read them :)
My System SpecsSystem Spec
09 Mar 2010   #3

W10 Pro desktop, W10 laptop, W10 laptop, W10 Pro tablet (all 64-bit)

When you say XP reads them fine, are you using the same card reader on XP as on Win 7? As pebbly said, your reader will need to support SDHC to read cards greater 2G. If you are using the same reader and it works on XP but not Win 7 then I would go to the mfgr. website to see if there is a driver for Win 7 or Vista. Also, are you running 32 or 64 bit?
My System SpecsSystem Spec

09 Mar 2010   #4

Windows 7 Professional SP1 - x64 [Non-UEFI Boot]

I know you're only having probs with a 8 Gigs card...

But try to install this update from Microsoft kb976422...or maybe you have it already?

Download details: Update for Windows 7 for x64-based Systems (KB976422)

My System SpecsSystem Spec
09 Mar 2010   #5
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8

How old is your system. I have the same problem with a 3 year old laptop. But at that time SD-HC cards did not yet exist. So the readers are not designed for it. And it does not seem to be a driver problem, it is the physical reader. But all my PCs that are younger than 2 years can read those cards without problems - Vista and Windows7.
My System SpecsSystem Spec

 8 gig sd card not being recognised

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