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Micro SD problem

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chrisrob | 10:37 Mon 23rd May 2011 | Technology
4 Answers
Using two laptops: a large HP running Windows 7 and a small Dell netbook running Ubuntu, there are times when I use one and times when I use the other. I also like to listen to some of my music which I have on HD.

I send files from one machine to the other either via WiFi network or bluetooth. But I decided to copy my music files onto a micro SD card that fits within a USB plug so that I can take my music with whichever machine I am using at the time.
However, files just seem to "disappear". Although the album folders are shown as copying (taking some time), when I then open those folders, they are empty. It doesn't matter whether I use Win & or Ubuntu - the same result (viewed on either machine).

Then putting the card back in the Win 7 machine, I was told it needed formatting. So I used Windows formatter (bad move, I've since been informed) to be told the 32Gb card was only 8Gb and that it couldn't be formatted.
So I tried using ScanDisk's SD card formatter but it told me the card is write protected and to open the lock switch. Well, that would be fine on a normal sized SD card or a micro card in a card converter but micro SD cards do not have lock switches.

Assuming the card must have been faulty, I am now trying another. BUT I am getting the same initial problem I had with the first - "losing" files.

Guess I'll have to keep a copies of my music files on both computers' hard drives - taking up space and probably against the principals of copyright.

Unless anyone has any suggestions as to what might be going on?
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Where did you get the Micro SD card? as it might be a fake?
Question Author
I bought it from a UK company via eBay and have used it for handling text files and photos before - and it has shown full 32Gb memory available. The second card I am using was bought from a different company and also shows 32Gb available.
I'd still check the cards....

http://www.softpedia....laneous/H2testw.shtml

Will let you know if they are fakes or not.
Question Author
Thanks for the advice. The first card cannot be read by the software as it shows as not formatted (and it will not format as explained). The second card is being tested at the moment. It acknowledges 30K space but its write and verify checking is going to take a long time.

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