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Old Jan 4, 2010, 5:39 AM   #1
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Default Sony a100 not connect computers

Hi all,

I have an a100 digital camera. Whenever I try to connect it to a computer using the usb cable the computer responds with 'a device has malfunctioned'.

I've tried this on four computers, 1 running windows xp, 2 running windows vista and one running windows seven. Same error on all computers.

Any ideas as to what may be causing this?

Thanks
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Old Jan 4, 2010, 5:58 AM   #2
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Have you tried a different memory card in it, in case the card is corrupted?

You may also want to try changing your Transfer mode and see if that has any impact.

You'll find a Transfer Mode choice in your camera's Setup menus. I'd use USB Mass Storage versus PTP, as PTP can sometimes require the camera manufacturer's software to be installed to work with a given camera model.

If it still doesn't work, I'd suspect a bad USB Cable if it's doing the same thing with more than one memory card , and I'd reformat your memory cards prior to each reuse using the camera's menu choice for format, so that you'll always start out with a fresh File Allocation Table (just the way the camera expects it, since it's performing the format) to reduce the chance for File System Corruption.

You may want to consider using a card reader, too. I can't remember the last time I used a camera attached via a USB cable to transfer my images (it's been years since I've done it that way).
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Old Jan 4, 2010, 1:44 PM   #3
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Quote:
Originally Posted by JimC View Post
Have you tried a different memory card in it, in case the card is corrupted?

You may also want to try changing your Transfer mode and see if that has any impact.

You'll find a Transfer Mode choice in your camera's Setup menus. I'd use USB Mass Storage versus PTP, as PTP can sometimes require the camera manufacturer's software to be installed to work with a given camera model.

If it still doesn't work, I'd suspect a bad USB Cable if it's doing the same thing with more than one memory card , and I'd reformat your memory cards prior to each reuse using the camera's menu choice for format, so that you'll always start out with a fresh File Allocation Table (just the way the camera expects it, since it's performing the format) to reduce the chance for File System Corruption.

You may want to consider using a card reader, too. I can't remember the last time I used a camera attached via a USB cable to transfer my images (it's been years since I've done it that way).
Thanks Jim.

I have tried different memory cards from your advise, but it still not works. I will try buy another USB cable, see it works or not.
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Old Jan 4, 2010, 1:51 PM   #4
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While you're at it, you might just try a USB card reader, like JimC mentioned. This removes the camera from the equation entirely.
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Old Jan 5, 2010, 1:10 AM   #5
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thanks tc, i will try that and let you guys know.
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Old Jan 5, 2010, 4:31 AM   #6
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Quote:
Originally Posted by Winfly View Post
Thanks Jim.

I have tried different memory cards from your advise, but it still not works. I will try buy another USB cable, see it works or not.
Did you try changing USB Transfer Mode option in the camera's setup menus?
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Old Jan 15, 2010, 4:00 PM   #7
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Jim, great news. I just got time to change to transfer mode to USB Mass storage from menu, it works now!

Thanks lots! (I feel so complicated before, now felt very easy.


Quote:
Originally Posted by JimC View Post
Have you tried a different memory card in it, in case the card is corrupted?

You may also want to try changing your Transfer mode and see if that has any impact.

You'll find a Transfer Mode choice in your camera's Setup menus. I'd use USB Mass Storage versus PTP, as PTP can sometimes require the camera manufacturer's software to be installed to work with a given camera model.

If it still doesn't work, I'd suspect a bad USB Cable if it's doing the same thing with more than one memory card , and I'd reformat your memory cards prior to each reuse using the camera's menu choice for format, so that you'll always start out with a fresh File Allocation Table (just the way the camera expects it, since it's performing the format) to reduce the chance for File System Corruption.

You may want to consider using a card reader, too. I can't remember the last time I used a camera attached via a USB cable to transfer my images (it's been years since I've done it that way).
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Old Jan 15, 2010, 4:26 PM   #8
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Congratulations!
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