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Can't read files on SD card


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5 replies to this topic

#1
RoxethRook

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I have a Nikon Coolpix L22.

 

Having found a number of files missing on my original SD card I copied most of them from backup and now have no free space and receiving 'Out of memory'.  Prior to this there was no problem in reading files on the camera.

 

I purchased a larger capacity SD card and transferred the file NIKON001.DSC to the root folder and all files in the folder DCIM (DSCN.0000.jpg in sub folders 100NIKON) to the new SD card.  The files are readable when the new SD card is connected to the computer but not readable when the new SD card is in the camera.  I suspect the file NIKON001.DSC may be the culprit as the last modification is dated in 2012 but it worked OK when using the original SD.

 

How can I get the camera to read DSCN files on the new SD card please?



#2
Merco_61

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First, SD cards are far from ideal for long-term storage.

 

The camera seldom reads files that have been messed about as the file browser is quite rudimentary and only made to preview and perhaps cull while shooting. The normal practice is to load the files from camera when you get home and when you have made backups, format the card in-camera.

 

What happens in your case is that the checksum in the file isn't correct for the card sector the computer wrote it to, so the browser in your camera refuses to read it.



#3
Brian

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Have you done any camera firmware updates since 2012?

 

I've had general problems when using the computer to put files onto a camera, and in formatting a card. I end up always formatting the card in the camera as it is inserted, gives best results. Any changes in firmware, any incompatible files between cameras, incompatible subdirectories- get eliminated. The cards generally use "FAT-32", but the cameras do not run DOS. So no telling what they are really doing, what games and shortcuts the camera firmware is doing to speed things up.



#4
RoxethRook

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Thanks for your response.

 

I have formatted the SD card and copied the folder DCIM and all its sub folders (1nnNIKON) and files.  When connected to the computer the files are readable bit when in the camera I get the message "Memory contains no images".

 

What can I do now please?

 

 



#5
Merco_61

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Use your files in a computer or a device that can read them. Take more photos, load into computer, format card, rinse, repeat. The camera isn't a presentation device.



#6
TBonz

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Peter is correct.  If you copied the files to your computer and then formatted the card, it won't have any images on it.  I would recommend backing up important photos to more than just your computer's main disk, but once you have them on the computer (and backed up as recommended), then you should format your card and be ready to shoot more with the camera.  The screen on the camera is a handy tool to review shots while shooting to make sure you captured what you were hoping to capture, but it isn't designed to be a presentation device.  I have seen people run a cable from camera to TV to display photos, but you can do the same easily from a computer and by creating slide shows, you will have a much better presentation...