Question about Nikon D50 Digital Camera

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I just installed a new SD Card and the "remaining exposures display" says [CHA] - I formatted the card but it still wont work...what should I do?

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  • kakima May 27, 2010

    Are you sure it's an SD card? If it's bigger than 2GB then it's actually an SDHC card and won't work in the D50.

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  • Nikon Master
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Having gone over a month with no response, I assume this is no longer a problem.

Posted on Jul 01, 2010

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1 Answer

How do I correct a sd card error display


you may have to format the card using a pc/laptop, if the laptop picks the card up then format the card using FATx or FAT32 do not use NTFS for cards (you can use it but not recommended if using it in various electronic devices) if the card wont format then its simply faulty and a new one is needed.

May 08, 2014 | Moultrie Cameras

1 Answer

My camera wont take pix says slide lock to write position, when I do that it display "CHA" don't know what that means and still can't take pix


CHA also means the card cannot be used for other reasons. F.i. the card can be damaged. Try to format the card. That is, when you could use the card before. If you bought a new card, Make sure it is not a SDXC card, because your camera only allows MMC, SD and SDHC cards. If nothing helps, also look in the memory card holder, if nothing strange is in there, or the sensor that looks for the lock, is functioning correct. If you don't know how, please visit or contact a Nikon-Authorised service centre.

Feb 13, 2014 | Nikon D5000 Digital Camera

1 Answer

CHA is blinking on the control panel, and on the viewfinder it says Card is locked. Can't get rid of these things, and obviously can't take pix. We just charged the battery before Easter and haven't been...


First, remove the memory card and look at it. SD cards have a slide switch along one edge. The position farthest from the contacts locks the card, protecting it from writes. The position nearest the contacts unlocks the card. Then put the card back into the camera and format it by pressing and holding the two format buttons (trash can and exposure compensation buttons) until the LCD blinks. Release and then press the two buttons again to format the card.

If this doesn't do it, please reply to this post and we'll go on from there.

Apr 29, 2011 | Nikon D80 Digital Camera with 18-135mm...

1 Answer

What does CHA mean


Nikon says this about CHA:


When a Memory card is inserted into a D-SLR camera, the camera checks the card for compatibility and usability. There are three possible results of the test:

1) Camera detects valid Memory card, displays number of remaining images in top LCD

2) Camera displays "FOR" in top control panel LCD. The camera has detected a valid disk partition map, but was unable to read the first sector of the Memory Card. Formatting the memory Card using the cameras format option, should resolve this condition and allow the Memory card to be used.

3) Camera displays "CHA" in top LCD. The camera has detected an invalid partition type or is not working properly. Reformatting the memory card may allow it to be used. If an approved memory card causes the camera to display the "CHA" indicator contact the memory cards manufacturer for assistance.

(Nikon's list of "approved" memory cards can be found here.)

Please note that the default disk format used in Windows XP is FAT32 and if a card is formatted with this setting on an XP system, a D1 series camera will report "CHA". Reformat the card as "FAT" to use in the D1 series camera.


When the CHA error is shown, typically the camera will freeze and require that the battery be removed from the camera before it can take another picture. After that picture has been taken, the camera freezes up again for many owners.

Some owners have success removing and either re-seating or inserting a new memory card in the camera.

Some owners have success clearing the error by removing the lens and then reinstalling.

The key to these "fixes" is that they don't all work for everyone. You might need to return the camera to Nikon for repair. You can arrange for Nikon service here.

I hope this helps and good luck. Please rate this reply
. Thank you.

Apr 06, 2011 | Nikon D90 Digital Camera with 18-105mm...

1 Answer

Took the memory card out of my camera yesterday. when i put it back in it displays CHA on the screen. what happened? i can't use my camera.


The CHA error indicates an issue with the memory card in the camera.

Try another card and see if that works ok.

Also, always format cards in the camera.


In case the error comes back on a new card, you will need to send the camera to Nikon.

I will appreciate your feedback and positive rating for this free solution.

Sep 30, 2010 | Nikon D100 Digital Camera

1 Answer

Get error message CHA where number of exposures should be. Have inserted (and formatted) two new Sandisk Extreme III memory cards with same result. Camera is brand new and I have yet to take a picture...


1. Check to see that none of the pins in the card compartment of the camera are bent. 2. Format the card in the computer. Choose FAT..not FAT32 3. Format the card in the camera. This has worked for many users.

Aug 13, 2010 | Nikon D700 Digital Camera

2 Answers

Canon Digital Rebel XT auto focus


Auto Focus does not determine exposure. Only sharpness. "Wrong" exposure could be due to the metering mode being set in Spot Metering. Set it back to Evaluative Metering which may improve the overall even exposure of your shots. Test your shots in full auto or P mode. M (Manual) mode will require you to check the exposure setting manually (you can see the indicator in the viewfinder when you half-press the trigger)

Nov 05, 2009 | Canon Rebel XT / EOS 350D Digital Camera

1 Answer

CHA?


I found this answer on the Nikon web site.

3) Camera displays “CHA” in top LCD. The camera has detected an invalid partition type or is not working properly. Reformatting the memory card may allow it to be used. If an approved memory card causes the camera to display the "CHA" indicator contact the memory cards manufacturer for assistance.

Please note that the default disk format used in Windows XP is FAT32 and if a card is formatted with this setting on an XP system, a D1 series camera will report "CHA". Reformat the card as "FAT" to use in the D1 series camera.

Jul 11, 2009 | Nikon D70s Body Only Digital Camera

2 Answers

Nikon D70, displaying error code 'CHA' when memory card inserted. Unable to format or use memory card. Have tried new memory card, still same problem.


CHA errors indicate a communication issue with the CF card. Your card could be going bad, you could have a broken pin, or any number of other problems.

I'm running into this same problem now. If anyone has a good step-by-step to troubleshoot which of the dozen things this error could be, I'd appreciate it.

For myself, I'm planning to start by trying a new CF card.

Sep 02, 2008 | Cameras

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