Question about Canon PowerShot S400 / IXUS 400 Digital Camera

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Memory Card Error-Won't take Pictures

My camera turns on, but shows the message Memory Card Error and will not take a picture. I purchased a new card (compact flash) and I still get the same message and cannot take pictures. Stumped and don't know what to do? Please help.

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Hi momincali - I posted a solution for someone that seemed to have the same problem as you. If you didn't see it, this is what I wrote:

I had the same problem on my PowerShot S400 as well as I couldn't reformat the compact flash when using the feature on the camera. The solution that worked for me was reseating a small battery (about the size of a watch battery) in side the camera. To get to it you have to take the case apart.
I found this solution by googling and typing:
powershot S400 E50 error
I'm not sure if this site will allow me to add the web link - but this link had a picture of the camera and where the battery is located.

I decided to try it, since I figured I had nothing to loose, becaues otherwise I'd be looking for buying a new camera. To my surprise it fixed my problem, but I do not know if this is a permanent fix. If you do try this - take note of where each of the screws come from. There were 4 different size screws around the case.

There seem to be a lot of complaints about this problem though.

Good luck.

Posted on Nov 24, 2007

  • engrgirl Nov 24, 2007

    Hi momincali - (I posted this update to another user who seems to have the same problem).

    ***UPDATE ***
    I also went to Canon's website and there
    is a service notice for this problem as well, so if you don't feel
    comfortable with manually doing anything to your camera I suggest you
    contact them.

    Here was the link I found:

    If the link doesn't work here is what they say:

    A CF Card communication problem has occurred
    in some PowerShot S400 Digital Cameras. We would like to convey the
    details and our service policy.

    When communication problems with CF cards occur in the this product, the following messages are displayed during use:

    • "Memory Card Error"

    • "Corrupted Data"

    • "Unidentified Image"

    • "E50"

    • "E51"

    The display of such a message, however, does not necessarily
    indicate the existence of the CF Card communication problem that has
    been identified.

    If it is determined by Canon USA that your PowerShot S400 camera is
    exhibiting the CF Card communication problem that has been identified,
    the camera will be repaired free of charge, regardless of whether the
    camera is still under warranty. In addition, a refund of a previously
    paid repair will be made if it is determined by Canon USA that the
    repair of your PowerShot S400 was prompted by the CF Card communication
    problem that has been identified.

    We have implemented a plan to assist those of our customers whose
    S400 cameras have exhibited the CF Card communication problem that has
    been identified. Repair service will be performed free of charge. U.S.
    residents are asked to contact the Canon Customer Support Center for
    assistance at 1-800-828-4040.

    Support hours are Monday through Friday, 8:00AM to 12:00 midnight;
    and Saturday, 10:00AM to 8:00PM (all times EST). Alternatively, if
    electronic support is preferred, please send your e-mail to .

    This information is for residents of the United States of America
    and Puerto Rico only. If you do not reside in the USA or Puerto Rico,
    please contact the Canon Customer Support Center in your region.

    We sincerely apologize for any inconvenience caused by this issue,
    and appreciate your understanding in this matter. Thank you for your
    support and patronage of Canon Products.



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When i turn on my camera it says the memory card needs formatting i follow the instructions but it doesnt work and keeps saying to format the memory card. this happens over and over and i cannot take...

To understand the photo loss situation, consider a scenario: You format a memory card in Digital Camera, and start to capture some pictures. However, while capturing pictures, your camera shuts down due to low battery. Now, after recharging battery, when you try to access those photograph on the card, you receive the following error message on camera screen:

The Card requires formatting: Additionally, the camera is unable to capture any new photographs.

The main cause for the above error message is corruption of memory card due to conking of battery while a read/write operation was running.

These memory card needs to be formatted before you save any new pictures. It is always a good practice to take backup of card and format it before use. This enables you to fight with any damage done to the memory card and to erase the old data saved on the card. However, the probability of card getting corrupted again (after you have saved new data) still exists.

First try formating with an external SD Card reader connected at PC and test it.

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I've got a problem with my camera which is the fuji film s1 pro then when i started to click the shutter there is an blinking error cannot capture photos what should I do?please help me...

There are several things that may cause this. If the previous pictures were downloaded to a computer it will require being formatted in the camera. The memory card is full and can not write any more pictures to the memory card. You may have just purchase a new memory card and it needs formatting before using in your camera. You may have purchase a new memory card that is a higher capacity then what your camera firmware is capable of writing too.

For example my S2 Pro worked great with a 1gig card but on a few shoots I needed to change memory cards so I purchase an 8gig and it didn't work. What I needed to do was go onto the Fuji site and download an updated version on the camera firmware which allowed me to use a 4gig memory card. I have more then one camera so the 8gig was used in another "newer" camera.

Hope one of these is the solution and you can get back to taking pictures

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Card error or camra on or of problem

If the camera was working properly while taking the pictures on this card then the problem lies with the card. Format the memory card, formatting the memory card cleans previously taken pictures and allows for new pictures to be made. Even if you are using a "new" card it needs to be formatted to the camera it's being used in. Your camera dates back to 2004 so a problem I recently ran into with my own camera was I needed to update the "firmware" when I tried to use a memory card larger then 2gig. If you have just purchase a new card and it is larger then what you have been using this might be the case as well. The card error message may also be caused by removing the memory card from the computer without "ejecting" or "safely remove" which shuts off the connection to the card then disconnect. Another reason is if the user constantly deletes pictures and doesn't format.
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'File error' message on samsung L200 camera when viewing a photo

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I had/have the same problem using L200 and SDHC memory card, called Samsung. Can't view certain pictures on camera or computer, camera freezes when viewing those certain pictures, green light flashing.

Samsung support told me that I needed to copy my (good) pictures to a computer first because a memory format will erase everything. Then format (menu->settings->format->yes) my memory card. Tried this just now and took some new pictures, so far so good.

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A card access error may indicate that an xD-Picture Card memory card is in a write-protected condition. xD-Picture Card memory cards have a special protection feature to ensure that your pictures are kept safe. NOTE: During this condition, you can still use the printer for printing and saving photos from the xD-Picture Card to a secure location, such as the computer hard drive. To resolve this error, try the following:
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Hey flowernthe,
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Go Ahead. Use Us.

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You can add memory to your camera by purchasing an xd memory card.
Compatible cards
xD-Picture Card (16MB – 1GB)
There are two ways to record the pictures you take with this camera.
Recording pictures to the internal memory
• Pictures are recorded to the internal memory, and when the number of storable still
pictures reaches 0, you must connect the camera to a computer to download the
pictures, and then erase the pictures from the internal memory.
Using an xD-Picture Card (optional)
• Pictures are recorded to the card when inserted in the camera. When the card is
full, you download the pictures to a computer, and then either erase the pictures
from the card or use a new card.
• Pictures are not recorded to the internal memory when a card is inserted in the
camera. Pictures in the internal memory can be copied to the card using the
[BACKUP] function.
g“BACKUP Copying pictures in the internal memory to the card” (P.25)
“The card” (P.60)
Number of storable still pictures and recording length of movies
Still pictures
• If you use a non-Olympus card or a card used for another application, such as for
a computer, the message [CARD ERROR] is displayed. To use this card with this
camera, use the [FORMAT] function to format the card.
g“MEMORY FORMAT (FORMAT) Formatting the internal memory/card” (P.24)
Additional shooting tips and information
Increasing the number of pictures that can be taken
Number of storable still pictures
Internal memory Card (128 MB)
SHQ 2816 × 2112 2 25
HQ 2816 × 2112 6 76
SQ1 2048 × 1536 8 108
SQ2 640 × 480 60 726
Remaining recording time
Internal memory Card (128 MB)
HQ 320 × 240 (15 frames/sec.) 32 sec. 6 min. 37 sec.
SQ 160 × 120 (15 frames/sec.) 2 min. 8 sec. 26 min. 28 sec.

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This error message indicates that there is no more space on the memory card in the camera. To resolve this problem, do one of the following: Turn off the camera and insert a new memory card. Transfer or delete pictures from the memory card. Change the storage location to use the internal memory.

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This error message means that the card is corrupted or formatted for another digital camera. Turn off the camera. Insert a new card or format the card. CAUTION: Formatting deletes all pictures and videos, including those that are protected. Removing a card during formatting may damage the card.

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