User Tag List

Thanks useful information Thanks useful information:  0
Results 1 to 9 of 9

Thread: SD card after taken out of computer is unreadable

  1. #1
    Former User Name : Alisha Poor Alisha Rawling's Avatar
    Join Date
    18 Apr 2016
    Location
    Melbourne
    Posts
    1,009
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)

    SD card after taken out of computer is unreadable

    Hi a brand new Extreme sandisk 64gb new keeps becoming unreadable by camera and computer once taken out of computer to load photos.
    have to keep formatting it in camera everytime. Basically if I don't load them successfully first time then eject I will never be able to load them again. My old SD is great hot plug as many times as you like and it reads all the time camera and computer.
    going back to that old card now. that new SD cost me $50 old one is so better over this new supposed to be better faster the new one, oh wells etc.
    Thanks,
    Alisha.
    Canon 1500D, 18-55mm, Tamron SP 150-600mm F/5-6.3 Di VC USD. Your Multimedia Specialist. http://www.thatalisha.com/

  2. #2
    Ausphotography Veteran tandeejay's Avatar
    Join Date
    22 Feb 2015
    Location
    Brisbane
    Posts
    3,613
    Mentioned
    4 Post(s)
    Tagged
    0 Thread(s)
    I've had similar issues. In one case it was an sd card reader fault. (Might have been an incompatibility between the card reader and a specific card), but replacing the card reader solved that issue. The other time ive had that issue was when I failed to 'eject' the card before pulling it out of the card reader.

    Sent from my LG-M700 using Tapatalk
    John Blackburn

    "Life is like a camera! Focus on what is important, capture the good times, develop from the negatives, and if things don't work out take another shot."


  3. #3
    Arch-Σigmoid Ausphotography Regular ameerat42's Avatar
    Join Date
    18 Sep 2009
    Location
    Nthn Sydney
    Posts
    19,470
    Mentioned
    23 Post(s)
    Tagged
    0 Thread(s)
    This sounds familiar. I've had the odd message with CF cards, when put into computer card slot,
    that the cards needs formatting. - It didn't. A couple of things to check along the way...
    1) is the write protect switch in the right place on the card? (It could have been accidentally shifted.
    2) can you connect using a USB cable from camera to computer and can you see/operate on the files?

    I hope you didn't lose any images as a result of this. Try ^ and let us know.

    - - - Updated - - -

    A link for the first thing above...
    https://www.wikihow.com/Remove-Write...-on-an-SD-Card

    - - - Updated - - -

    ^^ Good point by Tands.

    Do you eject the card properly after you use it in the computer?
    You've got to "logically eject" or unmount the card before you physically remove it.

    Here's a video how to do it but using a USB stick. The procedure is the same for the SD card.
    https://www.youtube.com/watch?v=Pnqoe22AoV0

    Another method that works for cards and USB sticks but not USB HDDs is to locate the drive
    in File Manager and R-click then select "Eject...[name of drive]". You'll get a message saying it is
    "safe to remove media". If you get a "device in use" message instead, just shut down the whole
    computer first.

    A 1000 apologies if you already know this. (And only 500 if you knew it and forgot.)
    CC, Image editing OK.

  4. #4
    New Member Saph's Avatar
    Join Date
    12 Apr 2019
    Location
    Caloundra
    Posts
    14
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    I will add it might be the card reader aswell because depending on the formats the card has labled older card readers will have a issue and try writing over a new format for the card, tho its also odd because we share the same camera (canon 1500D) and ive moved my same card between pc and camera mutiple times over 2 cameras with 0 issues.

    If you Google the card reader it should tell you what it can handle it might just be having issues with the SDXC and can only read SDHC.

    I know more about computers then photography and sd cards and all that since my main use for sd cards has ben micro ones for my phone.
    Last edited by Saph; Yesterday at 2:02am.

  5. #5
    A royal pain in the bum! arthurking83's Avatar
    Join Date
    04 Jun 2006
    Location
    the worst house, in the best street
    Posts
    8,508
    Mentioned
    4 Post(s)
    Tagged
    0 Thread(s)
    Extreme Sandisk 64Gb isn't an accurate enough description of the card you got.
    There are various models of Cards with that model type.
    Look up the exact type and understand its small details.

    Could be a simple 'trip up' reason for the issue.
    Card is 64Gb, and PCs are capable of formatting to various types and sub variables such as block type and so on a so forth depending on the exact model of card.
    For large memory cards like this, it's the PCs fault most of the time.
    They don't know what device you're using the card for, so try to format the card in a more efficient manner.
    Cameras are dumb(actually the manufacturers are!.. but anyhow lets stick to the camera). They only use a very few specific data format structures.
    Can't remember what camera you use Alisha, but the older, the fewer those format types are too.
    That is, if the card is SDHC or SDXC, and your camera doesn't recognise those card types, it formats it to the standard SD format, and the PC is confused seeing a later version card type.

    What to do: only ever format card in camera.

    If the issue is more serious than that above then you have two options:

    do a full format of the card on the PC.
    When you format anything, it's most common to do the quick format.
    That's just human nature .. we want cheap thrills and we want them quickly!
    Full format, or if you have a program that can do a secure erase, it helps.
    Then do a scan windows does it, so do other software dedicated to the job.
    Could be a bad block or two causing this.

    If every time you load card into PC and it's not working properly read the next part.


    Quote Originally Posted by Alisha Rawling View Post
    Hi a brand new Extreme sandisk 64gb new keeps becoming unreadable by camera and computer once taken out of computer to load photos.
    have to keep formatting it in camera every time. Basically if I don't load them successfully first time then eject I will never be able to load them again. ....
    Question time:

    1/. did you get it cheaply?
    2/. did you get it from a reputable source.
    3/. have you checked it to be genuine.

    If you bought it half the price of what almost all other retailers sell those cards for, there's a good chance it's a knock off.
    What these creeps also do is faux format them to the advertised size, but it's not.
    Do the check. Only real way you can do this is to try to fit an amount of data that the device says it will hold.

    eg. Windows formats the card in whatever way you choose. Doing this varies the physical size limit on the memory space.
    Usually the default is 4kb blocks in FAT32 format. but either way, the actual capacity won't be 64G, it's more likely to be 60Gb.
    Whatever the actual capacity .. try to transfer that much data from PC to card.
    Doesn't matter what the data is .. music. pictures, video, filler data .. doesn't matter. It just needs to try to fill it.
    If it's faux .. then the transfer will stop unexpectedly and will never allow the PC to transfer the full amount of data to fill it.
    If that happens ... then the card is a fake(ie. faux)

    Reputable source = just about any bricks and mortar store. Many online retailers are genuine about the stuff they sell too.
    But be very weary of 'ebay' type online places .. which includes possible deal of the day type places too.

    .. there's a high chance it's not genuine. Just a faux knock off.
    I think Sandisk themselves have a genuine check website where you can compare the card image.

    ALSO: don't expect that the newer 'faster' card WILL be faster. That is hardware dependent. If in doubt, ask questions.
    Basically: the camera determines the speed of the card more so than the card.
    You can have a faster card, but if the camera can't support that speed, then the camera is the max speed limit(which is going to be slower than you think).
    Also on the PC, PC itself can handle just about any speed. But your 'card reader' becomes the limitation.
    Pretty much all card readers are USB connected.
    USB is slow, so you're not going to see 100Mb/s over USB.
    USB3 can be faster, USB3.1 faster again. But don't always count on it. It depends on what USB3/3.1 internal hardware you have.
    Do you have a built in(to the PC) USB reader?
    If so, this could be the issue.

    If all of the above doesn't make a lot of sense .. that's common. The way USB has been implemented over the years is a bit of a joke.
    PC parts vendors look to make profit .. not happy customers that always get what they wanted.
    Because of that, the manufacturers take us for mugs and you read their advertising spiel, without knowing the truth and you get burned.
    Nikon D800E, D300, D70s
    {Nikon} -> 50/1.2 : 500/8(CPU'd) : 105/2.8VR Micro : 180/2.8ais : 105mm f/1.8ais : 24mm/2ais
    {Sigma}; ->10-20/4-5.6 : 50/1.4 : 12-24/4.5-5.6II : 150-600mm|S
    {Tamron}; -> 17-50/2.8 : 28-75/2.8 : 70-200/2.8 : 300/2.8 SP MF : 24-70/2.8VC

    {Yongnuo}; -> YN35/2N : YN50/1.8N


  6. #6
    New Member Saph's Avatar
    Join Date
    12 Apr 2019
    Location
    Caloundra
    Posts
    14
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by arthurking83 View Post
    Can't remember what camera you use Alisha, but the older, the fewer those format types are too.
    That is, if the card is SDHC or SDXC, and your camera doesn't recognise those card types, it formats it to the standard SD format, and the PC is confused seeing a later version card type.
    I know the reply for both

    They use a canon 1500D and the camera auto formats it to a FAT32 file system

    They mean its a sandisk extreme 64gb and those only come in the SDXC formats and the camera supports SD, SDHC and SDXC formats.

  7. #7
    A royal pain in the bum! arthurking83's Avatar
    Join Date
    04 Jun 2006
    Location
    the worst house, in the best street
    Posts
    8,508
    Mentioned
    4 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by Saph View Post
    .... the camera supports SD, SDHC and SDXC formats.
    At least we can eliminate the camera-card compatibility then.


  8. #8
    New Member Saph's Avatar
    Join Date
    12 Apr 2019
    Location
    Caloundra
    Posts
    14
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by arthurking83 View Post
    At least we can eliminate the camera-card compatibility then.

    yep thats why i think its a reader issue being a pain with the card format because ive seen some older folks that just dont understand their windows xp card reader wont accept their new sd cards only compact flash ones (free lance techie in my spare time).

  9. #9
    Go the Rabbitohs mudman's Avatar
    Join Date
    23 Oct 2008
    Location
    Canberra
    Posts
    3,430
    Mentioned
    3 Post(s)
    Tagged
    0 Thread(s)
    get the appropriate usb cable and then you won't need to take the card out of the camera
    won't get damaged then
    cc and enjoy

    Photography is painting with light

    K1, Pentax 18-250mm zoom, Pentax 100mm macro, Sigma 50-500mm, Pentax 28-105mm
    Velbon Sherpa tripod Photoshop CS6

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •