SD Memory Card Error?

Question

I have a canon sx230 camera with 8 GB Kodak 200x (Full HD) memory card
after deleting files or move them to HDD by camera or card reader it disappears..but then it comes back when i put it again in camera or card reader
the windows and camera formatting tools can't formatted it.
the camera can't make more shots and when I take a pic or movie it turns off and says memory card error
the camera works with any other cards very well
I tried to copy some files by pc on sd card
just 5 GB copied and then when I removed the card and insert it again in card reader the copied files was disappeared and those old pics again were there!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
I used the sd card formatter program but it says that the memory is write protected bu it is not
now what should I do??????????????

Answer 1

All cards above 4GB are SDHC format. Is your camera and laptop / card reader SDHC Compatible? Check if the card can be formatted in any friend's machine / camera. Also when you copy files into computer, do you use the option "Safely remove USB Device" ? If not, the files are not copied into the card and gets corrupted since they are stored in a buffer area.

Answer 2

You are handling a layout that has the contacts of the cardboard uncovered to something might come alongside, sticky hands, put on and abrasion and different matters in an effort to purpose deficient connection of the cardboard to a reader, digicam or different gadget. This is maybe one cause that CF playing cards are nonetheless used on respectable cameras. Call Lexar and ask them for precise activities cleansing guidelines in your SD playing cards they usually must have an fashionable answer.

Answer 3

Damaged card. Throw it away and buy a new one.

Answer 4

Go to where you bought it and ask them for service