Sony PlayStation Portable (PSP) Console "0kb" Questions

my psp says to format the memory stick and saying 0kb! what should I do now??? format it then you will have used 0kb out of the total amout then try saving some game data onto it to see if it works

My psp memory card not accepting/reading...help Ive been having the same problem with my 4GB Pro Mem stick when you put it in does it say 0kb left?

...won't work. I have an 8gig pro duo. The problem is it will not read, sometimes it comes out like 0kb or nothing at all. I tried blowing on it but nothing happened. Before this, a piece fell off it ...

...just blink blink!! after plugging my memory stick twice or thrice my psp reads it but only display 0KB in my memory stick it does not recognize it.. but when i plug it harder it gives the right data ...

how to completely reset an xbox 360 i reset and now all data is showing 0kb but memory unit is showing 1.5gb being used. I cannot save to memory at all. how do i fix this First of all you must remove ...