my streak can't see the SD card :(

[abd33d]

hi all ... today my dell streak can't see the SD card !!! i don't know why !!!

the sd card is mounted .. when i go to sittings and try to unmount the sd card to mount it again >>> the launcher hang ... !! and force close

my menu now have only the application installed in phone memory


i turned off the mobile and eject the sd card many times ... same !!

even if i connect the mobile with my PC , the notification in tool bar didn't show u as usual to copy and ... etc .

i can explore my sd card now only through ROOT EXPLORER application .

lately i added 4 folders " ringtones ,alarms,notifications and UI sounds " inside ( SD card\media )


I don't know is that thing makes the problem ???
please help me ...




official 2.2 rooted
318

thanks