sdcard problem

[Guest gilsgil]

Hey guy, i have problem with my LG GT540 running Android 2.3.3.

My device dont recognize the SDCard.

I've already tried the fastboot oem enableqxdm 0 command but when i do this he shows to me "..." and nothing happens.

what i need to do ?

why the command only shows "..."

Sry for my english. Hope someone could help me