Arduino don't recognize microSD Card

I´m working with my Arduino Yun but don´t recognize the micro SD card of 2Gb how can fix it?

also the kernel log show it Arduino kern.notice kernel: [ 10.790000] sd 0:0:0:0: [sda] Attached SCSI removable disk

Please help!! =(

Estoy trabajando con mi arduino Yun pero este no reconoce una micro SD card de 2Gb como puedo solucionarlo Utilizando el comando dmesg solo c visualiza esto

Arduino kern.notice kernel: [ 10.790000] sd 0:0:0:0: [sda] Attached SCSI removable disk

rmchoez: I´m working with my Arduino Yun but don´t recognize the micro SD card of 2Gb how can fix it?

::::SNIP::::

@rmchoez, is it a brand new blank micro SD?

Jesse