Make sure that the Memory Stick Duo™ access
indicator located on the lower left of the system is not lit.
NOTE: Do not eject a Memory Stick Duo™
while the PSP® is loading data from or saving data to the
Memory Stick Duo™ because this may
cause data loss or corruption.
Open the slot cover for the Memory Stick Duo™.
Press the Memory Stick Duo™ and then release
to eject it from the system.