Sony Vaio PCV-V310P User Manual page 111

To insert a Memory Stick media
1.
Insert the Memory Stick
Inserting a Mem ory Stick m edia
2. If the media does not insert easily, remove it from the slot and verify that it is not upside-down or backwards.
Carefully reinsert the Memory Stick media, but do not force it into the slot.
media into the Memory Stick media slot, located on the right panel.
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