Sony PCG-GR300 Manual

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To remove your notebook from the port replicator 
1.
Use the Unplug/Hardware box to stop all connected peripherals, then disconnect the peripherals from the port
replicator. 
2.
Pull the levers on each side of the port replicator to release the notebook from the port replicator. 
  Releasing notebook from port replicator 
3.
Lift the notebook away from the port replicator. 
  Removing notebook from port replicator 
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