Sony PCG-GR300 Manual

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To connect a computer display 
Locate the Monitor jack identified by the 
symbol on the back of the notebook. Plug the display cable (not
supplied) into this port. 
If necessary, plug one end of the display power cord into the display, and the other end into an AC outlet. 
  Connecting an external computer display 
  Note: 
 
See the manual that came with your computer display for more information on its installation and use. 
  Connecting a multimedia display 
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