Sony VAIO VPCZ12 SERIES - Manual (Page 109)

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Using Peripheral Devices >
Connecting an External Display
Connecting an External Display
Some features and options in this section may not be available on your computer.
!
Blu-ray Disc playback on a connected external display may be interrupted, depending on the type or bit rate of the video. You may be able to solve this
problem by lowering the screen resolution of the display. Follow the steps in Why doesn't my screen display a video?
(page 192) to change the screen
resolution.
✍
If disconnecting the external display from the optional port replicator does not automatically change the LCD resolution of your computer, change the
current display settings. To change the settings, see Selecting Display Modes
(page 116) .