Sony PCG-FX210 Primary User Manual page 50

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If you set the display resolution higher than the default setting (1024 x 768, 16 bits),
the DVD video may not play properly.
To view the DVD video clearly, set the display resolution to 1024 x 768 dots (16 bits).
Do not switch the power saving modes while you are playing the DVD disc.
Change the setting to disable the screen saver and the virus checker (if it is
active).
Do not use memory-resident utility software to speed up disc access. This may
cause the computer to malfunction.
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