Sony PCG-FX170K - Manual (Page 48)

VAIO Notebook User Guide
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For optimal writing speed, deactivate the screen saver and exit anti-virus software
before writing data to a disc.
For best results, use CD-Rs that are compatible with 4x speed, as DirectCD™ and Easy
CD Creator™ are preset to that speed. Your notebook does not support 1x writing
speed. If you use CD-RW or CD-R writing software other than DirectCD™, use
PowerPanel to select the DVD Profile.
When using Easy Creator™ Standard, be sure to close and exit all other applications.
If your notebook computer has preinstalled Microsoft® Office applications, such as
Excel, Word, and Outlook, turn off the FindFast application.
Do not put your notebook into power saving mode while using DirectCD™ to write
data, or while using Easy CD Creator™.
Never touch the surface of the disc. Fingerprints and dust on the surface of a disc
may cause writing errors.
Do not strike or shake the computer while writing data to a disc.
Memory-resident disc utilities may cause unstable operation or data loss.
Deactivate these utilities before writing data to a disc.
Always use the AC adapter as the power source for your computer when you are
writing data to a CD-RW or CD-R. Using battery power may result in data transfer
failure.