Sony PCG-GRX670K - Manual (Page 45)

 Double-click the listed optical drive. The Properties window appears.
 Click the Properties tab, and click to select the Enable digital CD audio for this CD-ROM device check
box.
Why did the computer screen (LCD) go blank?
 Your computer screen may go blank if the computer has lost power or is in a power saving mode (Standby or
Hibernate).
 Make sure the computer is plugged into a power source and is on. The power indicator turns on if the
computer is on.
 Make sure the battery is inserted properly and is charged.
 If the computer is in LCD (Video) Standby mode, press any key to activate the computer screen.
 If the display mode is set to external display, press and hold the Fn key while you press F7 several times.
Why don't my changes appear on the computer (LCD) screen?
You may need to refresh the computer screen. Press the Windows key and press D twice.
Is the CD-RW reading speed slower than the CD-ROM or CD-R reading speed?
Generally the CD-RW reading speed is slower than the CD-ROM and the CD-R reading speeds, although reading speeds
vary depending on the format you are using.
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