Panasonic Toughbook CF-U1AQB1G2M Reference Manual page 3

Introduction
Sound and Video
Sound (e.g. MP3, WMA) and video (e.g. MPG, WMV) recorded in SD Memory Cards may be interrupted during playback.
If this happens, copy them to the flash memory drive and play back.
Sound and video in AVI files may be interrupted or produce a time-lag during playback. If this happens, click
the notification area, and click [High performance]. This may remedy the problem.
Depending on the processing status on Windows, sound may be interrupted at Windows startup. You can mute the sound
at startup.
Right-click the desktop and click [Personalize] - [Sounds].
A
Remove the check mark from [Play Windows Startup sound], and click [OK].
B
If high-frequency sound occurs while using the computer
This symptom is mitigated by changing the settings for the USB power saving function.
• Set [USB selective suspend setting] to [Enabled].
Click (Start)- [Control Panel] - [System and Maintenance] - [Power Options].
A
Click [Change plan settings] of the current power plan.
B
In [Change settings for the plan], click [Change advanced power settings].
C
In [Advanced settings], double-click [USB settings].
D
Double-click the displayed [USB selective suspend setting].
E
Change settings of [On battery] and [Plugged in] to [Enabled].
F
Click [OK] and exit the [Advanced settings] screen.
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