Panasonic Toughbook CF-H1ADBBZCM Reference Manual page 3

Introduction
Sound and Video
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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