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Power Management
The audio controller in your computer can be turned off when the audio
function is not used. To adjust the configuration of audio power
management, click the Power Management button
.
When audio power management is enabled, the circle button at the
upper left of the Power Management is blue and convex.
When audio power management is disabled, the button is black and
concave.
Speaker Configuration
Click the Auto Test button to confirm the internal speakers or the
headphone sound is coming from the right direction.
Default Format
You can change the sample rate and bit depth of sound.
Video mode
Video mode settings are configured via the Screen Resolution dialog.
To open the Screen Resolution dialog, click Start -> Control Panel ->
Appearance and Personalization -> Display -> Change display
settings.
If you are running some applications (for example a 3D application or video
playback and so on), you may see some disturbance, flickering or frame
dropping on your screen.
If that occurs, adjust the resolution of display, lowering it until the screen is
displayed properly.
Disabling Windows Aero™ may also help correct this issue.
Computer Handling
This section explains computer handling and maintenance.
Cleaning the computer
To help ensure long, trouble-free operation, keep the computer free of dust
and dirt, and use care with all liquids around it.
Be careful not to spill liquids into the computer. If the computer does
get wet, turn the power off immediately and let the computer dry
completely - in these circumstance you should get the computer
inspected by an authorized service provider in order to assess the
scope of any damage.
Clean the plastics of the computer using a slightly water dampened
cloth.
R850/R840/R830
User's Manual 3-51