The screen isdark.
The screen isdarker when the AC adaptor is not connected. Touch or on the task
tray, and then touch to adjust the brightness.
As you increase the brightness, battery consumption increases.
Press to turn off the concealed mode.
Under factory default settings, the brightness of the display screen willadjust automatically
based on the ambient light detected by the ambient light sensor. You can adjust the settingsfor
thissensor. ( Automatic brightnessadjustment)
Takes time to display “Power Options”
screen.
With the following steps, confirm whether [Copy of Panasonic Power Management] created
when the Power Saving Utility is made has become 100 and more or not.
1.
Touch and hold or on the task tray and touch [Power Options].
2. Touch [Show additionalplans].
When more than one [Copy of Panasonic Power Management] is displayed, touch [Change
plan settings] in the power plan to be deleted and touch [Delete this plan] to delete.
The screen doesnot become bright.
The brightnessis set low to avoid malfunction where surrounding temperature ishigh. For
proper operating temperature ( Specifications)
There are red, green, or blue dots on the
screen, or there is unevenness in colors
and brightnesson the screen.
The following are not malfunctions.
Although advanced high-precision technologies are used in the production of color LCD
screens, 0.002% or less of the picture elements may be darkor remain constantly lit (i.e., more
than 99.998% of elements function properly).
Due to the natural characteristics of LCD screens, you may notice unevennessin colors and
brightness depending on your angle of view. Hues may also vary by product.
The screen isdisordered.
Changing the number of display colors and resolution may affect the screen. Restart the com-
puter.
Connecting/disconnecting an external displaymay affect the screen. Restart the computer.
Resuming from sleep or hibernation may affect the screen of the externaldisplay. Restart the
computer.
During Simultaneous display, one of the
screensbecomes disordered.
When using the Extended Desktop, use the same display colors for the external displayas those
used by the LCD.
If you continue to experience problems, try changing the display.
The externaldisplay does not work nor-
mally.
If the external display doesnot support the power saving function, it may not work normally
when the computer enters the power saving mode. Turn off the external display.
Simultaneous display cannot be used untilWindows startup is complete (during Setup Utility,
etc.).
Sound
No sound.
Press to cancelmute.
Turn off the concealed mode. ( Concealed Mode)
Restart the computer.
Beeping sounds are not emitted by thisdevice.
Distorted sound.
Stop and restart playback.
Cannot record with microphone
Use a monauralcondenser microphone.
Cannot change the volume by pressing
.
Activate the Windows sound function. When it is not active, the volume does not change even if
slide bar isdisplayed.
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