Panasonic 3E Operating Instructions Manual page 26

Troubleshooting
n
The screen is
unreadable or
distorted.
n
Incorrect characters
appear on the screen.
The critical low-battery
error message appears,
n
and the computer
turns off
n
The computer enters
sleep mode immediately
after power-on.
n
The computer does
not return from sleep
mode, and the computer
n
does not work.
No sound can be heard
n
from the speaker even
when the volume is
turned up.
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DISPLAY PROBLEMS
Make sure that:
– The screen resolution and color quality are
correctly set.
–The monitor type is correct.
Are the operating system or programs installed
correctly? If they are installed and configured
correctly, have the computer serviced.
SLEEP PROBLEMS
The battery power is getting low. Connect the AC
adaptor to the computer.
Make sure that the battery is charged.
– The operating temperature may be too hot.
Move to a cooler environment and try to wake
the computer.
If your computer is in sleep mode, connect the AC
adaptor to the computer, then press the Windows
button or the power button.
If your computer is powered-off, connect the AC
adaptor to the computer, then press the power
button to resume operation.
SOUND PROBLEMS
Make sure that:
–The Mute function is off.
–The combo audio jack is not being used.
–Speakers are selected as the playback device.
RECOVERY SYSTEM PROBLEMS
Fail to restore system
The system partition, such as the partition size or
n
partition to factory
the drive capacity of C, has been modified.
default
OTHER PROBLEMS
To turn off your computer, press and hold the
n
power button for 10 seconds or more. If the
computer still does not respond, remove the
Your computer
AC adaptor.
does not respond. Your computer might lock when it enters sleep
n
mode during a communication operation.
Disable the sleep timer when you are working
on the network.
Do not connect or disconnect any external
n
device cables other than USB while the
computer power is on. Otherwise, you might
The connected damage your computer.
external device
When using a high power consumption external
n
does not work. device such as an external USB optical disk drive,
use an external device power adaptor. Otherwise,
the device may not be recognized, or the system
may shut down as a result.
Available in the U.S. only for the K-12 market starting fall 2014.
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