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If an error message appears on the screen, consult the software
program’s documentation for further information.
If you are sure the operation has stop, reset the computer.
Sound Problems
No sound is produced.
Make sure that the volume control is not set too low.
Make sure that the computer is not in Sleep mode.
If using an external speaker, make sure that the speaker is properly
connected.
Distorted sound is produced.
Make sure that the volume control is not set too high or too low. In
most cases, a high setting can cause the audio electronics to distort the
sound.
The sound system does not record.
Adjust the playback or recording sound levels.
Startup Problems
When you turn on the computer, it does not seem to respond.
If you are using an external AC power, make sure that the AC adapter is
correctly and securely connected. If so, make sure that the electrical
outlet works properly.
If you are using the battery power, make sure that the battery is not
discharged.
WLAN Problems
I cannot use the WLAN feature.
Make sure that the WLAN feature is turned on.