Acer Liquid M220 Manuel de l'utilisateur - Page 34
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34 - Appendix
FAQ and troubleshooting
This section lists frequently asked questions that may arise during the
use of your smartphone, and gives easy answers and solutions to
these questions.
Aspect
Audio
Multimedia
files
System
information
and
performance
Power
A
P P E N D I X
Question
Why is there no
sound coming
from the device?
Why can't I view
my picture files?
Why can't I view
my video files?
Why can't I play
my music files?
How do I check
the OS version
of my device?
I can't turn on
the device.
Suggestions
If the headset is plugged into the
device, the speaker is
automatically shut off. Disconnect
the headset.
Check that the device volume
setting is not muted.
Check that the volume control is
not at its lowest setting.
You may be trying to view an
image that is not supported.
Multimedia on page
You may be trying to view a video
that is not supported.
Multimedia on page
You may be trying to play a file that
is not supported.
on page
41.
Tap Settings > Device
information to check the OS
version (Build number) and other
hardware and software information.
The battery power may be
depleted. Recharge the device.
See Charging the battery on
page 5
for more information.
See
41.
See
41.
See Multimedia