Acer DA221HQL User Manual page 32

FAQ and troubleshooting
This section lists frequently asked questions that may arise during the use of your
DA221HQL, and gives easy answers and solutions to these questions.
Aspect
Audio
Multimedia files
System
information and
performance
Storage
Unlock pattern
32
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?
How do I check
memory status?
I forgot my unlock
pattern.
Answer
If a 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. Refer to "Supported
formats" on page 26 for more
information.
You may be trying to view a video that is not
supported.
You may be trying to play a file that is not
supported.
Tap APPS > Settings > About to check
the OS version (Kernel/build number)
and other hardware and software
information.
To check storage status, go to
Settings >Storage.
After five wrong entries, you can reset
your unlock pattern. Tap Forgotten
pattern? and enter your Google
account username and password.
Note: You must have an active Google
account on the DA221HQL and an
Internet connection.
If this option is not available please
contact you local service center.