Troubleshooting - AOC A741 User Manual

8. Troubleshooting

Problem
The device will turn itself off after a
few seconds
No sound is heard
Screen is hard to see in bright light.
Data on the screen is corrupted or a
program is not responding properly
Can't copy file into the device
FCC STATEMENT
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates uses
and can radiate radio frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or more of
the following measures:
-- Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment and receiver.
-- Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected.
-- Consult the dealer or an experienced radio/TV technician for help.
This device complies with part 15 of the FCC Rules. Operation is subject to the following
two conditions:
(1) This device may not cause harmful interference, and (2) this device must accept
any interference received, including interference that may cause undesired operation .
Changes or modifications not expressly approved by the party responsible for compliance
could void your authority to operate the equipment.
Google, Android, Google Play and other marks are trademarks of Google Inc.
Check that the battery is charged.
Adjust the volume level
Check if audio file is broken
Adjust the screen brightness in the system menu.
Avoid using the reader in direct sunlight.
keep power button for long time to restart your Tablet
PC
Check if the device is connected to the computer
correctly.
Check if the memory space is full.
Check if the USB cable is broken
Solution