DV7905 Quick Reference Guide V1.0
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Troubleshooting
Issue
Possible reason
Solution
After turned on,
without any
display
The power cord Doesn’t
connect or socket without
electricity
Connected power plug, ensure normal voltage
electrical outlet
TV with images
without Voice
Audio cable is not
connected
Re-connect the Audio cable
TV Box in MUTE state
Please press mute button to restore volume
Audio setting is abnormal
Please enter the audio and video Settings
menu, select the appropriate sound channel
and language
Volume is too low
Turn up the volume
Fail to connect
the network
Cable connect is abnormal
Please reconnect internet
Wi-Fi closed or the signal
is too weak
Please restart the Wi-Fi or adjust the position
of this machine
Controller failure
Remote control is not
in the correct direction
Please aim at the front panel's ' SENSOR',
then try again
Remote control is with low
battery
Please change the batteries
Remote control is broken
Please send it to the local maintenance station
for checking
