Troubleshooting - ViewSonic VFD820-70 User Manual

Troubleshooting

Problems
Cannot power on, even when the device
is connected to an electrical outlet.
Screen is off or too dark.
Screen freeze and does not respond to
control anymore.
Cannot playback pictures.
Failed to read memory card.
Return to the Main Menu automatically
when playing content.
Solutions
Check whether the AC power adapter rating
is correct, and it is securely plugged to the
device and to an electrical outlet.
Check whether the screen brightness is set to
a low level in the Setup menu.
Unplug the device and plug it again.
Only support pictures in JPEG, JPG format in
baseline.
Check whether memory card is inserted
properly. The notch should be on the left hand
side. Do not force the memory card in. The
maximum capacity of memory card is 32GB.
Restart playing. Note: This device has a self
protection function against sudden system
abnormality.
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