Toshiba 24V4210U User Manual page 70

148 Troubleshooting
Picture problems
Other problems.
If your TV's problem is not addressed in this Troubleshooting
chapter or the recommended solution has not worked, use the Reset
Factory Defaults procedure, see "Reset Factory Defaults" on
page 58.
TV will not turn on.
Ensure the power cord is plugged in properly, and then press the
POWER button.
Replace the batteries in the remote control, see "Installing
batteries" on page 40.
Try the control panel buttons on the TV.
Picture problems
General picture problems.
Check the antenna/cable connections, see "Connecting Your TV"
on page 24.
Press the INPUT button on the remote control or on the TV and
select a valid video input source, see "Selecting the video input
source" on page 59. If no device is connected to an input on the TV,
no picture appears when you select that particular input source. For
device connection details, see "Connecting Your TV" on page 24.
Antenna reception may be poor. Use a highly directional outdoor
antenna (if applicable).
The station may be having broadcast difficulties. Try another
channel.
Adjust the picture quality, see "Using the advanced picture settings"
on page 114.
Cannot view external signals or channel 3 or 4.
If you cannot view signals from external devices connected to
VIDEO, ColorStream ®HD1, ColorStream ®HD, HDMI 1, HDMI 2,
PC, or from channel 3 or 4, ensure that the Input Lock is set to Off,
see "Using the Locks menu" on page 86.
Noisy picture.
If you are watching an analog channel (off-air broadcast or cable
TV), you can set the CableClear _'> feature to reduce visible
interference in the TV picture, see "CableClear® digital Noise
Reduction" on page 116.