Toshiba 58L4300U Manual Do Utilizador

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If your TV’s problem is not addressed in this Troubleshooting chapter or 

the recommended solution has not worked, use the Reset Factory Defaults 

Check the AC wall outlet by trying another device in the AC wall outlet.
Ensure the power cord is plugged in properly, and then press the POWER 

button.
Replace the batteries in the remote control, see 

Try the control panel buttons on the TV.

.

Press the INPUT button on the remote control or on the TV and select a 

valid video input source, see 

. If you have no picture after selecting a Input source, check the 

device connected to that input for proper operation. For device connection 

details, see 

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 

If Edge Enhancer does not achieve a sharper picture, change the 

Sharpness value to increase the sharpness level, see 

If the Input Selection window does not appear when you press the INPUT  

button on the remote control or the TV control panel, press the INPUT 

button a second time. The TV displays the next video input source and the 

Input Selection screen.

If you cannot view signals from external devices connected to VIDEO 1, 

VIDEO 2, ColorStream HD, HDMI 1, HDMI 2, HDMI 3, HDMI 4 or PC, 

ensure that the Input Lock is set to Off, see