LG 55LB671 - User Manual

Questions and Answers

N
Nathan BeanSep 12, 2025
Why does my LG 55LB671 show 'No Signal' on the screen?
- M
  mccoyheatherSep 12, 2025
  If “No Signal” appears on your LG LED TV screen, first check if the signal cable is properly connected between the TV and other devices. Then, verify the selected input source by pressing the INPUT button on your remote.
E
Eric JenningsAug 25, 2025
What to do if my LG 55LB671 LED TV has no image and sound?
- R
  Rachel SotoAug 25, 2025
  If your LG LED TV shows no image and produces no sound, first verify that the TV is powered on. Next, ensure the power cord is securely connected to a working wall outlet. You can test the outlet by plugging in another device to see if it works.
E
Ethan JohnsonAug 25, 2025
Why does my LG 55LB671 keep turning off?
- E
  Eric BaldwinAug 26, 2025
  If your LG LED TV turns off suddenly, here are a few things to check: * The power supply might be interrupted. Check the power control settings. * Ensure that the Automatic Standby, Sleep Timer, or Timer Power Off functions are not activated in the Timers settings. * If the TV is on but not receiving a signal, it will automatically turn off after 15 minutes of inactivity.
D
Diane MccartySep 23, 2025
Why does my LG LED TV make noise?
- M
  melissa81Sep 23, 2025
  A change in ambient humidity or temperature may result in an unusual noise when your LG LED TV turns on or off. This is normal, and there is no problem with your product.
T
Tracy NguyenSep 12, 2025
Why does my LG LED TV say 'No Signal' when connecting to PC via HDMI/DVI?
- A
  ashleygonzalezSep 12, 2025
  If your LG LED TV displays 'No Signal' or 'Invalid Format' when connected to a PC via HDMI/DVI, try turning the TV off and then on again using the remote control. If that doesn't work, reconnect the HDMI cable. As a final step, restart your PC while the TV is powered on.
C
Cheryl WeaverSep 16, 2025
How to fix LG LCD TV remote control not working?
- J
  Jesse DavisSep 16, 2025
  If you're unable to control your LG LCD TV with the remote, start by checking the remote control sensor on the TV. Make sure there are no obstacles blocking the path between the remote and the TV. Also, verify that the batteries in the remote are working and properly installed.
F
Frank HendersonSep 5, 2025
What to do if my LG LED TV turns off suddenly?
- A
  Ann HendricksSep 5, 2025
  If your LG LED TV turns off suddenly, check the power control settings. The power supply may be interrupted. Also, verify if the Sleep Timer or Timer Power Off feature is activated in the Timers settings. Note that the TV will turn off automatically after 15 minutes of inactivity if there is no signal.
S
Stephen PerkinsSep 6, 2025
What to do if my LG LCD TV turns off suddenly?
- M
  Melissa PerrySep 6, 2025
  If your LG LCD TV turns off unexpectedly, it could be due to a few reasons. First, the power supply might be interrupted, so check the power control settings. Second, the Automatic Standby, Sleep Timer, or Timer Power Off functions may be activated in the Timers settings. Finally, if the TV doesn't receive a signal for 15 minutes, it will automatically turn off.
T
tpenaSep 18, 2025
How to fix 'No signal' or ‘Invalid Format’ on LG LED TV when connecting to PC (HDMI/DVI)?
- R
  rmckeeSep 18, 2025
  If you see a ‘No signal’ or ‘Invalid Format’ message on your LG LED TV when connecting to a PC via HDMI/DVI, try turning the TV off and then on again using the remote control. Reconnect the HDMI cable. If the issue persists, restart your PC while the TV is on.
J
Jonathan EllisAug 30, 2025
What to do if my LG 55LB671 LED TV says no signal?
- D
  Donald CollinsAug 30, 2025
  If your LG LED TV displays 'No Signal', ensure the signal cable is correctly connected between the TV and any connected devices. Also, verify the selected input source by pressing the INPUT button on your remote.