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How to Adjust Brightness on LG Smart TV

How to Adjust Brightness on LG Smart TV [Possible Ways]

In most situations, the LG TV default brightness is perfect enough. But, sometimes, you might have to adjust the brightness of your LG Smart TV if you are planning to watch a movie in the pitch-dark surrounding. LG Smart TV is a user-friendly device that has plenty of customization options. On that note, adjusting the brightness of the LG Smart TV is a cup of cake. You can easily change the brightness in the LG TV Settings.

How to Adjust LG Smart TV Screen Brightness With Magic Remote

Here are the possible ways to Tune the brightness level of your LG Smart TV

How to Tune Brightness from the Picture Mode Settings

This is one simple way to adjust the brightness of your LG TV

#1. Turn On your LG TV and hit the Settings icon on the LG TV magic remote.

#2. On the list of menus, select the All Settings option from the last.

#3. Select the Picture option and tap on the Brightness menu under Customize.

Adjust Brightness on LG Smart TV -Tap on the Brightness option

#4. Now, drag the slider ball left to decrease the brightness or right to increase the brightness.

#5. Once you adjusted the brightness, click the back button and start watching the content on your LG TV

How to Automatically Increase or Decrease Brightness Level on LG Smart TV

Activating the Brightness Control is nothing but enabling an ambient sensor on your LG Smart TV. By enabling the brightness control, the brightness will automatically be adjusted according to the environment lighting.

#1. Hit the Settings button on your LG TV magic remote.

#2. Then All Settings and select the General option from the menu.

#3. Now navigate to AI Service and tap the toggle button near the option AI Brightness Settings to enable it.

Adjust Brightness on LG Smart TV - Turn on AI Brightness settings

#4. That’s it. Now your brightness will change automatically based on the surrounding light.

How to Adjust Brightness by Modifying the Picture Mode

There are a lot of picture modes preset available on the LG TV. Although it is not as precise as changing the brightness manually, it turns the color saturation and brightness of your LG Smart TV.

#1. Press the Settings button and click the All Settings option.

#2. On the Picture menu, tap to select the Picture Mode Settings.

#3. Now, select the picture mode according to your preferred brightness level.

Adjust Brightness on LG Smart TV - Select the picture mode

How to Change Brightness on LG TV by Disabling the Energy Saving Mode

In some cases, you might feel color or brightness fluctuation on your LG TV. This is mainly due to the enabled Energy saving mode on your LG TV. You can fix this easily by turning off the Energy Saving Mode. To do it,

Go to Settings → Navigate to All SettingsPicturesEnergy SavingOff.

Select the off Menu

How to Adjust the Brightness on LG Smart TV Without the Remote

There are several ways to adjust the brightness of your LG TV without the help of an LG TV remote. If your LG Smart TV remote is not working, these methods will come in handy.

Adjust the Brightness using the LG Smart TV Physical buttons

#1. Press the button labeled Menu on your LG TV. In most cases, the button will be located at the bottom edge of the TV.

#2. The Main menu will appear on the screen. Click the Arrow button to navigate to the Display & Brightness option.

#3. Select the Brightness option and adjust the brightness manually using the arrow button and then press the OK button.

Change the Brightness using the LG Smart ThinQ App

LG Smart ThinQ app is an alternative remote controller app for LG Smart TVs. You can access it on your Smartphone by downloading it from the Play Store or App Store. You shall adjust the brightness using the LG ThinQ application as well.

#1. Connect your LG Smart TV to a WiFi. Then, connect the Smartphone to the same Wi-Fi Network.

#2. Download and install the LG ThinQ app on your Smartphone.

LG thinQ app

#3. After installing, launch the app and log in to your LG account.

#4. Hit +Add Device and tap on the Select Device option.

#5. Now, you can find the list of available devices, and from that, select your LG Smart TV.

#6. Once it gets paired, you can see a TV remote interface on the LG ThinQ app.

Remote interface of LG ThinQ app

#7. Now, tap on the Settings button and Navigate to All SettingsPictureBrightness.

#8. That’s it. Adjust the LG TV brightness by tapping the arrows.

Modify Brightness on LG TV using the Wireless Mouse

This is yet another alternate way to adjust your LG Smart TV brightness.

If you have a wireless mouse, follow the below steps to adjust the brightness on your LG Smart TV.

#1. Turn On your LG Smart TV and Plug the mouse’s wireless sensor into the TV’s USB port.

#2. Now, check if your mouse is properly connected to your TV by moving the mouse here and there.

#3. Once the pointer moves on your TV, it means your LG TV is connected properly to your Mouse.

#4. Now, navigate to Settings and increase or decrease the brightness on your LG Smart TV.


1. Why is my LG TV screen so dark?

It might be because of the issue with the energy-saving mode or power fluctuation. Turn off the energy-saving mode and restart the TV again. If the problem has not been solved yet, restart the LG TV and check again.

2. Why is my LG TV brightness changing automatically?

If your LG TV brightness is changing by itself, it may be due to the Ambient light sensor. You can turn off the Ambient light sensor in Settings to prevent automatic brightness adjustment.

3. Can I change the LG TV brightness using the Smartphone?

Yes, if your LG TV is compatible with the LG Thinq app, you can adjust the brightness by installing LG Thinq app on your Smartphone.

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