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[LG Monitor Screen] The monitor screen is shaking

Troubleshooting

If the monitor setting screen is shaking, you need to have it inspected by an LG Electronics technician.

Causes and Symptoms

  • The power related part and the PC/signal cable connections are poor.
  • Monitor's recommended resolution/frequency setting is changed.

Try this

Did you check if the monitor setting screen is also shaking?

➔ If the monitor setting screen is shaking, you need to have it inspected by an LG Electronics technician.

※ Access route varies depending on the model, thus for more details, see the user manual.

① At the bottom center of the product, press the Joystick button to open the main menu.

② Move to the right to select [Settings].

At the bottom center of the product, press the Joystick button to open the main menu.

③ Check the setting screen. If it is shaking, then have it inspected by an LG Electronics technician.

The monitor screen is shaking

Did you check the power cord and the monitor adapter connections?

➔ Check if the power cord is correctly connected to the multi tab and if the monitor adapter is accurately inserted.

Check if the power cord is correctly connected to the multi tab and if the monitor adapter is accurately inserted

Did you remove the connected cable and check the contact?

➔ Check if internal metal pins are bent or there are alien substances and if so, replace it with an authentic cable.

Check if internal metal pins are bent or there are alien substances and if so, replace it with an authentic cable.
Did you connect it with the cable included in the product package provided when purchasing it.
If you use a cable out of the product specs, then it can cause screen blinking and no display and so on.
Did you connect it with the cable included in the product package provided when purchasing it

Did you check the monitor setting to see if the DFC/SES functions are activated?

If the DFC or SES function is activated, then the screen might blink as a result.

DFC and SES functions descriptions
  • DFC(Digital Fine Contrast) : Depending on the screen, the brightness is automatically adjusted.
  • SES(SMART ENERGY SAVING): This is the energy saving function.

➔ Deactivating the SES(SMART ENERGY SAVING) function.

① At the bottom center of the product, press the Joystick button to open the main menu.

② Move to the right to select [Settings].

At the bottom center of the product, press the Joystick button to open the main menu.

③ Select [General].

④ Select [SMART ENERGY SAVING].

⑤ Select [Off] to deactivate the function.

Select [Off] to deactivate the function

➔ Deactivating the DFC(Digital Fine Contrast) function.

① At the bottom center of the product, press the Joystick button to open the main menu.

② Move to the right to select [Settings].

③ Select [Picture].

At the bottom center of the product, press the Joystick button to open the main menu.

④ Select [Picture Adjust].

⑤ Select Off in [DFC].

Select Off in [DFC].

Did you reset the monitor setting?

➔ It can occur due to monitor power saving or auto off errors, thus reset the monitor to the factory setting.

※ Access route varies depending on the model, thus for more details, see the user manual.

① At the bottom center of the product, press the Joystick button to open the main menu.

② Move to the right to select [Settings].

③ Select [General].

④ Select [Reset to Initial Settings] and press [Yes] to reset it.

Select [Reset to Initial Settings] and press [Yes] to reset it.

Did you try to change the PC resolution to [Recommended]?

In Windows, check if the display resolution is set to [Recommended].


➔ How to set Windows10

① Right click with the mouse button on an empty space in the background of your PC screen and then select [Display Setting].

Right click with the mouse button on an empty space in the background of your PC screen and then select [Display Setting].

② Set [Change the size of text, apps, and other items] and [Display resolution] to [Recommended].

Set [Change the size of text, apps, and other items] and [Display resolution] to [Recommended].

③ If you cannot set [Change the size of text, apps, and other items], then run [User Defined Size Adjustment Off and Logout] at the top.

If you cannot set [Change the size of text, apps, and other items], then run [User Defined Size Adjustment Off and Logout] at the top.

➔ How to set Windows11

① Right click with the mouse button on an empty space in the background of your PC screen and then select [Display settings].

Right click with the mouse button on an empty space in the background of your PC screen and then select [Display settings].

② Set [Scale] and [Display resolution] to [Recommended].

Set [Scale] and [Display resolution] to [Recommended].

③ If you cannot set [Scale], then run [Turn off custom scaling and sign out] at the top.

If you cannot set [Scale], then run [Turn off custom scaling and sign out] at the top.

This guide was created for all models, so the images or content may be different from your product.

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