LG Monitor - How to Set the Resolution to 4K

At a Glance

You cannot set the 4K resolution in the monitor that is supposed to support 4K?

The 4K resolution enhances the user’s immersion rate with clear pictures and high definition(3840 x 2160).
To express the 4K resolution on the monitor, you must make sure that the graphics card of your PC supports the 4K resolution and
use the cable supporting 4K/60Hz when connecting the PC to the monitor.

Causes and Symptoms

• The graphic card of the PC does not support the 4K resolution.
• You did not connect it with a HDMI 2.0 or DP cable that supports 4K/60Hz.
• When connecting it with a HDMI 2.0 cable, you did not activate the Ultra HD Deep Color settings on the monitor.

Try This

Does your graphics card of the PC support 4K resolution?

➔ Check the specs of the graphics card for your PC.

Checking the specs of graphics card.

1. Right click on your desktop and select [Display settings].

2. In [Display Setting], click [Advanced display settings] at the bottom.

3. Check [Advanced display settings] to see if the graphic card supports the 4K resolution (3840 x 2160).

Did you connect the PC and the monitor using a cable that supports the 4K resolution?

➔ Check the PC and monitor ports and use a HDMI 2.0 or DP cable that supports 4K/60Hz when connecting the PC and the monitor.

When connecting it with a HDMI 2.0, did you activate the Ultra HD Deep Color setting on the monitor?

➔ When connecting it with a HDMI 2.0 cable , set [Ultra HD Deep Color] to [On] in the monitor.

Turning on the [HDMI Ultra HD Deep Color] setting on the monitor

1. Press the joystick button below the monitor to open the main menu.

2. Move your joystick to select the [Settings] menu.

3. In [General] menu, set [HDMI Ultra HD Deep Color] to [On].

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