How to change the monitor refresh rate in Windows?

Adjust your refresh rate via "Advanced Display Settings" for a smoother visual and gaming experience. Open Settings: Right-click on your desktop and select [Display settings]. Advanced Options: Scroll down and click on [Advanced display settings]. Select Refresh Rate: Under the "Choose a refresh rate" dropdown, select the highest ...

How to setup and configure dual monitors?

Connect your cables, then use system shortcuts to choose between "Extend" or "Duplicate" modes and arrange the display order. Step-by-Step Instructions: 1. Fast Mode Switching (Windows) Press the Win + P shortcut. Select [Extend] to use both screens for different content (Recommended). Select [Duplicate] to show the same image on b...

How to clean LCD display?

General Precautions Make sure the monitor is turned off and the power cable is unplugged from the power outlet. Never spray or pour any liquid directly onto the screen or case. Doing so could damage your monitor. Dust or hard materials may scratch the screen. Please make sure the cleaning cloth is free of any debris. Clean and dry the m...

What should I do if there is no video signal when using the HDMI port?

Ensure the monitor is set to the correct HDMI input source and that the cable is firmly connected to the graphics card (GPU) output, not the motherboard. Verify Physical Connections: Unplug and re-seat the HDMI cable at both ends. Note: For desktop PCs, ensure the cable is plugged into the dedicated Graphics Card (GPU) port rather ...

Why Your Monitor Mount Joint Might Be Stiff

The rotation axis of the Arm Hinge may feel tight or exhibit restricted movement. This is by design, as the axis incorporates a degree of resistance to help prevent the monitor from dropping, tilting, or moving unintentionally after installation. Before a monitor is installed or when the monitor’s weight is not applied, the rotation...

Which cable do I need to support a 144Hz refresh rate?

To achieve 144Hz, you must use the correct version of DisplayPort (DP) or HDMI based on your resolution. DP is the recommended interface for high refresh rates. Cable Requirement Table: Target Resolution Recommended Cable (or higher) Note 1080p (FHD) DisplayPort / HDMI 1.3 Supported by most modern cables 1440p (2K) DisplayPort 1.2 /...

Why is my monitor emitting a high-pitched noise or buzzing sound?

Slight electronic humming is often normal (Coil Whine); however, persistent or loud noise may require environmental troubleshooting or technical support. Check Power Source: Plug the monitor directly into a wall outlet instead of a power strip to rule out electrical interference from other devices. Adjust Brightness: Try changing the b...

Why can’t my monitor automatically detect a source?

The "Auto Detect" feature is disabled by default on many models. You must manually enable it within the OSD menu to allow the monitor to switch between active ports automatically. Step-by-Step Instructions: Press the physical button to call up the OSD Main Menu. Navigate to the [Input Select] section. Locate [Auto Detect] at the bo...

Why does my TD2220 randomly receive touch signal and respond accordingly while exposed to sunlight?

TD2220 is an optical touch monitor which uses two CMOS cameras (optical sensors) placed in the corners at the top of the screen as well as three reflectors (light strips). These cameras are used to look across the entire touch surface for touch events. When an object touches the screen, it blocks some of the light being received by the sensor...

Why can't I choose Contrast or Brightness?

Certain preset modes (ViewMode) are factory-calibrated for specific visual tasks and will lock parameters to maintain optimal performance. Switch to [Standard] mode to regain manual control. Step-by-Step Instructions: Press the [Menu] button (located on the back or bottom of the monitor) to open the OSD menu. Navigate to the [ViewMode...