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 ...

How to set maximum resolution for my monitor?

Please refer to this FAQ section 1 and set to recommended display resolution.

Why is there touch response randomly on my TD2220/TD2421 even nobody touches the screen?

These models are optical touch monitors which use 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 se...

How to set the maximum resolution on your LED monitor?

Adjust the display resolution to the "Recommended" setting in Windows to ensure optimal clarity and eliminate black borders.   Adjust System Resolution: Right-click on the desktop and select [Display settings]. Under the [Display resolution] dropdown, select the value labeled [(Recommended)]. Disable Hardware Overscan: Press ...

How to manually install LED monitor drivers under Win10 64-bits?

If you're not able to install your monitor drivers with the driver pack "Standard Monitor Driver Signed Windows 10 x64 " downloaded from ViewSonic website, please follow below instruction to manually install Win10 x64 driver. 1. Download the attached ZIP file including monitor drivers to your PC and extract it. 2. Under "Control Panel",...

How to set Landscape and Portrait mode on your monitor?

Change the orientation in your OS Display Settings and ensure your stand supports physical rotation. Use vDisplay Manager for automatic switching. 1. Physical Adjustment: Tilt the screen back and raise the stand to its maximum height before rotating 90 degrees clockwise. 2. Windows 10/11 Setup: Right-click on the desktop and select [Di...

What to do when the screen image is pixelated or blurry?

Blurry images are typically caused by an incorrect resolution or scaling setting. Ensure your computer is set to the monitor's Native Resolution. Troubleshooting Steps: Set to Native Resolution: Windows: Right-click desktop > [Display settings] > [Display resolution]. Choose the one labeled (Recommended). macOS: Go to [System Sett...

How to fix ghosting, shadowing, or double images on the screen?

Image artifacts are typically caused by signal degradation or interference. Bypass any docking stations and use high-quality certified cables. Bypass Adapters/Docks: Remove any [Docking Stations] or [Video Splitters]. Connect the monitor directly to your PC to test the image quality. Upgrade Cable Quality: For long-distance connections...

What should I do if vertical or horizontal lines appear on my monitor?

Identify whether it is a "Hardware Failure" or a "Signal Issue." The quickest way is to open the monitor's OSD menu to isolate the cause. Perform the OSD Test (Crucial): Press the monitor buttons to bring up the built-in menu. Lines appear OVER the menu: This indicates a hardware/panel failure. Proceed to step 5. Lines are NOT on t...

How to set power lock and menu lock?

On some monitors, there is a power button lock that locks the power and power button in the ON position.  There is also a menu lock feature which can lock and unlock the OSD (On-Screen Display) Menu.  Power Lock: To lock the Power Button press and hold both the [1] button and the down arrow button for 10 seconds.  OSD Lock: ...