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 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...

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 ...

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...

Where to download ViewSonic monitor drivers for Win7 64-bits?

Please download the attachment and manually install the drivers under Win7 x64. File URL:https://support.viewsonic.com/helpdesk/attachments/33058629684

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...

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...

Why does image persistence occur with my LCD monitor?

Image persistence (or image retention) is a result of a stationary image being displayed for a long period of time.    <Correction>   Turn off the screen for hours.   <Prevention>   1. Set the display to turn off after a few minutes of system idle under ”Power & Sleep “ (Win10) or “Battery” (Macbook).      2. Turn off the monitor when ...

How to solve the overscan problem with my monitor?

If the image does not fill the screen of the monitor or if it looks like the image is slightly too big for the monitor, try below suggestion.   1.Adjust setting on the PC/laptop:   (1)Set native resolution of monitor in your PC/laptop's Display settings.   (2)Change Scaling in Display settings.   Use the graphic card software to change ...

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 ...