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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 proper Response Time with Viewsonic monitors?

Response time option can be selected under different View Mode. Viewmode => Standard => Response time => Standard / Advanced / Ultra fast  Viewmode => Game => Response time => Standard / Advanced / Ultra fast In both cases, while selecting the “Advanced” or even “Ultra fast”, it brings a very strong ghosting effect and blurry while scro...

How to do color calibration with my monitor?

Please refer to this FAQ, find "Calibrate your display" section and follow the instruction.

Why is the "Auto Image Adjust" function grayed out in the OSD menu?

This is a feature, not a bug. When using a digital connection (HDMI, DisplayPort, or USB-C), the monitor automatically locks onto the signal with pixel-perfect precision, rendering manual adjustments unnecessary. Detailed Explanation: Digital vs. Analog Signals: * Analog (VGA): These signals may require "Auto Image Adjust" to correct ima...

What to do if there is shadow or double image on screen?

This can be caused by a long cable or docking stations.   Longer cables may be prone to ghosting, lines, double images, or poor focus.  The improper shielding of the cables can cause a shadowing or ghosting effect also.    We recommend to check the video cable and, if possible, use HDMI Premium certificate cable for long distance connectio...

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 set landscape and portrait Mode?

Several ViewSonic LCD panels support both Landscape and Portrait modes.  If your LCD panel supports this feature, you can switch modes by turning the screen as shown in the diagram below. To change the image on the Windows Desktop, follow instructions below: Open the Start menu and click "Control Panel." Click "Adjust Screen Resolution"...

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...

Where to find serial number of the monitor?

The serial number can usually be found on the back or bottom of your product and is either 10 or 12 digits long. The serial number can also be found on the original box of the unit.

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Contact Us directly if you’re unable to get the answers and solutions for your ViewSonic products.