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 change refresh rate in windows 10?

Please refer to the video on how to change: https://www.youtube.com/watch?v=sAkbjPiLNcE

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

What to do when a black border coming on the image?

If the image doesn’t fit the screen, please do the following:   1.Check the applied resolution to make sure that they match the settings recommended in the user guide.     To check the resolution in Windows:     (1)Settings > Display > Click on the display that user wants to change the setting         (2)Change the display resolution for ...

What to do if there is vertical or horizontal line on my monitor?

1.If the line location is not fixed, please check and adjust firstly by following below methods:   (1) Check the video cables and/or another video input. Make sure the cable is securely connected and if possible, change the cable.   (2) Use another power outlet.   (3) Connect the monitor to another computer.   2. If the line location is...

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 ...

Why Auto Image Adjust function is gray out in monitor OSD?

When using a monitor in the digital (HDMI, DisplayPort) connection, Auto Image Adjust and Manual Image Adjust settings may be disabled. This is normal as the monitor will adjust itself when in the digital mode.

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 do color calibration with my monitor?

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

Why is there high pitched noise from my monitor?

In normal operating conditions, there might be normal electric current sound came monitor which should not impact on your usage.   If this did not occur in the past but appeared recently, please contact ViewSonic service center.

Contact Us

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