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...

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 when no video by using HDMI port?

If you are experiencing problems using HDMI input, suggest do the followings:   Please check below on monitor:   Make sure the correct HDMI input is selected in OSD. Turn on the monitor first then PC.   Please check below on PC:    Test the monitor on a different computer with a HDMI port. Replace another HDMI cable. If...

How to restore the default settings of my monitor?

Please follow below steps:   Open OSD menu:               (1) For monitors with [1] and [2] buttons on the front panel, press the number “1” button on the                     monitor.               (2) For monitors with buttons behind the monitor, press the second button from the top.                (3) For monitors with a joystick...

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.

How to check graphics card drivers in Windows?

1.Under "Control Panel", open "Device Manager". 2. Find the Display adapters and double click on it then double click on the device shown: 3.Select Driver tab, this will list the Driver version.

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 ...

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: ...

Should I install Windows 10 drivers for my monitor?

ViewSonic plug and play monitors do not require a proprietary Windows 10 driver to be installed.   Instead, Windows 10 will automatically read the EDID information stored in the monitor and install Generic PNP Monitor drivers to enable its full resolution capabilities.   The only difference is you will see monitor model name in Device Manag...

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...