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 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 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...

How to setup dual monitors on a computer?

Dual monitor setup is simple to configure on modern computers. Windows will automatically detect and configure the displays. Requirement:   1. Windows 7 or later. 2. A PC or laptop with at least 2 video out ports.  3. 2 monitors.   After connected 2 monitors to 2 video out ports, Windows will automatically load the drivers and present a...

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 enable AMD FreeSync?

To use AMD Freesync, there're some requirement with graphics cards, graphics drivers and certified monitors. 1. A compatible GPU with a DisplayPort connection. Compatible GPUs include all AMD Radeon™ graphics cards beginning with Radeon™ HD 7000 Series, released in 2012, and all newer Radeon consumer graphics products.Other GPUs, such ...

Why can't I choose Contrast or Brightness?

ViewSonic develops several preset modes (ViewMode) such as Game/Movie, etc. These presets are specifically designed to deliver an optimized viewing experience for different screen applications.   Under specific preset modes, some settings are fixed and cannot be adjusted. Please set to “Standard” mode if you want to adjust.

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 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 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...

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