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 if there is flickering image with my monitor?

Check the monitor: Please do memory recall. Please refer to this FAQ Check device setting: Please check and set to recommended refresh rate.  You can refer to this video. https://www.youtube.com/watch?v=sAkbjPiLNcE   If possible, please connect monitor to another device with different input.   If above doesn’t help, please contact ViewSo...

Why is my monitor emitting a high-pitched noise or buzzing sound?

Slight electronic humming is often normal (Coil Whine); however, persistent or loud noise may require environmental troubleshooting or technical support. Check Power Source: Plug the monitor directly into a wall outlet instead of a power strip to rule out electrical interference from other devices. Adjust Brightness: Try changing the b...

Does ViewSonic provide Linux drivers for monitors?

No dedicated driver is required. ViewSonic monitors follow VESA standards, allowing Linux to automatically recognize the display via EDID. Plug and Play: Simply connect your monitor; the Linux kernel will automatically detect the hardware. Adjust Display Settings: Navigate to your distribution's [Settings] > [Displays] to configur...

How to set maximum resolution for my monitor?

Please refer to this FAQ section 1 and set to recommended display resolution.

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...

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 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: ...

How to restore the monitor to factory default settings?

Use the "Memory Recall" or "All Reset" option within the monitor's OSD menu to revert all adjustments to their original state. Open the OSD Main Menu: Front Buttons: Press the button labeled [1] or [Menu]. Rear/Side Buttons: Press the designated menu button (refer to the icons on the bezel). Joystick Control: Press the center of...

What should I do if vertical or horizontal lines appear on my monitor?

Identify whether it is a "Hardware Failure" or a "Signal Issue." The quickest way is to open the monitor's OSD menu to isolate the cause. Perform the OSD Test (Crucial): Press the monitor buttons to bring up the built-in menu. Lines appear OVER the menu: This indicates a hardware/panel failure. Proceed to step 5. Lines are NOT on t...