LED MonitorSupport - ViewSonic Mongolia

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 enable AMD FreeSync?

LED monitors produced after 2020 have FreeSync enabled by default. For LED monitors manufactured before 2020, please refer to the following instructions to enable 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. ...

How to output video at 120 Hz from PS5 or Xbox Series X/S to ViewSonic monitors.

PlayStation 5 and Xbox Series X/S consoles support video output up to 120 Hz. Follow the instructions below to configure 120 Hz output. <PlayStation 5> 1. Open "Settings". 2. Select "Screen and Video". 3. Select "Enable 120 Hz Output" under "Video Output". 4. Select "Automatic" in the pop-up menu. 5. Return...

Why can't I choose Contrast or Brightness?

Certain preset modes (ViewMode) are factory-calibrated for specific visual tasks and will lock parameters to maintain optimal performance. Switch to [Standard] mode to regain manual control. Step-by-Step Instructions: Press the [Menu] button (located on the back or bottom of the monitor) to open the OSD menu. Navigate to the [ViewMode...

What to do when there is no display on my monitor?

Check the power LED first. If the LED is on but there's no image, the issue is likely related to the input signal or cable connection rather than power. Troubleshooting Steps: 1. Check the Power LED Status LED is OFF: Ensure the power cable is firmly seated and the physical power switch (if available) is turned on. Try a different wall out...

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...

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...

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...

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...

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...