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General Questions

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. ...
Tue, 7 Apr, 2026 at 4:03 PM
How to set the maximum resolution on your LED monitor?
Adjust the display resolution to the "Recommended" setting in Windows to ensure optimal clarity and eliminate black borders.   Adjust System R...
Tue, 7 Apr, 2026 at 3:18 PM
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...
Sun, 16 May, 2021 at 3:36 PM
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 in...
Sun, 24 Jan, 2021 at 11:27 AM
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 ca...
Mon, 20 Jul, 2020 at 12:00 PM
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 shie...
Sat, 15 May, 2021 at 8:13 PM
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 reflect...
Sun, 16 May, 2021 at 1:40 PM
Which Cable Do I Need For 144Hz?
To output:   1.1080p content at 144Hz, you will need either a dual-link DVI, a DisplayPort, or an HDMI 1.3 or higher cable.    2. 1440p at 144Hz, you wi...
Sun, 24 Jan, 2021 at 11:40 AM
Can I turn on 1ms MPRT and FreeSync at the same time?
MPRT and FreeSync are incompatible with each other because: MPRT will KEEP the refresh rate at a high and constant point. FreeSync will CHANGE the refres...
Sat, 15 May, 2021 at 8:17 PM
Should I install MacOS drivers for my monitor?
MacOS does not require monitor drivers when using a ViewSonic monitor. The MacOS will automatically read the EDID information stored in the monitor and use ...
Sun, 24 Jan, 2021 at 11:42 AM