Check whether your computer has two video outputs
Check whether your monitors have matching input ports
Use the correct cables for each monitor
Connect the first monitor to the computer
Connect the second monitor to the computer
Turn on both monitors
Turn on the computer
Open display settings on your computer
Detect the monitors if they do not appear automatically
Choose Extend display mode
Arrange the monitor positions to match their physical placement
Set the preferred main display
Adjust resolution and refresh rate for each monitor
Save the display settings
Update graphics drivers if the monitors are not working properly