Check your computer’s video ports
Check your monitors’ input ports
Make sure your computer supports two displays
Connect the first monitor to the computer
Connect the second monitor to the computer
Use the correct cables or adapters
Turn on both monitors
Turn on the computer
Open display settings on your computer
Detect both monitors if needed
Choose extend, duplicate, or second screen only
Arrange the monitor positions in settings
Set the preferred main display
Adjust resolution and refresh rate for each monitor
Save the display settings
Test both monitors to confirm they work