How to set display to Duplicate/Extend mode when connect it to a laptop/PC?
1. Connect the monitor to your PC properly and power it on.
2. Right click the desktop and select Screen resolution (Win 7/8) or Display settings (Win 10).
3. Click the Multiple display drop-down list, select Extend these displays or Duplicate these displays.
Note: If you can’t see the additional monitor listed, please click Detect. If it doesn’t work. Restart your PC then try again
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