Lenovo 4428-AB1 manual Power on the monitor and the computer

2.Connect the analog signal cable to the video port on the back of the computer. Note: One end of the signal cable is already pre-attached to your monitor.

3.Insert the power cord into the monitor, then plug the monitor power cord and the computer cord into grounded electrical outlets.

4.Power on the monitor and the computer.

1-4Flat Panel Monitor User ’sGuide