How to remove dotted line on the edge of Samsung SyncMaster 3 Monitor screen?
- MMegan SellersSep 9, 2025
If the picture size is set to Screen Fit, change it to 16:9. You may also need to change the cable/Set top box resolution.

How to remove dotted line on the edge of Samsung SyncMaster 3 Monitor screen?
If the picture size is set to Screen Fit, change it to 16:9. You may also need to change the cable/Set top box resolution.
Why is the picture distorted on my Samsung Monitor?
Low signal level or compression of video contents may cause picture distortion. Mobile phones used close to the TV (up to 3.3 ft) may cause noise in picture on analog and digital TV.
Why Samsung SyncMaster 3 image doesn't look as good as in store?
If you have an analog Cable/Set top box, upgrade to a digital set top box. Use HDMI to deliver HD (high definition) picture quality. Cable/Satellite subscribers: Try HD stations from the channel line up. Air/Cable Antenna connection: Try HD stations after performing Auto program. Adjust the Cable / Set top box video output resolution to 1080i or 720p.
How to troubleshoot poor picture quality on Samsung SyncMaster 3?
First, perform the Picture Test to confirm that your TV is properly displaying the test image by going to MENU - Support - Self Diagnosis - Picture Test. If the test image is properly displayed, the poor picture may be caused by the source or signal.
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Setup guide for using the TV as a PC monitor, including software configuration.
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