We have 1 Samsung smart tv 32 inch manual available for free PDF download: E-Manual Samsung smart tv 32 inch E-Manual (179 pages) User Manual Ver.1.0 (English)
Disconnect and re-connect the video cable/HDMI to check if the issue is resolved. Play any multimedia file through USB. Check whether the lines are still visible on the TV screen. Case 1 :- If Yes, please get in touch with our Samsung customer care for further assistance. Case 2:- If lines are not visible through USB then check the connectedSolution 5: Update the Firmware of your TV. Updating the software of your Samsung Smart TV will not only get the most out of your TV but also help you solve most of the TV’s issues. The black screen issue on your TV screen is one of the problems that is probably solved by updating the firmware of your TV.
If there's no indicator light displaying, check the power switch, check the power cord, and test the outlet. Unfortunately, this basic troubleshooting is the only way to try to fix the issue yourself. If this doesn't help the monitor turn on, then it will need service. Lines on the Samsung monitor. No audio or poor sound quality from Samsung