Determine where the lines are visible.
Check whether the lines appear on:
- The Home screen
- The Settings menu
- Built-in apps
- HDMI-connected devices (such as gaming consoles or TV boxes)
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My PRISM+ TV Has Lines on the Screen
If your PRISM+ TV is displaying horizontal lines, vertical lines, or coloured lines, the issue may be caused by the TV itself or by a connected device.
Follow the troubleshooting steps below to identify the source of the issue before contacting PRISM+ Customer Support.
Steps
- 1
- 2
A temporary software issue may cause display abnormalities.
- Turn off the TV.
- Unplug the power cable from the wall outlet.
- Wait 30 seconds.
- Plug the TV back in.
- Turn the TV on again.
Check if the lines are still visible.
- 3
If the lines only appear when using an external device:
- Disconnect the HDMI cable.
- Reconnect the cable securely.
- Test another HDMI port on the TV (if available).
- Check whether the issue persists with another connected device.
- 4
After completing the steps above:
If the lines no longer appear, the issue has been resolved.
If the lines remain visible on all screens, further assistance may be required.
After completing the steps above:
- If the lines no longer appear, the issue has been resolved.
- If the lines remain visible on all screens, further assistance may be required.
Common Symptoms
| Symptom | Possible Cause |
| Lines appear on every screen | TV display issue |
| Lines only appear on one HDMI source | Connected device or HDMI connection |
| Lines disappear after restarting | Temporary software issue |
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