No video (PC mode) • Check if the cable is connected to the VGA port
correctly or if the cable is bent.
Vertical line blinking
(PC Mode)
• Enter the main menu and adjust the vertical
placement to eliminate the vertical line.
Horizontal tearing
(PC Mode)
• Adjust the horizontal placement of the screen to
clear any horizontal lines.
Screen is too bright
or dark (PC Mode)
• Adjust the brightness or contrast in the main
menu.
No response from
the PC
• Check if the PC’s display resolution is set to a
compatible resolution with the TV.
Lines appear when a
device is connected
to the RCA port
• Make sure you are using a good quality cable.
Problems are unre-
solved
• Unplug the power cable, wait for 30 seconds and
then reconnect it to the socket. If the problems
persist, do not attempt to repair the TV by your-
self, but contact the Customer Support Service.
Do not leave your TV displaying a static image,
whether it is from a paused video, menu screen,
etc. for an extended period of time, as doing so will
damage the display and may cause image burn-in.
48
K5128X22F User manual.indb 48K5128X22F User manual.indb 48 2020. 02. 12. 15:57:492020. 02. 12. 15:57:49
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