Troubleshooting guide

15
Warning Messages and Troubleshooting
Warning Messages
When a warning message appears on the screen, check the following items to locate
the problem affecting your LCD display.
NO SIGNAL INPUT When no input signal is detected from any input ports.
• Check if your PC or video source is ON.
• Check if the signal cable is correctly connected.
• Check if any pin inside the connector is twisted or broken.
NO VIDEO SIGNAL FROM
ANALOG INPUT
No signal is detected from ANALOG port.
• Check if your PC is ON.
• Check if the D-Sub 15-pin cable is correctly connected to the
ANALOG port at the back of your LCD display.
• Check if the D-Sub 15-pin cable is correctly connected to
your PC.
• Check if any pin inside the D-Sub 15-pin cable connector is
twisted or broken.
NO VIDEO SIGNAL FROM
DIGITAL INPUT
No signal is detected from DIGITAL port.
• Check if your PC is ON.
• Check if the DVI cable is correctly connected to the DIGITAL
port at the back of your LCD display.
• Check if the DVI cable is correctly connected to your PC.
• Check if any pin inside the DVI cable is twisted or broken.
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