HP LD4245tm 41.92-inch Interactive LED Digital Signage Display User Manual
Page 75
No image is displayed.
Cause
Solution
HDMI/DisplayPort : 1920 x 1080 @ 60 Hz
Does the 'Check signal cable' message appear?
The signal cable between computer and product is not
connected. Check the signal cable.
Press the INPUT menu in the remote control to check the
input signal.
'Unknown Product' message appears when the product is connected.
Cause
Solution
Did you install the driver?
See if the plug & play function is supported by referring to the
video card user manual.
The screen image looks abnormal.
Cause
Solution
Is the screen position wrong?
D-Sub analog signal - Press the AUTO button on the remote
control to automatically select the optimal screen status for
the current mode. If adjustment is not satisfactory, use the
Position OSD menu.
See if the video card resolution and frequency are supported
by the product. If the frequency is out of range, set to the
recommended resolution in the Control Panel Display Setting
menu.
Do thin lines appear on the background screen?
D-Sub analog signal - Press the AUTO button in the remote
control to automatically select an optimal screen status that
fits into the current mode. If adjustment is not satisfactory,
use the Clock OSD menu.
Horizontal noise appears or the characters look blurred.
D-Sub analog signal - Press the AUTO button in the remote
control to automatically select an optimal screen status that
fits into the current mode. If adjustment is not satisfactory,
use the Phase OSD menu.
The screen is displayed abnormally.
The proper input signal is not connected to the signal port.
Connect the signal cable that matches with the source input
signal.
After-image appears on the product.
Cause
Solution
After-image appears when the product is turned off.
If you use a fixed image for a long time, the pixels may
become damaged. Use the screen-saver function.
When a dark image is displayed on the screen after an
image with high contrast (black and white or gray), this may
cause image sticking. This is normal for LCD screen.
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