Samsung S20D300NH User Manual page 59

9
Troubleshooting Guide
Screen issue
The power LED is off. The screen will not switch
on.
The message Check Signal Cable
Not Optimum Mode
The images on the screen look distorted.
The screen is not clear. The screen is blurry.
The screen appears unstable and shaky.
There are shadows or ghost images left on the
screen.
The screen is too bright. The screen is too dark.
Screen color is inconsistent.
The colors on the screen have a shadow and are
distorted.
White does not really look white.
There is no image on the screen and the power
LED blinks every 0.5 to 1 second.
Issues
appears.
is displayed.
Solutions
Check that the power cable is connected
properly.
(Refer to "2.2 Connecting and Using a PC")
Check that the cable is properly connected to the
product.
(Refer to "2.2 Connecting and Using a PC")
Check that the device connected to the product is
powered on.
This message appears when the signal from the
graphics card exceeds the maximum resolution or
frequency for the product.
Change the maximum resolution and frequency to
suit the product performance, referring to
Standard Signal Mode Table (page 65).
Check the cable connection to the product.
(Refer to "2.2 Connecting and Using a PC")
Adjust Coarse and Fine.
Remove any accessories (video extension cable,
etc.) and try again.
Set the resolution and frequency to the
recommended level.
Check that the resolution and frequency for the
PC are within the range of resolution and
frequency compatible with the product.
Next, if required, change the settings, referring to
Standard Signal Mode Table (page 65) in this
manual and the INFORMATION
product.
Adjust Brightness and Contrast.
Change the COLOR settings.
Change the COLOR settings.
Change the COLOR settings.
The product is operating in power-saving mode.
Press any key on the keyboard or move the
mouse to return to normal operating mode.
9 Troubleshooting Guide
menu on the
59