Samsung U28E590D User Manual page 86

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 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 92).
Check the cable connection to the product.
(Refer to "2.2 Connecting and Using a PC")
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 92) in this
manual and the Information
product.
Adjust Brightness (page 38) and
Contrast (page 39).
Change the Color settings.
(Refer to "3.5 Color")
Change the Color settings.
(Refer to "3.5 Color")
Change the Color settings.
(Refer to "3.5 Color")
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
86