Guide - Samsung NC221 User Manual

10
Troubleshooting Guide
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.
A beeping sound is heard when my PC is booting. If a beeping sound is heard when your PC is
Screen issue
is displayed.
Source device issue
This message appears if 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 103).
Check the cable connection to the product (Refer
to "3.2 Connecting and Using a PC")
Adjust Coarse(page 76) and Fine(page 77).
Remove any accessories (video extension cable,
etc.) and try again.
Set the resolution and frequency to the
recommended level. (Refer to "11.1 General")
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 103) in this
manual and the INFORMATION
product.
Adjust Brightness(page 72) and Contrast(page
73).
Change the COLOR settings. (Refer to "
Configuring Tint")
Change the COLOR settings.
(Refer to " Configuring Tint")
Change the COLOR settings.
(Refer to " Configuring Tint")
The product is operating in power-saving mode.
Press any key on the keyboard or move the
mouse to return to normal operating mode.
booting, have your PC serviced.
10 Troubleshooting Guide
menu on the
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