Samsung NC221 User Manual download pdf (Page 102)

102

Troubleshooting Guide

10 Troubleshooting Guide

Not Optimum Mode is displayed. 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 109).

The images on the screen look distorted. Check the cable connection to the product (Refer

to "3.2 Connecting and Using a PC")

The screen is not clear. The screen is blurry. Adjust Coarse(page 82) and Fine(page 83).

Remove any accessories (video extension cable,

etc.) and try again.

Set the resolution and frequency to the

recommended level. (Refer to "11.1 General")

The screen appears unstable and shaky. 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 109) in this

manual and the INFORMATION menu on the

product.

There are shadows or ghost images left on the

screen.

The screen is too bright. The screen is too dark. Adjust Brightness(page 78) and Contrast(page

79).

Screen color is inconsistent. Change the COLOR settings. (Refer to "

Configuring Tint")

The colors on the screen have a shadow and are

distorted.

Change the COLOR settings.

(Refer to " Configuring Tint")

White does not really look white. Change the COLOR settings.

(Refer to " Configuring Tint")

There is no image on the screen and the power

LED blinks every 0.5 to 1 second.

The product is operating in power-saving mode.

Press any key on the keyboard or move the

mouse to return to normal operating mode.

Source device issue

A beeping sound is heard when my PC is booting. If a beeping sound is heard when your PC is

booting, have your PC serviced.

Screen issue

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Samsung NC221 User Manual Page 102

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