Eizo FlexScan M1900 manual 27

Problems Possible cause and remedy

7.The screen is too bright or too dark.• Adjust <Brightness>. (The LCD monitor backlight has a fixed life span. When the screen becomes dark or begins to flicker, contact your local dealer.)

8. Afterimages appear.	•	Use a screen saver or off timer function for a long-time
		image display.
	•	Afterimages are particular to LCD monitors. Avoid
		displaying the same image for a long time.

9.Green/red/blue/white dots or defective dots remain • This is due to LCD panel characteristics and is not a

on the screen.		failure.
10. Interference patterns or fingerprints remain on the	•	Leave the monitor with a white screen. The symptom
screen.		may disappear.
11. The [Smoothing] icon on the Adjustment menu	•	<Smoothing> is disabled with a resolution of 1280 ×
[Screen] cannot be selected.		1024

12.The Main menu of Adjustment menu does not start. • Check for Adjustment Lock function.

•Check whether the FineContrast menu is running. (Refer to “Simple adjustment [FineContrast mode]” on page 15.)

13. The FineContrast menu does not start.		•	Check whether the Main menu of Adjustment menu is
			running. (Refer to “Advanced Adjustments [Adjustment
			menu]” on page 16.)
14. The	button does not function.	•	The	button does not function when digital signal is
			input.
		•	Check whether the buttons are lockd.
		•	This function works correctly when an image is fully
			displayed over the Windows or Macintosh display area.
			It does not work properly when an image is displayed
			only on a part of the screen (DOS prompt window, for
			example) or when a black background (wallpaper, etc.) is
			in use.
			This function does not work correctly with some graphics
			boards.
15. No audio.		•	Check whether the stereo mini-jack cable is connected
			properly.
		•	Check whether <Volume> is set to “0”.
		•	Check whether <Mute> is set to “On”.
		•	Check the settings of the PC and the audio software.

Chapter 4 Troubleshooting 25