Samsung LH43PMFPBGC/EN, LH49PMFPBGC/EN Troubleshooting, The screen appears unstable and shaky

Chapter 6. Troubleshooting

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The screen appears unstable and shaky.

There are shadows or ghost images left on the screen.

Check that the resolution and frequency of the PC and graphics card are set within a range compatible with the product. Then, change the screen settings if required by referring to the Additional Information on the product menu and the Standard Signal Mode Table.

The screen is too bright. The screen is too dark.	Adjust Brightness and Contrast.
Screen color is inconsistent.	Go to Picture and adjust the Color Space settings.
White does not really look white.	Go to Picture and adjust the White Balance settings.
There is no image on the screen and the power LED	The product is in power saving mode.
blinks every 0.5 to 1 second.
	Press any key on the keyboard or move the mouse to return to the previous screen.
The product will turn off automatically.	Go to System and make sure Sleep Timer is set to Off.
	If a PC is connected to the product, check the power status of the PC.
	Make sure the power cable is connected properly to the product and power outlet.
	If the signal from a connected device is not detected, the product automatically turns off after10 to 15 minutes.
Picture quality of the product is different from the dealer	Use an HDMI cable to obtain high-definition (HD) picture quality.
shop where it was purchased.
The screen display does not look normal.	Encoded video content may cause the display to appear corrupted in scenes featuring fast moving objects such as in
	a sports event or action video.
	Low signal level or low picture quality may cause the display to appear corrupted. This does not mean the product is
	defective.
	A cell phone within a distance of 3.3 ft radius may cause static on analogue and digital products.
The brightness and color do not look normal.	Go to Picture and adjust the screen settings such as Picture Mode, Color, Brightness and Sharpness.
	Go to System and adjust the Energy Saving Mode settings.
	Reset the screen settings to the default settings.
Broken lines are displayed on the edges of the screen.	If Picture Size is set to Fit to Screen, change the setting to 16:9 Standard.
Lines (red, green or blue) are displayed on the screen.	These lines are displayed when there is a defect in DATA SOURCE DRIVER IC on the monitor.
	Contact a Samsung Service Center to resolve the issue.