Samsung QB43B - Screen Display Troubleshooting Details; Image Quality and Stability Issues; Brightness, Color, and Image Retention Issues; No Image and Auto Power-Off Issues

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Screen issue
The images on the screen look distorted. Check the cable connection to the product.
The screen is not clear. The screen is blurry. Set the resolution and frequency to the recommended level.
The screen appears unstable and shaky. 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 'Preset
Timing Modes'.
There are shadows or ghost images left on the screen.
The screen is too bright. The screen is too dark.
Go to MenuPicture and adjust the Brightness and Contrast settings.
Screen color is inconsistent. Go to MenuPictureAdvanced Settings and adjust the Color Space Settings settings.
White does not really look white. Go to MenuPictureAdvanced Settings and adjust the White Balance settings.
There is no image on the screen and the power indicator
blinks every 0.5 to 1 second.
The display is turned off to save energy.
Press any key on the keyboard or move the mouse to return to the previous screen.
The product will turn off automatically.
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 after
10 to 15 minutes.
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 one-meter radius may cause static on analog and digital
products.
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The power indicator may not be
supported depending on the
model.