Samsung WM55H User Manual page 41

PIP screen (HDMI) issue
White does not really look white.
The product will turn off automatically.
The screen display does not look normal.
The brightness and color do not look normal.
The display looks unstable and then freezes.
The screen cannot be displayed in full screen.
Go to Picture and adjust the White Balance
Make sure the power cable is connected properly to the product and power outlet.
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.
From the menu, select Support → Reset All
The screen may freeze when a resolution other than the recommended resolution is used or
if the signal is not stable. To resolve the issue, change the PC resolution to the recommended
resolution.
If the PIP window is set to the full screen mode when the product is in portrait orientation, a
black bar appears at both the top and bottom.
Change the product to landscape orientation, and then try switching the PIP window to the
full screen mode.
settings.
to try resetting the screen.
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