Sometimes you may experience blue screen when connected to any external devices using with video format which does not support to your samsung Television, it is because TV supports only videos formats between frequency of 60hz and 50 has refresh rates. When you connect you should read the capabilities and only reflections of the user formats that it supports the TV or not. Then you need to change video format on your external devices, for that you have to refer the external device user manual on how to change video format and you can also experience black screen with sound or lines on Samasung tv as well.
Follow bellow methods to fix samsung led tv blue screen or samsung entire screen is blue
The most common reason for a TV is that it displays a blue screen and the source device has not been set to proper mode. Follow the below steps to solve the blue screen problem.
Step 1: In case you are using a satellite set top box or coaxial cable then make sure that box is turned on and set to activate station.
Step 2: If set top box is connected to your TV using cable, then TV is set to channel 3 or 4 to receive the signal.
Step 3: If your video castle recorder(vcr) is turned on, still not tuned to receive channel then you can see a blue screen display on TV. IN order to resolve this, turn off the VCR.
Step 4: If you want to use vcr while connected to satellite set top box, then vcr should normally set to 3 or 4 to receive the signal.
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For example: if you connected your antenna to HDMI Port then it shows a blue screen or no signal message. Click on input or video button until it goes to another HDMI port shows a blue screen and you cannot find any other picture.
This can be due to bad hdmi port or corrupted hdmi cables or it can also be the issue of samsung led screen.