Why does my TV screen suddenly go dark?

Inputs setting problem: The black screen issue could be due to the inputs setting problem. Your TV might be set on a wrong input. Sleep timer/power saver mode: In cases where your TV randomly goes black, the issue could be due to the sleep timer or energy-saving mode being on.

Why is my TV screen black but I have volume?

Unplug the HDMI from one input and plug it to a different input to test if a port is bad. Replace the HDMI cable as it may have a short or another defect which causes the black screen issue. Unplug the TV for 5 minutes to attempt a reset. Unplugging the TV will reset the television and clear any temporary issues.

Why does my TV go dark for a few seconds?

There may be several reasons for the black screen – most often the problem is the failure of one of the power boards. Direct the home flashlight beam to the screen of the TV on – if you see an image, the problem is that one of the panels of the TV has failed. The next step is to check the cable and power connections.

Why is my TV picture going in and out?

If your TV picture is breaking up, cutting in and out, or pixelating (looks like everything is a bunch of squares), then you probably are experiencing a weak signal. Check all of the connections from the wall to your cable box and from the cable box to your TV to ensure that all connections are tight.

Why does my TV have a black shadow?

It is caused by weak signal strength and signal quality of connected device. You need to check the connected device. You can also check the connected cable and replace if caused by cable. Kindly adjust the picture settings from Menu or Home>Settings.

What causes backlight failure?

Backlight circuit failure can also occur from damage to the electrical traces on the circuit board. If the electrical traces buried in the board are inadvertently severed—for example, from trying to fasten the board with too large a screw—the backlight circuit will not conduct power to the backlight LEDs.

How much does it cost to fix a backlight on a TV?

Backlight repair cost TV backlight repair costs $100 to $125, including replacement parts and labor. You will pay more in trip fees to have the unit repaired at home. The price of backlight replacement parts averages around $2.50 for each LED and between $20 and $25 for each CCFL strip.