The HDMI connection from the cable box to the TV is the cause of a pink/purple screen. I purchased a TCL Roku TV at Costco the weekend of September 3, 2016. There is an option to set the TV up without Roku features as a non-smart TV / Monitor. A TV’s black uniformity refers to how evenly a TV can display black all across the screen. Cables may not … How To Fix A Blinking Or Flickering TV – TURN TV OFF TO RESET Read More » Whether the light is on, off, or blinking indicates the current status of the TV. Turning Off the Roku Features of Your TCL Smart TV . A blinking or flickering television can occur randomly. LED TV flashing: sharp powers on but only shows a part of the sharp logo and color vertical lines: Cox cable box shows 2d display: Sharp TV Problem - Display not working: There is no picture in display. A flickering TV that blinks can sometimes be fixed by simply turning the TV off and back on. Here's a few things you could try, first unplug the power cord and then press and hold down the power button on the set for a good 30-60 seconds.You can also try having the set plugged in and pressing/holding the TV's power button down for the same amount of time.Otherwise try unplugging the set for a few hrs and then see what it does.It could be that you've a faulty set. This dimming TV screen effect can seem like a strobe light and show flashes of black. Sharp Aquos TV 70" powers up but screen won't display - LC-70LE733U - 2012 from Costco The only way I have been able to ‘repair’ these faults without replacing faulty t-cons was by opening up a screen and applying some push and pull force to the ribbon cables to see if it helped. All TCL televisions have status lights on the bottom-middle of the bezel. But the power is getting on and off. What I don't know is if setting it up this way will disable network functionality and prevent the blinking light that is … A component attached to the TV could be at fault. It reboots frequently while streaming anything like Netflix. The blinking idicates the TV is receiving a signal from the remote. It has been a disappointment. This can be fixed by following these steps: Step 1: Make sure both sides of the HDMI cable are plugged in as firmly. Step 2: Power-cycle the All-Digital unit by removing the power cord from the unit or from the wall. Wait ten seconds, then reconnect the power cord. It’s important when watching dark scenes in a dark room, and while most people shouldn’t notice black uniformity issues like flashlighting and clouding, they can … If your television suffers from a distorted picture, weird colors, or the dreaded "soap opera effect," these simple fixes can help improve your picture. The TCL Roku TV is a smart TV with a simple, intuitive interface and built-in ability to watch live TV with an antenna, access connected devices like a cable set-top box or game console, and stream content over the internet through different streaming channels (more popularly referred to as apps) that can be added via the Roku Channel Store. Try pressing a button on the remote. I just have to run some tests on the snow issue to see if I have a defective unit or not. Easy Fixes for Common TV Problems. Color - 30 Color temp - warm Action Smoothing - off Natural Cinema - on (toggle this on and off to see if it makes a difference) LED Motion clarity - off Game mode - off For me the above settings are the best on TCL 6 series TV's. The status light should blink every time you use the remote. See link below. Does the light blink? "The TCL 6-Series is a wildly good TV that's poised to win over casual viewers and AV enthusiasts alike." 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