How to Fix Picture and Sound Quality TCL Smart TV. SOL. I do think the problem started with the TCL software update I have read about a few months ago. See if that resolved it since a bad cable box can sometimes cause a dark screen as well. Mine had 1 little screw on each strip, then each slid out easily. Step 2: Watch for warning signsThe fluorescent bulb in your LCD TV dims over time. TCL support really wasn’t any help. CNET loves the TCL line and TCL is actually the second largest producer of flat screen TV's in the world. Televisions made by the Chinese multinational electronics company, TCL. I can hear the clicking of the remote as chick the various buttons. TCL Roku TVs offer endless entertainment and stunning picture. And I'm quite capable of replacing the board but don't care to spend the money unless I know for sure that's the problem. Did you get your tv to work? 06/08/2020 by If that doesn't work, the issue is likely with the TV's lamp.Step 4: Investigate your picture failureFor DLP TVs, picture loss can involve lamp failure. TCL customer service walked me through the solution. Other 3 came up/out with, slow prying. Unplug the tv from the power receptacle, wait 15sec and plug it back in. The on light is lit just below the screen, but screen shows nothing, no start screen, just appears to be off, but for the shining white on light below screen. Mya Sings-Stuff, TCL repairman came and replaced parts when my tv suddenly went dark for no reason, new parts didn't work either, TCL ended up sending me a check for my tv since it was still under 1st year warranty. Unplug your TV, unplug all devices that are plugged into your TV and then hold the power button down for about a minute or so. If the panel cracks, the tv is trash. If it is high voltage (>220V DC) it most probably is in the LED strips. Black screen. Threw my hands up and purchased a 65 LG at the AAFES exchange with discounted 4 year warranty for 50 stones. I've tried LITERALLY everything else mentioned here and elsewhere online. How do I know whether its the LCD strips or the power board. Just turning it off does not reset everything. Did you use the little plungers to lift the glass or can this be done easily with two people? Wait about 10 seconds before you reconnect the receiver, then restore power to it and your TV. I can hear all the noises he tv makes. It has a built-in protection that shuts the LEDs off if it senses problems. Luckily I was able to get my full refund since my TV messed up only 8 months later I bought another one at the same time in my husband's mamcave that one is still going I am sure it will mess up soon hopefully within warranty, got me a Samsung. Go slow and don't pull too hard on anything; except maybe the feet posts. The Roku home screen did work, however, and we were able to watch Netflix. TCL TVs offer good picture quality and great features at a low price. With the Roku OS built-in, these Smart TVs integrate the latest technology and features to provide you with an exceptional viewing experience, including the most streaming channels of any smart TV.. Then all of a sudden, one day he must have accidentally hit an "off" switch, and then no picture. In some situations, it may actually be on, but just showing you a black screen. Sergio Rangel. How to Fix Distorted or No Picture on a TCL Smart TV. TCL support is useless. 12/14/2020 by The time to fully be ready upon power-on takes my set about 1.5min. Sorry about the vague answer but as a DIY repair, testing the power board and the power to the LED strips is the only way to move forward on this. How to Fix a TV That Won't Turn On: Modern flat screen TV's have a known problem with capacitors going bad. Turn on the TV and reconnect the power source to the Chromecast device but do not put the Chromecast into the TV HDMI port. (This did not fix the problem for me. It seems to me that TCL or Roku introduced some software/firmware bugs in an update recently. I think the residential warranty is 6 mos? When you see a light turn on above the icon, that's a sure indication that your backlight lamp's days are numbered. My Hisense 55 inch tv turns on but no picture or sound. Questions...1. 10/24/2020 by I went researching on youtube. I bought the TV in April 2019 from Walmart so it is over a year and out of warranty. Mine was doing the same thing and I found a “reset" button on the TV after switching HDMI cables around and trying several different things. It was working great until mid-May when he had the same issue everyone is describing in this forum: no picture (black screen), but the sound works when on HDMI1 (connected to the cable box). If your LCD or LED TV won't turn on, or makes repeated clicking sounds, there is a very good chance that you can save hundreds of dollars doing this simple repair yourself.I k… If not, then it's likely the backlight bulb. I took a chance this was it for the cost. If you have a TCL TV there's not much information on them out there. Also, I visited CHINA a year ago and the TCL brand is everywhere. https://youtu.be/I32MBlbRWMs - video to show LED strip repairs. Step 3: Reboot your receiverIf your picture does quit, first make sure that it's not just your receiver acting up. Founded over 30 years ago, TCL prides itself on delivering more to consumers with high quality products featuring stylish design and … :/ maybe it will for someone else, 08/02/2020 by Worked fine last night and today there's no screen. Plug the Chromecast device into an HDMI port on the TV. Through the menu button and the unit may not work the same results as bought. 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