Hisense Roku TV Not Turning On. There are many reasons why your Hisense Roku TV won’t turn on. It may be caused by a power surge, a dead battery, or a failed power supply. It could also be a software issue or a hardware problem. Before you try to fix the problem, you need to determine the cause. 1. TVs Are Much Larger. Monitors Are Made For Interactivity. TVs Are Made For Tuning Into TV. Televisions and computer monitors are similar and use mostly the same technology to drive the panels. You can usually use a TV with your computer, but they're made for a different market and aren't the same as monitors. Press the Win+I buttons together to open Windows Settings. Click on the Display option. On the next page, under Scale & layout, click on the Mulitple displays option. Here, you need to check if the “ Connect to a wireless display ” option is available or not. If yes, then your PC supports screen casting. 4. Press and hold the power button for 10-30 seconds, this will drain all residual power from your TV. Now, reconnect the TV to the power source and try turning it on. If this doesn’t work, you can Re: My Roku remote will not pair to my sharp tv. This fixed mine! Thank you! I have a Sharp TV. Not a roku sharp tv. Just a plain sharp tv. It’s like 3 or 4 years old. I bought roku streaming stick plus and the remote won’t pair to control volume and power. It tries multiple codes but then says it can’t pair to sharp tv. Restart your device. Fully shut down your computer, phone, or streaming device and restart it. Depending on the device, you may need to unplug it from power to restart it fully. After it powers back up, connect to the internet and check to see if YouTube TV works. Power supply issues One of the most common causes of black screens on Sharp TVs is a problem with the power supply. This can be caused by a number of different factors, such as a blown fuse, a malfunctioning power supply, or a problem with the electrical outlet. To troubleshoot this issue, check to make sure that the TV is properly plugged in Troubleshooting Steps. If your Sharp TV is displaying blue light but no picture, there are a few troubleshooting steps you can take. First and foremost, try to power cycle the TV by unplugging it from the wall for at least one minute. Plug it back in and switch it on – this could resolve any minor issues that were causing the problem. If you find video streaming on YouTube TV is not working, try the troubleshooting tips in this article. Keep in mind: If you're having trouble using YouTube TV on a Chromecast, check out the Chromecast Help Center. If you continue to experience issues, get in touch with YouTube TV support for help with resolving the issue. On a mobile device Yes, I have tried all the XR15 codes. i think i might try the other remotes like the XR11 remote codes to see. I have just drilled down to the Sharp tv so will give them a shot as well. I also dont have Voice Command working so this XR15 is a bust for me so far. 0. frCZSm.