The computer works with a different TV (Panasonic) via the HDMI cable. It recognizes it is a Samsung TV and the resolution. Details and stuff I tried to fix it/isolate the probelm: 1. Now, wait for a few minutes before turning it on. It says 'No Signal' on the TV screen on both HDMI inputs. Try unplugging then plugging the power cable of the TV or monitor. Now you can continue making use of your device. At the end of the update, the Roku device will restart by itself. Once Roku has released a new update, you’ll be able to see the notification here. Update the chipset drivers and graphics drivers. To do this, navigate to settings, scroll to the about information and click the software version. To power cycle the monitor you just need to disconnect the HDMI cables and turn off the power. How to Fix HDMI No Signal Issue Switch the Input source. This process is an act of recovering the electronics device from the state of unresponsiveness by resetting all the configuration parameters. Furthermore, you must note that DVI is capable of transmitting only video signals and for audio, you still need to use audio ports. The reason is that your new device might be updated to the latest firmware and a proper handshake is not achieved between older and newer ports. Chances of in-compatibility of these cables are high when we try to connect an older output device to a new input device or vice-versa. Most of us use converter cables to convert the DVI signals to HDMI or vice-versa. Open the 'display settings' in your computer and activate output to the TV screen. For better picture quality, you should connect the computer to the TV using standard VGA ports or via the DVI to HDMI cable provided your TV supports these ports. If that is the case, you can open your dish-TV settings and set it to factory-reset to regain the display. Try a Different HDMI Input: With your remote, switch to another input on the TV and then switch back to HDMI to see if the signal locks correctly. First you need a video cable for making the physically connection. Sometimes, you do not get display on a TV set after firmware or software update on the DISH-TV receiver/set-top box. You can open the menu on the monitor and look for factory reset settings. You may not be displaying the right channel to which your cable is connected to, simply remove the cable and try another HDMI/TV port. Not all but most of the electronics devices provide the option to factory reset them This is handy in case something goes wrong and allows you to roll back to the original settings.
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