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My tv turns off without notice and wont tun back on. I have to unplug it and wait a while then plug it back in and maybe it works for about 20-30 minutes. It is a Samsung 40" LCD 720p
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I'd unplug/disconnect the Roku and after 30 seconds try the control button on the back. If you can change the input do so, then plug the Roku back in. Until you use the input button on the back to change input to Roku, you should be able to use the other buttons on the back to control the TV. If this does not work, unplug both the TV and the Roku. Wait maybe a minute, then plug the TV back in and follow the above instructions. Here are other alternatives: Using physical buttons: You can find the physical buttons on the left or right back side of the Hitachi TV. Using these keys, you can change the input, adjust the volume, or turn on Hitachi TV without a remote. Press the Input button located at the back or side of the Hitachi TV. The list of connected sources will appear on the TV screen12.
Using external devices: Connect a wireless keyboard or mouse to your Hitachi TV and change the input1.
Buy a universal remote: You can buy a universal remote to control your Hitachi TV and change the source.
Hi there. I would advise you to unplug your tv from the wall. Wait approximately 5 minutes. Hold down the power button on the tv for 15 seconds without the tv plugged in. This is what they call power cycling. If plugging back in the tv does not work; you might have a power board issue. A typical power board/circuit board repair runs from $25 to $125.
1.Check the device's battery level for at least two bars of strength. 2.If the battery level is low, charge the battery. 3.If the issue is not resolved, remove the back cover. 4.Remove the battery. 5.Wait 10 seconds. 6.Press and hold the W key. 7.While pressing down the W key, re-insert the battery. •The device restarts and after approximately 15 seconds, the 'Recovery' screen appears •Release the power button but *continue holding the home button*, for another 30 seconds. Step Thanks
I only have two solutions. Either, turn the tv on from the tv. or try checking the tv connection. If that doesnt work maybe the remote is out of battery.
Use a hair dryer on the back right side of unit. Humidity sensor may be causing the unit to stay off. The hair dryer may also remove dust causing a false humidity detection
Unplug the printer. Wait 1 minute then plug it back in. I have noticed this problem with several in a office i support. Quick power surges cause that problem
Perhaps you can try what I do when my KV24FV300 runs through channels and will not stop. Hard to watch and remote will not work. Nothing works but on and off from set.
Sony Says: Take all batteries out of ALL remotes that you use in any way for that set, VCR, etc. ALL batteries out. Turn TV off at set. Unplug TV. Wait at least 15 minutes then replace all batteries in ALL remotes. Plug TV back in and turn TV on from set.
Maybe, just maybe it will work. If it does not work why not call Sony, they always say that cannot happen but they have a solution for it.
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