Hi @gonzon06,. When I plug it it the screen blinks with just gray and goes back to dead. The power button on the TV won't turn it on and the remote doesn't turn it on and this Smart TV is only 3 or 4 months old. 2. If you do so you will erase all stored data and spend dozens of hours trying to reset convergence. Generally speaking, the smaller the 4K TV, the cheaper it will be. Page 13 Remote control (continued) HOW TO INSTALL BATTERIES 1. REPEAT - DO NOT HOLD THE BUTTON DOWN WHILE POWERING ON THE TV. My old neighbor left a note saying there was a way to turn it on. TV went off, and since then have not been able to get it back on. Now press and hold the “Setup” button; Enter the “9-9-1” (three-digit) code; Now hold down the “Power Button” on the remote then press the Channel up them until the device during this case your tv “Turns Off” The above method might take some additional time but … Remote control POWER Button - Press to turn the TV’s power on/off. After some research I found out (via manufacture) how to verify that my remote was working so that's not the problem (I think)!! Just replaced bulb: Hitachi light flashes on and off: Flashing blue power light Hitachi Plasma: My hitachi 42hxt12u tv won't switch on its flashing red and blue The TV needs a small amount of power so the remote sensor in the TV can pick up the infra red signal from the remote. My hitachi tv 32in wont turn on just keeps flashing blue tryed all the turning of and holding power button for 60 seconds stil: Hitachi ux21515 flashing blue light. Nothing!! Hitachi 43 Inch Full HD Smart LED TV (542/9033) This is the instruction manual for the Hitachi 43 Inch Full HD Smart LED TV. HOME Button (MHL) - Press this button to switch POWER to Roku (HDMI3 input) as the source input, or turn to the HOME menu of the Roku or other MHL device connected. The tv actually has no power button or remote control, there is just a hole where the power button used to be. Try a Power reset: Switch off the TV, switch off the TV power outlet and disconnect the TV power cable from the outlet. So, my TV won't turn on. IMPORTANT: DO NOT HOLD THE BUTTON DOWN WHILE POWERING ON THE TV! I have tired unplugging and replugging it. View the instruction manual Additional support available Buy it on argos.co.uk 2) Remove the front panel of the TV to access the button. It is a Hitachi 42". It does work sometimes but it eventually goes back to this state. Open the battery compartment cover. The smallest and cheapest Hitachi 4K TV available today, the Hitachi 43HK25T74U, has a panel size of … 1) Power on the TV. So I moved the TV into 3 other rooms trying different outlets (live in apartment). If you don't switch the TV off at the mains, the standby light will stay on. Hey all , I have the above LCD 42" TV and have a problem. 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