Aug 9, 2019. #1. Toshiba TV, model number 40L3400U. Just about a week ago my TV started acting funny. When I went to turn it off with the remote after being on for quite awhile, no response. Tried the power button, nothing. I unplugged it and plugged it back in and it worked fine again temporarily. Sadly I noticed over time it will start actingVisit to learn more tips for your Toshiba television. Toshiba How-To Perform a System Reset on you 3 / Make sure that the mains socket to which your Toshiba TV is connected is functional. To do this, connect another operational electronic device to the socket in question. If it works, the socket is not defective and the problem is your TV. If it does not work, the socket is defective. You will then need to call an electrician.
Press your Toshiba remote's power button and hold it for 10 seconds to cold reboot your TV. Unplug your TV and wait for 3 minutes at least. Replug the cable, turn on your TV again and connect it to Wi-Fi. The other simple solutions are: Replace the defective router device and damaged wires and tighten the router wires.
HDMI is incredibly sensitive. Try using a different HDMI cable to connect the TV and the Windows 10 PC. 1. Enable projection mode. Windows 10 should automatically detect a new HDMI connection however, if it doesn't, enabling it is easy. On the Windows 10 desktop, tap the Win+P keyboard shortcut. In the panel that opens, select either Extend
The most common issue for a Toshiba TV not having any sound is often not the software itself, but the fault of a broken HDMI cable. Check that the HDMI cable is 'sitting' within its relevant port at the back of the TV, and is not folded forwarded in a way that could suggest either the port or the cable itself is are connecting as they should.
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