troubleshooting

Some Toshiba TV users asked about that when I turn on my Toshiba TV, there is a delay for a few seconds before the picture appears. Is this normal? The picture is normal but there is no sound. There is the answer. Actually, Yes, this delay when Toshiba TV turning on is normal. The Toshiba TV is...

I often see users complaining that Optoma projectors have no picture or make unusual sounds. Today I will talk about the solutions to several major faults that users often encounter when using Optoma projectors. If you learn to repair it yourself, you don't have to go to a professional store...