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Used the VGA cable came with ur computer monitor,used that VGA cable plug in VGA input it the tv and plug it other end to the computer video card.Used ur tv remote look for a input button pushes look for the mode computer signal in the tv like input 1,2,3..so on.
check for the power supply is locater at the back of the tv..you need to open the cover.the output power of the the power supply is 5vdc for the cpu and 12v-24dc for the backlights..visually inspect the components of the power supply.replace any burned capacitors and resistors..replace the secondary fuse with the same ratings..
I owned this set for 1.5 years with no problem until I used the VGA input port. I could watch movies from my laptop for about 3 days, then my TV wouldn't turn on? The red power light was on but the light never turned blue indicating the set is on.
I searched this set on line and found this problem was very common with this set. I believe it is a manufacture defect that they didn't have a recall for.
I am going to replace the LCD control board, that should take care of the problem. I saw a used one on ebay for $69. With this board having known problems, I didn't dare try a used one.
I have pretty much the same problem. When I turnm on the set (Niko OPT-2613W) it is hit or miss whether it will work or no. Some times I get audio with no picture, sometimes the other way around. Sometimes I get sound and picture but no controls work (either the ones directly on the TV or the remote). When I turn the TV ON/OFF multiple times (switch next to the power cord) it generally reverts to working correctly until I turn it off when I'm done watching and then the process starts all over.
I consulted a TV repair shop and was advised that since it was an "off" brand they werent sure they could find the repair manual or parts. I don't want to toss it but it really isn't good the way it is. I haven't tried it as a computer monitor yet but I think it would be fine with VGA input. Unfortunately that's not what I bought it for.
Normally when you get a no signal and you have a working source, this means that the contact points that are soldered on the micro board are lose or have been broken off the board by excessive force. you can fix by removing the back cover and re soldering this VGA input socket back on the board correctly.
on the back of your tv there will be an input marked VGA or PC input. connect your cpu(computer) to this input just like you do to your existing monitor. then use your tv remote to select pc or vga input as your source for video. mch
Initially, it is required to determine what video out is available from your laptop. Most laptops have the standard 15pin VGA out as a secondary video port. Still others have a single yellow RCA for composite video output or an S-video output and some newer ones have DVI and/or HDMI. Thereafter, you need to determine what king of INPUT connection would be acceptable by your TV. Most TVs have the single yellow RCA for composite video input or an S-video input. Some high ends have VGA, component, DVI and/or HDMI. As soon as the common connection point has been established, the appropriate cable has to be sourced. it will also be necessary to determine the maximum screen resolution of the TV so as to set the Display Properties/Screen Resolution of the laptop to match that of the TV. Often to enable the external video/TV, the Fn + F? keys on the laptop must be pressed several times to cycle on LCD display only, LCD + TV, TV only. The F? key on the laptop would be the function key with the smaill monitor icon.
Just a start, do postback how things turned up or should you need additional information. Good luck and Thank you for using FixYa.