The tv isnt recognizing that something is in the pc input. change the resolution in the computer to 1024x768 and try again. if still not working make sure that your vga cable is still good with no bent or broken pins in the connector
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there is sinal interferences from laser products pc mobile transmitters or video games get high quality vcr and cable tv cables move or switch off any video games cd players energy saving lamps or pc and microwaves n motors like pumps change the position of installation of cable and antenna to avoid path of interference
How are you trying to connect to the PC? Does your video card support TV-out?
If you are trying to connect VGA to component video, you need a converter like this: http://www.svideo.com/pctocomponent.html . There are similar ones for PC to composite video. The VGA to component video cables will not work since the two signal formats are different.
Some video cards do have a TV-out option, you will need to read the documentation to set up that option. (Those cards come with a special dongle to connect the card to the TV cable.)
If you have the converter and are not getting the signal to the TV, first check that the computer video is set to use the external monitor. (This may need to be enabled in the BIOS.) Next check that the converter is working. (Try connecting to a different TV or this TV to another computer.) Try different cables and make sure that they are fully seated to all three devices. Replace the converter if you find that it has failed. (If it is under warranty, send it to the manufacturer.)
Hello, the grey screen could be due to a missing 220Volt source which feeds the color (RBG cathodes)inside the CRT(picture tube). When this happens the beam current inside the CRT goes high in a matter of second, thus triggering the beam current protection circuit(blinking green light)shutting down the TV. Repairing the secondary voltage source is necessary to get the TV working normal, a good technician should be able to repair it for between 80 to 100 dollars parts included, except a picture tube, which could be also the cause of the problem(K-A shorts).
In Australia analogue TV signals will be phased out and finished by the end of 2009 (I think).
If you have a standard analogue TV you won't be able to receive any more free to air analogue TV programs when they stop brocasting these TV signals. To recieve the new digital signals you need to buy a digital set top box (which receives digital TV signals and converts it to analogue signal that can be displayed on your old TV). The set top box will only receive Standard Definition signals and this is a lower screen resolution that is available from High Definition signals.
Digital TV signals offer approx. 15 TV channels ln High definition and Standard Definition, different programs channels will be available from the same TV broadcaster, although the High Definition pograms will also be repeated on one of the Standard Definition channels.
High Definition gives a sharper image than Standard dedinition, but you may not notice much difference because it depends much on the material you are viewing, You will notice how clear DVD and BlueRay movies are compared with the VCR tapes. To get the best images from DVD movies your player must be connected to the HDMI connector on your High Definition TV (provided your DVD player has one, usually BlueRay players will have one, they also will play normal DVD disks).
If you purchase a new High Definition TV you will also be able to receive all the Digital TV programs. Currrently these TVs are avail in Plasma or LCD screens and there are newer technologies within a few years. The Plasma screens use twice as much energy (electricity) as a LCD screen. It is suggested that the viewing distance to the TV should be 3.5 times the size of the TV screen.
Hope this answers your query.
Get back to me if you have any more questions.
Check the aerial cable, ensure it is well plugged in and getting signal.
If you are using a receiver box, check cables to TV and receiver (freeview, sat, cable etc.), try setting channels on receiver again, if it does not work but you get static, then either the cables or receiver are defective.
Test the TV on standalone , connecting it to an external antenna. Tune again the channels, and save the preset. If still no signal then the antenna socket on the TV may be defective.
Try using the TV with a DVD.
If you can watch DVDs, and TV is not keeping channels preset, and you tried all the above, at this point htere may be a fault in the tuner card inside tv.
Call the phone number listed on tv user manual to get support, and eventually repair it.
clayboy these highlights will only become selectable if you are
actually plugged in to the pc port (aka vga) this is the blue
female socket .if your running hdmi through your computer to tv
it will defaolt and pc options wont be available. also if you
use this vga/pc connection be sure to use the remote and set
tv input to pc .
This denotes a problem with the switching power supply or the high voltage power supply. what is happening is the safety relay is being actuated by the shutdown circuit. Any number of things can cause this proble but more then likely the problem is in the high voltage power supply section and or its associative circuitry. The switching power supply and the high voltages power supply have very dangerous voltages and I would not suggest that you work on the TV set unless you do have a background in electronics. If you do not I would suggest that you take the TV set to an electronics shop for repairs. If you do have a background in electronics, you will need the following items:
1) A schematic diagram (to know where voltage and signal test points are located and to have a reference of the levels.
2) A multimeter (to measure the DC voltage levels on the TV Set)
3) An oscilloscope (to measuer the AC voltage and signal levels in the TV set and compair them to the values in the schematic)
4) A signal generator (to generate a reference signal for troubleshooting)
Lets try something ,turn the set on and put you forearm in the face of the picture tube if your hair stand to static it means you have high voltage and your set is missing possible the screen or filaments volts,if the hair in your arm does not stand your set is missing the high voltage and the problem is related to the flyback but it does not mean is bad ,it could have a loose conection in one of the legs or in the near area,next time it happens tap on the side of the set to see if it reacts if it does you know you have a loose conection.If you are familiar with tv service this will be a good place to start but if you are not too familiar be safe and call for assistance from a servicer.Let Us know if you need more information and how it goes.