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The VGA cable is frayed behind the pin plug plugged behind the tower. I have to go behind and jiggle the cable to get color back on the monitor. I changes colors from pink and yellow and to normal.
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The 9-pin port on your PC tower is NOT a video port, it is a serial data port. All VGA connectors are 15-pin. Hooking up to the 9-pin port will not get you a picture. There should be a VGA port on the PC, or else a DVI an/or HDMI port. You can get DVI-to-VGA adapters that work, but only if the DVI port is an analog DVI, not if it is a digital DVI (DVI-D or DVI-DD).
Today's laptops and desktop computers are more user-friendly. As more people start use computers, operating systems, software and hardware accessories are coming with better instruction manuals and streamlined interfaces. Here are a few basic steps to hook up your computer no matter which brand you bought.
Connect the power cable to the back of the computer tower. The male end of this plug is often on the computer, but it is recessed into the casing. Once this power plug is connected, you don't want to plug it into an outlet until the entire computer is set up. Attach the monitor cables to the back of the monitor and then to the back of the computer tower. This cable will probably be the VGA type, which has a wide set of prongs in the middle and two screws on the outside. Be sure to twist the screws in to ensure the cable has a solid connection. Secure the monitor's power cable to the back of the monitor and then plug it into an outlet or power strip. Attach the mouse to the USB port on the back of your keyboard. The keyboard then plugs into another USB port on the back of the computer tower. Turn on the computer and the monitor.
If the computer powers up but the monitor doesn't display anything, make sure the VGA monitor cable is secured. If the status light on your monitor doesn't turn on, check the power cable connection. Check that the mouse and keyboard work once the computer turns on. Now you can hook up other devices, such as a printer or a web cam. A printer often can connect to a USB port and also may have its own power cable; a web cam usually just plugs into a USB or firewire port.
Set all items up ready to be installed
Plug in your mouse and keyboard into the back of the tower. If u are using the old style connectors these have pins and will also be colour coordinated so you know where to plug into tower. They will have a notch inside so plug in carefully so not to break pins.
If they are USB connections they will be square at the end and u will see where these plug in at the back of the tower these do not have colour coordination as u can plug in anywhere.
Next your VGA cable, this is the cable that looks the same both ends with 15 pins in it. One end goes into your monitor and the other into the back of the tower these are shaped so they only fit in one way, again caution that you do not force in as you could bend the pins.
Next ensure u have the power leads into the tower and the monitor, these are the cables with a plug on one end and a female 3 hole socket at the other, u will see where these plug into both devices.
Next plug into wall ensuring socket is off first
Then switch on
Switch on your tower....monitor should come on by itself, if not hit the power button on your monitor
Voila ...done
Your either going to need VGA or DVI. You need to check the back of your computer and monitor to see which type of connection you have. Then plug in the appropriate cable.
Kathy...have you tried connecting another monitor to the same video card and computer? It could be...
1. Video card defective
2. VGA cable from computer to monitor defective...look for bent pins in plug.
The VGA cable from the computer video output carries three distinct colors...red, green and blue. Likewise one of these colors may not arrive at the monitor correctly or at all. The results being that all colors are incorrect.
If your wires are unhooked, Usually new monitors wires are colour coded , for example, blue to blue, yellow to yellow etc.
If your wires are not colour coded, There is only one way the wires can go, They won't fit just anywhere. If they fit into one connector, then that will be where it needs to go.
The most likely problem is that a pin on th cable is either bent and missing a color or the cable can be bad. If you use VGA a pin can bend and cause a color disappear. DVI cables can sometimes be the same issue.
Most likely if the cable is not in correctly it could also be the cause of the problem. Check the pins and make sure they are straight up correctly and if they are let me know what displays on the monitor and maybe i can help you out more. I specialize on monitor issues. :)
Well... try un-plugging the VGA cable... ie., the monitor cable behind the tower...... if u get a message on screen saying No VGA Input... can confirm there is no issues with the monitor...
if you are using graphic card in computer unplug that and connect the VGA cable to normal display card came along with the computer and try...
or if you have another monitor... u can try connecting that to the tower which is not sending the signal to monitor and try....
even then you get the same problem... get an new graphic card... (if you dont have other monitor try with new graphic card)
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