If all software setting done perfectly but till color problem in your monitor, then need to call monitor technician. It may occur from crt neck base loose contact or bad contact. need to replace new one.
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Re: my screen becomes yellowish..
Have you checked you monitor settings on the monitor? You may try setting you monitor the factory default and then re-adjust from there. Have you tried upgrading your vidoecard drivers?
1) Check actual setting on the monitor.
2) Make sure you are using the proper monitor drivers.
3) update your video card settings.
Let me know what happens.
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A quick check would be the VGA cable connection to the back of the PC and monitor. Make sure they are snug and completely connected.
Some monitors have the VGA cable attached as a separate item and not built into the monitor. If the 15pin plug becomes loose it will show the problems you're describing.
If that doesn't fix it, Next plug the monitor into a known good PC. If the problem still exists, you have a bad monitor...If the monitor works fine on the known good PC, the Video Card/Onboard video interface is bad and will need to be replaced.
Hello Devsi, hi, check your VGA cable connection for loose connections, try tighten it first to see if it solves the problem. the greenish thing is cause by a missing red signal, and the distortion is caused by a missing horizontal sync signal, also check out if there are bent pins on your monitor signal cable. just unplug the VGA cable and see if the pins are in order. if bent, carefully straighten it with a slim slotted screw driver.
First I would check the end of the cable that plugs into the computer, if this has become loose, it can cause discoloration. If it isn't loose, unplug the cable and see if any of the pins have become bent on the inside. IF they have become bent, you can usually carefully use a pair of tweezers to slowly bend them straight again (be careful because if you aren't you could break the pin off). If your monitor has the ability to removed the VGA cable from the monitor, you might try replacing the cable (most CRT monitors do not support removing the VGA cable though). Lastly, as this is a CRT monitor, you might need to Degaus the monitor or the electron gun could be coming out of alignment. Most CRT Monitor's have degaus button (usually marked by a symbol of what kind of resembles a horseshoe) which if pressed will degaus the monitor. If your's doesn't have a degaus button, try searching through your menu for the degaus option by hitting the monitors menu button. To see if your electron gun is out of alignment, lightly tap the side of the monitor. If you see the color change, or the color returns to normal, your electron gun is out of alignment and will get worse over time. Buying a new monitor is usually the best option if this is the case.
Try another known good monitor. If it works then you know your old monitor has died. If the known good does not work then it could be a graphics card issue. Also check your monitor cable to make sure it is not cracked or any broken pins on either end. Also check to see if cable has possibly come loose on either end. Hope this helps you out.
Have you moved it recently? The monitor has a sensor that tells when the computer is on. Some times the computer settings tell the system to go in to standby mode and this will remove the signal that tells your monitor to stay on. Check your computer to see if it's running. Usually a green or yellow light on the machine will blink. If everything is good, check the pins in the cable from the CPU to the monitor. Check both sides. If a pin is bent or bad. replace the cable. Trying to straighten it might break off in the plug. Also, the video part of your computer may be bad. Try the monitor on a diffrent computer to see if it powers up.
You can try to Degauss the monitor. It still sounds like the video cable is bad. That last part you mentioned about the OSM (on-screen Menu) having normal colors comes from the monitor and has nothing to do with the cable or pc. That tells me its the video cable, or the video cable connector (pins maybe bad) or a bad connection somewhere. There could be a bad connector inside the monitor where the video cable is attached to the electronics board. Sometimes those contacts just get oxidized and quit transmitting a signal. They need a good cleaning.
Check the cable for kinks at either end. VGA cables that are bent at a 90degree angle for lon periods of time become damaged. The next step is to remove cable from computer and check the pins for damage. A bent pin from accidental force from inserting and seating connector can catch a pin and contact with another pin or ground. If none of these conditions exist, consider monitor replacement. I would try another monitor to rule out the video card as well.