Question about Dell OptiPlex GX520 PC Desktop

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My moitor has gone all yellow - I know it's not the screen, as it is linked to an interactive whoteboard that's also yellow ... would it be the video card that's gone wrong, and are they easy to change?

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A little troubleshooting will allow you to find and replace the hardware with little cost.


Try the monitor on another computer and see if the color stays yellow. If it doesn't, then you know it isn't the monitor. Monitors have inverters in the back of them that look and act like a light bulb. Over time, these tend to go out. Some go out quickly but many go slowly and cause a discolored view on the screen. If it is the inverter, you can take the monitor to a technician and they will fix it for a reasonable charge. This is not an easy task as once you open the monitor, you are in danger of many different hazards such as electrocution and radiation.

Video Graphics card:

Generally, discoloration would not be a sign of hardware failure. You can check the settings on graphics card by going to control panel and choosing display. This particular card is integrated, meaning it is built into the motherboard, so replaing it would be very expensive as you would need to purchase a new motherboard. An alternative solution would be purchasing a PCI slot video graphics card and installing it yourself. They are not difficult to install, just make sure the power is disconnected and you are grounded as to not get static electricity damage. You can purchase a new from any electronics store ranging from $20.00-$250.00. Just depends on what you would like accomplished from it.

Hope this helps!

Posted on Sep 16, 2010


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