How can you ensure that your computer works using a video cards with onboard video?

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Answered by: Eric, An Expert in the Video Cards Category
Installing Video Cards In Computers With Onboard Video

Most computers that you can buy on the consumer market nowadays come with everything you could ever need already built-in to the motherboard. This goes for the audio interface, modem, LAN, USB ports, and video interface. This means that while you would have once had to buy these components separately, you can pretty much get all that functionality right out of the box with just your basic computer. This has largely eliminated the need for 3rd party soundcards, modems, network cards, and video cards.

However, there are instances wherein you may want to install an aftermarket video card. While the onboard graphics features included in most modern motherboards are powerful enough for basic usage such as word processing, Internet browsing and the like, they may not be able to deliver sufficient performance for heavy graphics or video editing, or for gaming. For users who require their computers to perform such graphics intensive tasks, sadding an aftermarket video cards with onboard video may be necessary.

Issues with a computer adding a video cards with onboard video. Adding video cards to computers that have onboard video isn't as simple as removing the onboard video cards, because there isn't actually one. With computers with onboard video, the graphics component is actually physically attached to the motherboard, and cannot be removed without damaging the computer. However, there are many potential issues that can result from simply slapping video cards into computers with built-in graphics. Among the possible problems that may arise are:

Impaired system performance

Slow graphics redraws

Computer may freeze, hang or even shutdown

BSOD (Blue Screen of Death) may be experienced frequently

Computer may not boot into Windows

These issues may result from a number of factors. Some of the more common causes of problems with video cards in computers with onboard video are:

On-board video is not disabled

There is one or more IRQ (or other resource) conflict between the video cards and

the other devices installed

Windows conflict causes failure in the detection of video cards

Conflict between onboard video and video cards of the same brand


Some onboard video devices will have to be disabled via a jumper or by changing the

appropriate settings in CMOS. While some computers will disable onboard video cards

automatically when new video cards are detected, not all computers offer this feature.

If there are no appropriate jumpers on the motherboard to disable the onboard video and

if you cannot disable it via CMOS, check to see if your video cards allow you to change

resource settings via its own jumpers. This may be able to rectify any problems related to

resource conflicts.

In some cases, disabling the onboard video may be done by changing the appropriate

settings in Windows. These settings can be found by clicking on the “System” icon in

the Control Panel. In the “Hardware” tab, click on the Device Manager button. You will

then be shown a list of the devices installed in your computer. Click on the “+” sign

next to the “Display adapters” item to show your onboard video card, right click on it

and select “disable”. This will have the same effect as disabling onboard video cards via


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