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What is the best software for desktop recording?

I want to record my screen to video, but the software I have tried causes the computer to lag. Is there any software that will capture the screen without causing the lag while it records?

By lag I mean it seems like the software is just constantly pressing Print Screen, which causes the image to pause momentarily.

It is an older PC (Pentium 2.4GHz 1GB Windows XP)

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closed as exact duplicate by Nifle, Diago Jan 16 '11 at 15:13

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2 Answers

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This is called screencasting. There are dozens of screencasting software available. There will be some overhead with any software based screen capture. The only way to avoid this completely is to route the video signal from your video card to a recording device, say a camcorder or consumer dvd recorder.

This is probably more effort than your interested in. I would check out a few of the other software available and choose the one you like best.

http://en.wikipedia.org/wiki/Comparison_of_screencasting_software

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Fraps works pretty good IF you 1) Have multiple processors and 2) a separate hard drive to record to. – Mark Allen Sep 11 '09 at 21:09
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Video capture is a real resource hog, regardless of which app you are using. It's likely you're going to have some problems with lag if you're recording full screen real time. Consider capturing a smaller area with lower quality or refresh rate.

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