Question about Compaq Presario C700T Notebook

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I HAVE A COMPAQ PRESARIO. eVERYTIME I TURN MY COMPUTER ON IT SAYS ''NO VGA INPUT SIGNAL'' AND I DONT KNOW WHAT TO DO BECAuse it goes to sleep afterwatrds and we bought a new video and i guess we put it in right but we dont know because it still does the same thing. i also dont know whether the mother board has a video card or intergrated video. really i dont know what intergrated vidoe is or where the motherboard might be and how do i find out if it has a video card or intergrated video. we really need our computer. please help. also be very detsiled. add pics if you can. also how do i found out what series computer i have?

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  • pristineacc Apr 15, 2009

    Did you ever figure out what was wrong? I have the same problem with my desktop right now.



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Hi im aleli can you give me a driver of c700 video controller,, tnx

Posted on Jan 17, 2009


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Green light comes on and the fan but monitor will not


Could be the monitor or your Presario's VGA card. Swap the monitor with another system to see where the problem lies. If another monitor works on your system , it's your monitor. If another monitor doesn't work, then the problem is the VGA card.

Hope this helps.

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1 Answer

Can I go from VGA to SVGA?

If the question is can I convert my composite video output to a super video input then the answer is NO,

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You can however use a Multi-AV SCART adaptors with Input/Output signal switch where you plug in the composite video output into the top video and 3.5 mm jack stereo audio into the mono audio connections on top.( via a stereo to mono cable)

Hope this is the answer you are looking for !

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from what you have described it appears that the onboard video might have malfunctioned,there is no way to replace it, you can however go buy a video card from your nearest computer retailer. you just want to make sure it is compatible with your machine. on another note from what your saying the keyboard is donig i would be wary about spending to much $$ because it could also be your motherboard

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Screen says no signal input.

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Did you try the computer with another screen?

Do you ear the fan running when you start?
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If that doesn't work, open up the computer remove the video card, clean any dust from around the card and socket and replug the video card.
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