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Novice Here- "DVI- No Signal"


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#1 chiiibill

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Posted 16 November 2016 - 09:48 AM

Novice asking on behalf of a novice.

 

Friend has a 4-5 year old HP PC. Boots up, Has both audio and video signal.

After about 15 minutes video disappears with the message "DVI- No Signal"

 

Considering that he's not at all tech savvy, what might be the cause and what can he do to correct this?

 

Thanks.


Edited by chiiibill, 16 November 2016 - 11:19 AM.


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#2 Chris Cosgrove

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Posted 16 November 2016 - 05:45 PM

This sounds like a faulty connection, perhaps a solder joint, in the video output system. As the system warms up it expands and contact is no longer made. It could also be a faulty fan causing thermal shutdown.

 

It would be a significant help if you could supply the make and model of this computer and whether or not it has an add-on video card.

 

Chris Cosgrove



#3 chiiibill

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Posted 18 November 2016 - 10:18 AM

Thanks for the reply.

Friend finally got back to me with model:  HP S2031 desktop.

No add-ons.

 

Thanks



#4 Chris Cosgrove

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Posted 19 November 2016 - 05:49 PM

That product number is for his monitor.

 

I have to admit I forgot about the monitor !  It could also always be the monitor that is causing the problem. The simplest way to test this is to try the computer with a different monitor - no need to buy one, just borrow one or take the computer to a friend's house who has a desktop. This will determine if the problem is with the computer or with the monitor.

 

If it turns out that the problem is with the monitor then really the only economic cure is replacement unless one of you is reasonably expert at electronic fault finding and repair.

 

If the display still shuts down after about 15 minutes with a different monitor then the fault lies with the computer. Then post back with the make and model of the computer.

 

Chris Cosgrove






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