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sudden loud hissing noise and picture interference??


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#1 lucklesspedestrian

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Posted 27 July 2013 - 06:15 AM

Hi

 

I have a fairly average boring x 64 based PC with an i3 processor running Windows 7

 

Increasingly frequently (every hour or so) the picture on the monitor suddenly turns grey and fuzzy, (can still see whatever is on the screen, it's just tinted grey) there are a series of red and blue thin vertical lines across the picture and most notably there is a loud white noise kind of sound. Turning down the volume controls on the speakers or the pc makes no difference.

 

This last for about 15 seconds, the monitor shuts into standby and the sound disappears.

 

The computer itself does not shut down

 

After about a further 10 seconds I turn the monitor back on and everything is fine, the webpage or whatever is still there.

 

It happens whether I'm on the internet or just doing stuff on the pc e.g. word processing.

 

Any ideas?

 

Thanks in advance!

 

ps: posted on internal hardware because I'm assuming that's the problem....could be wrong!

 

 



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#2 synergy513

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Posted 27 July 2013 - 10:59 AM

are you using onboard integrated graphics or a dedicated graphics card?   if the card is in a heat meltdown, it won't recover until a shutdown/reboot  after quite a bit of time to let it cool off. 

 

      is there another machine you can use your monitor on to check to see if it is the monitor ?,,  do you suffer alot of power outages?  

 

          also, what kind of monitor is it?   do you use a UPS  (another way of saying "battery" )  ?  


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#3 lucklesspedestrian

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Posted 27 July 2013 - 11:14 AM

are you using onboard integrated graphics or a dedicated graphics card?   if the card is in a heat meltdown, it won't recover until a shutdown/reboot  after quite a bit of time to let it cool off. 

 

      is there another machine you can use your monitor on to check to see if it is the monitor ?,,  do you suffer alot of power outages?  

 

          also, what kind of monitor is it?   do you use a UPS  (another way of saying "battery" )  ?  

Sorry, should have clarified

 

It's an onboard intergrated graphics Intel media accelerator and the monitor is actually a DGM 22" LED TV. Don't use a UPS, don't suffer from power outages. Recovery time as I say is pretty quick, less than 30 secs and never had to reboot.

 

It's a good idea, I'll swap the monitors with a back up PC I've got in the spare room, leave them both running and see what happens!

 

Thanks






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