MY pc suddenly lost the hdmi signal with my LCD tv

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Robertwhyte

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May 6, 2014
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Hi, I'm a 1st time builder and this one has me spooked as I just spent about 600quid on this pc. So what happened was I downloaded 3dMark 11 demo from steam to see how my pc performs, I had a few issues installing at 1st, I had messages like "your monitor or keyboard may be icompatable please shut down all other program's before running" so I did. It runs but downscales my image to 720p, about halfway through my audio started too glitch out and then I lost the image, my fans in my rig went turbo and settled after a few seconds. Ever since then I haven't been able too get the image back, on my tv it says no signal, but everything in my case is running, fans, hdd, graphics card etc. my motherboard and graphics card are displaying green lights, I have no beeps at start up. Please don't say that a bencmarking demo broke my system.
 
Solution
blockhead78
key thing here "my fans in my rig went turbo and settled after a few seconds"

sounds like something overheated, possibly the GPU

Do you have integrated graphics on your mobo? If so, remove your GPU and try the onboard graphics

If that works, then unfortunately the GPU died

If you don't have onboard graphics, do you have another PC or access to a friends PC to test your gpu?

You could also try just reseating the GPU
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blockhead78

blockhead78

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Apr 7, 2011
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key thing here "my fans in my rig went turbo and settled after a few seconds"

sounds like something overheated, possibly the GPU

Do you have integrated graphics on your mobo? If so, remove your GPU and try the onboard graphics

If that works, then unfortunately the GPU died

If you don't have onboard graphics, do you have another PC or access to a friends PC to test your gpu?

You could also try just reseating the GPU
 
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Solution
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Robertwhyte

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May 6, 2014
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No I don't have on board graphics and I don't have another pc in which to test it. Please don't say it has died! I haven't tried reseating it yet, but does that actually help? It's a brand new asus gtx 760 only 2 days old! Surely it hasn't died.
 
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blockhead78

blockhead78

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Apr 7, 2011
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ordinarily, you wouldn't expect a brand new GPU to fail so quickly, but it's not unheard of I'm afraid

Reseating can sometimes help if there's a contact issue in the pcie slot

Did you overclock the card at all, or was it running on stock settings?

Also, what PSU are you running on?
 
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Robertwhyte

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May 6, 2014
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Hello again, I reseated the card but nothing happened (I should also point out that before I did this my pc wasn't turning on) that had me scared. So I reseated everything still nothing, frustrated I jerked the pc over to its origonal resting place and boom power! Then it turned off again, I pushed on the psu cables and boom power! It was then I realised I may have a power flow problem. All my cables are bunched up in a nasty mess! So I started taking out of the bunch the ones I wasn't using, after I took out one unused pci-e cable bam! Power and a hdmi signal. Sorry for my use of BOOM and BAM I'm just very pleased haha. What I learned from this, cable management is IMPORTANT!
 
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