Help diagnose my problem please.

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Nightmare515

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Feb 13, 2014
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Hello all,

So after days of tinkering with various components I have narrowed down my problem to a specific area. My computer is connected to my TV via HDMI and everything works fine while its running. The SECOND I turn the tv off or switch the input from HDMI to something else the signal is lost and I have to do a hard reset on the PC to get the signal to come back on.

I have tried this with a normal monitor and the same thing happens. Starts up and runs fine but the second I turn the monitor off and back on or a switch the input then I have to do a hard reset to get the display back. This is not exclusive to HDMI cables, the same thing happens on both the monitor and the TV when I use the DVI/VGA converter cable as well. I have also used multiple different HDMI cables. I have tried reseating the ram as well.

Everything runs fine, games play at the specs they should, no overheating, no screen flashing, no random shutdown no random loss of display etc. It doesn't have to do with usage because I have left everything on for 2 days just to see and everything is perfectly fine. The only time the problem occurs is when I turn the tv/monitor off or switch inputs. The only solution I have found so far is to just never turn anything off, ever. I don't want to do that.

i5 4440 3.1ghz
8gb (2x4) 1600 ram
MSI Geforce GTX 760
Seasonic 550W PSU
Windows 8.1

BTW the computer is a factory bought Dell that I put a new GPU and PSU in, not sure if that matters.

Thanks in advance.
 
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EasyLover

EasyLover

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Dec 30, 2013
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Dear, then it is almost faulty Graphics Card that you have. To be sure about that, you may install this card in another available PC and then see if if it comes with the same problem
 
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Nightmare515

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Feb 13, 2014
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I have also installed the card in a friends computer but the problem doesn't occur. It boots right up fine with his computer. I have even tried to make it malfunction like mine does by turning his display on and off and putting the computer in sleep mode etc. It always just comes right back like normal. I believe the card is fine and the issue lies somewhere else in my computer.

 
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Nightmare515

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Feb 13, 2014
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I haven't tried to do that. I'll see if I can try.

I have a Seasonic 80+ 550w PSU which is adequate for the card according to the manufacturer. I even emailed MSI tech support to make sure and they assured me that as long as my particular power supply is operating properly then it is adequate for my GTX 760. I have also tested the PSU and it is functioning properly. The card requires 1 8pin connector or a 6+2 connector. I have the 6+2 joined together and inserted into the 8pin slot in the card because I dont have a single 8 pin connector. All connections are secure.

I am wondering if perhaps the Dell motherboard just doesn't fully support the card? I have heard that factory PCs sometimes have issues with aftermarket hardware even though they have a PCI 16 slot. Dell refuses to even comment on my issue because I am using aftermarket parts and their solution for me was to stop using aftermarket parts and revert the computer back to the way it was when I bought it. Some help that is...
 
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Nightmare515

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Feb 13, 2014
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Hmm, after looking at the inside of the computer just now I realized that the motherboard isn't quite lined up all the way back with the back of the case. There is a gap between the back of the motherboard and where the outgoing connections are, like its not seated properly. I believe I may have not reseated it properly when I was taking various components out trying to diagnose this problem.

I'm going to reseat it to make sure it lines back up with the back ports on the case. Hopefully I didn't short circuit anything by failing to do that correctly. Maybe this is whats causing the issue?
 
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Nightmare515

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Feb 13, 2014
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Well that didn't work, still having the same issue. I'm trying to better understand whats going on here.

I reseated the MB and turned on the computer and it booted right up with the display and the GTX 760. I turned the TV off to test if it was fixed and it lost the signal again. So I had to do the only trick that I know always works which is to turn the PC off, take the card out, plug the HDMI cable into the onboard graphics card, boot it up, shut it back off, put the GTX 760 back in, boot it up, and the display comes back.

So heres what we've come up with so far.

The GPU seems to be fine since it works in my friends computer
The PSU seems to be fine since I tested it and it works fine
The MB wasn't the issue like I thought, I reseated it and it still persists

For some reason something happens whenever I turn the display off. If this were a compatibility issue then the card shouldn't be running at all right? Or it should give me some sort of issues while using it. If the PSU were the problem then it shouldn't even boot up or it should crash during heavy loads.

In order to get the display back I have to take the card out and boot it up then turn it off, put it back in and boot it back up then it works, each and every time. Now I'm trying to figure out exactly WHY that solution works. What is the computer doing to fix itself every time I take the card out and put it back in? It seems like it's resetting something within itself I just dont understand what.

It only works if I take the card out of the slot and boot it up and then turn it off and put it back in. If I simply reset it or power it off with the card in and try it won't work, I have to physically take the card out and boot it with the onboard card and then wait for the display to pop up then shut it off and put the card back in. Like the computer forgets it how to bring up a display but when it uses the onboard card it remembers then it remembers to do it for the GTX 760 the next time.
 
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Nightmare515

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Feb 13, 2014
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I will try switching out the PSU later today when my friend comes over with his computer.

As far as power options go I have turned everything off as far as energy saving options to prevent the computer from shutting down anything and making me do the trick to get it working again.

I have no sleep mode available for this particular card. I have hibernation turned off, no turning off the display after X minutes, no turning the PC off after X mins etc. The computer is set to turn off only when I physically turn it off my self.
 
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Nightmare515

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Feb 13, 2014
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Alright I just switched power supplys with my friend and the same thing happens. I am honestly stumped now.

I am starting to think this has something to do with Dell itself but I have read about others on this forum who have updated Dell desktops with video cards and new PSUs without issues like this.

So we have narrowed it down.

The GPU is fine
The PSU is fine
The RAM is fine

Now the only thing left is the motherboard itself. It just doesnt make sense to me why it would work when I reseat the video card each time. Its as if the MB forgets there is a card in there the second I turn the display off. I would like to think that maybe I broke something while messing around with parts but all of these components are brand new and the GPU did this same thing before I ever even touched the MB.

Something is going on with THIS computer and this GPU. If they weren't compatible then the card shouldn't work at all right? I thought maybe the PSU wasn't supplying enough power during startup but everything runs but the display just wont show up unless I physically take the card out and put it back in. Its as if the computer forgets the card is there the second I turn the display off and it wont remember a card is there unless it recognizes it as new hardware each time I put it back in.

Seriously stumped now...
 
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Nightmare515

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Feb 13, 2014
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Yes I only use one display (TV) and the HDMI cable. I only hooked it up to the monitor to see if maybe there was a problem with my TV or something. Whether I use HDMI or DVI/VGA converter on either the TV or the monitor the problem remains the same.

I don't have an option to disable onboard graphics in my bios. Since this is a store bought PC I believe most bios options don't exist for me.
 
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Nightmare515

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Feb 13, 2014
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Alright I went to the event log and this is what is posted each time I am forced to turn the computer off and pull the card.

Windows failed to resume from hibernate with error status 0xC0000411.

I have turned everything off so that the PC will never shut down, go into hibernation, pr turn the display off. I also have my power profile set to high performance. My card does not allow sleep mode.

Not sure if any of this is relevant.
 
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