Stuck at 800x600 resolution

orium

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CPU | Intel Core i7-3770K 3.5GHz Quad-Core Processor | CPU Cooler | corsair h100i | Motherboard | Asus MAXIMUS IV EXTREME | Memory | G.Skill Ripjaws X Series 16GB (2 x 8GB) DDR3-1600 Memory | Storage | Samsung 840 EVO 250GB 2.5" Solid State Drive |- Video Card | Asus GeForce GTX 780 3GB DirectCU II Video Card |- Case | Phanteks Enthoo Pro ATX Full Tower Case | Power Supply | [XFX XTR 650W 80+ Gold Certified Fully-Modular ATX Power Supply]

So, after my motherboard died last time, I got a replacement (a second hand mobo I was able to find in my country), but it seems my troubles are still far from over.

Last night I was playing GW2, when suddenly my screen goes complete black, I can still hear the game playing though.
PC restarts, the mobo boot screen for some reason doesn't appear, but windowns boots normally, or so I though.
My resolution is stuck at 800x600 and I got some weird blue dots on the screen that change position everytime I move the mouse.
Windows device manager has a exclamation mark on the GPU and error 43.
I used DDU to remove drivers, and then reinstall, but no luck, can't change resolution.

So is my GPU dead? Or is there something else I could try?

Thanks in advance.
 

mrjack2207

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If you go device manager and check display devices, is your gpu visible

 

orium

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Yes, it detects the GPU, it has a exclamation mark right next to it with error 43.
 

mrjack2207

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Have you got some spare pci cables you can try with yout gpu ?

 

orium

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Yes, my PSU is modular so I have a few cables available. You think it might be the cables?
 

mrjack2207

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Error 43 is normally related to something to do with power, so I thought it might not be getting enough power, its worth a shot

 

orium

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I'll try when I get home (at work right now)

I also forget to mention that when reinstalling drivers screen would go black during instalation, and I had to reboot again, although drivers would get installed anyway since I waited a few minutes before rebooting.
 

KahouAoki

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That card requires one 6-pin and one 8-pin power connector, make sure both of them are plugged in. However, as far as I know, those DCU cards shouldn't even allow the system to post without all the cables plugged in.
Try completely reinstalling the driver, use DDU to wipe the previous driver.
 

orium

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Already tried with DDU but it didn't help.
 

orium

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Well, tried changing the pci cables but still the problem remains.
Tried all the mobo slots, tried a different monitor, no luck.

Guess gpu just died...
 

mrjack2207

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You changed the cable ?, hdmi, display etc?

 

orium

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Yes, new pci cable, new hdmi and a different monitor, but no luck,:(
 

mrjack2207

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Try taking out the gpu and running on integrated graphics (not sure if u said you tried this or not)

 

orium

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This mobo does not have a igpu port :/

This was a second hand i got since the other one died.
 

mrjack2207

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Oh of course, I would of know if I thought to check your specs, that cpu doesnt have have integrated graphics

 

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