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Black screen when Windows boots!

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TLG11:
I have a problem after installing my new GTX 760 graphics card. Now the PC takes much longer to get to the boot screen when starting. After the "starting Windows" screen appears the screen usually turns black, turquose, white, grey. This pretty much makes the PC completely freeze. I have tried many things, excluding reseating the card, checking the interior of the case for any odd things, trying a different card. I wonder if I should try using this utility to attempt repairing Windows, as Nvidia support advice me to do using the Windows disc. I want to give this program a shot though. Do you know about this particular problem? It ONLY happened after putting the new card in, and only after a few hard reboots from the solid screen freeze the BIOS screen took ages to load. (The point from where the screen is inactive to where it shows the AMD logo or whatever.

EDIT: I must add that I can run the pc in safe mode. After a while being in safe mode I can most of the time reboot and load Windows relatively normally, and have no problems while it is on. However often when it works the screen just becomes some kind of boggy green color, but with a mouse that moves, and after a while (can be a long time) the applications start appearing. First the background image, then the bottom bar, then the icons, then some other applications and so on.

Shane:
I have seen this happen on a few customer machines with different network cards.

Each of them had a different reason, but here are the most common.

1. Power supply isnt strong enough and isnt giving enough power to the card.
2. The card itself is bad
3. Bad drivers, when the drivers where uninstalled it ran fine, install drivers problem was back. Used a different version driver.
4. Bad memory. But of course when it was bad memory I had programs crashing as well, so most likely not bad memory here.

I had my own video card, (My last one) where when I would first turn on the machine I would have lines through the screen and the system would blue screen. I would restart and it was fine and would play games and no problems. Only happen at first turning on the computer. For me it was the power supply. When I first turn the system on the power supply wasnt giving enough juice right away, after the power supply was on for a few and warmed up it worked fine. Once I put in a better power supply the problem went away.

So as you can see it can be a number of things. And yes it can be the OS as well, but not normally since it worked fine with your old card.

So the trick is to start going down the list and try each thing :wink:

Shane

TLG11:
1. My power supply is 850W I believe, and it's not even that old (1 year more or less). My system should run fine on just 650W anyway.

2. The card might very well be the cause as I also get artifacts from time to time outside fullscreen applications. I should try reseating it and check the cables. If that doesn't work I could send the card back to Gigabyte.

3. I have tried many many drivers, even modifying the config files to allow the old 314.22 drivers. No luck. The artifacts might be from bad drivers or installs too right?

4. Well I wouldn't expect that.

EDIT: When I started the PC now I got a disc read error. However after a restart it worked again with no problem.

Shane:
My old power supply was a 700w, it was just a bad power supply where it didnt fully power up fast enough. But for me a simple reboot fixed it since the power supply was up and running fully.

Honestly it is either a bad card, or bad power supply. So far seems like the card.

Can you put your old card back in and see how it does? Or do you have another system you can test the new card in?

I have seen where the only a certain cable from the power supply was bad before, so by testing the card in another system you can confirm if the problem is the card or the power supply :wink:

For me, on my old power supply I thought it was a bad card, because everything worked fine, and in fact besides having to do the reset at a fresh power up I used it for almost a year before I replaced it. I played my games and everything without a single problem. The only problem I had was when I plugged in a usb drive the system would blue screen or one of the drives in my raid 1 would report as unplugged for 1 or 2 sec and then show plugged back in, breaking my raid mirror. This was because the power suply was causing a surge when I plugged in the usb and one of my drives wasn't getting the power it needed so would show up as unplugged.

Since my new power supply I haven't had it happen once.

I only say this just to show that sometimes it can be the power supply. So by putting the card in another system you are testing with all different hardware. If the card has trouble in a different system then you know for sure it is a bad card. :wink:

Shane

TLG11:
Thanks I will try what you said, but only after reseating the card though!

I have to admit being very lazy. I simply can't bother pulling out all cables and sliding the big aluminum case out of the shelf. However some day soon I expect myself to do it. :tongue:

I will reply with results when I'm done.

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