Graphics card or Insufficient Power or others?

[dat789]

Hi!
Ever since I've installed the ATI RADEON HD 4870 1GB on my previous motherboard 2 years ago, and now (since March 2013) onto the new Asus P8Z77V-LX motherboard with a OCZ 750W PSU Fatality.

Booting up on my new build is fine. I could launch processing power taxing applications (the likes of SQL Server 2012 suite, watch videos, view photos, process millions of rows in Excel) and both my 2 screens remained switched on.

The current set up is simple:
The Radeon HD 4870 graphic card fitted onto the PCi-e x16 slot.
Its two output is connected to each of my monitor, thus, giving me a dual screen display.

Driver is that of Catalyst. And, it's up-to-date -- catalyst control center.
DirectX is the latest.

The problem is that I am not able to play any graphics taxing games (the likes of Mass Effect 3, Crysis). As soon as the game is loaded, both my monitors will become inactive then I'll see on the screen the "No input signal".
At this point, I will not be able to Alt+TAB, or WinKey+RightArrow+ENTER to shutdown (on Win7). The only way is to reset and I'll have both my displays back.

Last weekend, I tried to run NFS Underground 2 and to my surprise it worked without problems! But, when I opened up Photoshop CS6 (only Spotify was running simutaneously) and click-press to brush paint an area... both my screen went offline -- "No input signal"

Connectors are secured to the back of the graphics card.
I really don't know if the fault is with the driver, graphics card, PSU, or others. If anyone here knows how to resolve this, please share.

 

[Bacon?]

Have you overclocked the card at all?

 

[Davedree]

does it work fine with 1 screen?

 

[dat789]

it didn't work with 1 screen.
and the card was never overclocked.

Also, both screen resolutions set to max.

 

[Davedree]

Is your system overclocked, does your motherboard have the latest bios?
when we last used a 4870 the catalyst was 12.4 then they discontinued updating the older series.
Just looked now and they have made a 13.1. Are you running 13.1 if so try 12.4.

4870s run hot just wondering what temps you are getting at idle and load even though it black screens.

 

[Davedree]

also did it do it with your previous system or just on this new build.

 

[dat789]

Hmm, how is Catalyst 13.1 going to be any different from 12.4?
I did uninstall 13.1, downloaded and install 12.4... but when i check version after, it shows 13.1
???

 

[jakehall109]

There could be lots of problems causing this

750w is more than enough for a 4870
Unless you have dozens of HDDs etc you should be good for watts
If the card worked fine in the old system, there is something wrong with the new system could be drivers etc
Have you checked it in another PCI-e port if you have one, have you got another/ your old PSU to try?
BIOS fully up to date?
First try removing all the graphics drivers totally maybe using a ccleaner or another cleanup tool and try a different version

 

[Davedree]

Hmm, how is Catalyst 13.1 going to be any different from 12.4?
I did uninstall 13.1, downloaded and install 12.4... but when i check version after, it shows 13.1
???

12.4 was the last official driver for vliw5 then later cat12s were made for gcn. So it maybe that going back to an earlier driver than 13.1 might provide more stability. It might not. I have an old 4870 around I'll have to test it.