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Driver trouble with Sapphire 4870 1GB

Forum Graphic & Displays : ATI - Driver trouble with Sapphire 4870 1GB

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Katamarino   01-31-2009 at 01:37:56 PM

Hi all,

I am putting together my brand new rig. Well, I bought it in November, but am only just building...its a long story.

Q9650
8GB DDR2
Asus Rampage Formula (0701 Bios)
300GB Velociraptor
2 x Sapphire 4870 1GB (1 old cooler, 1 Toxic style, randomly!)

I have installed Vista Home Premium 64, and all is running fine, on the default windows VGA drivers. However, when I go to install Catalyst 9.1, the install log claims that all has installed successfully, I reboot, and the cards turn themselves off as soon as windows finishes loading, and I am left with a blank monitor and am forced to reset.

I then have to start in safe mode to see anything, and remove the drivers before I can boot back into Vista normally.

This is a giant pain in the ass, as can be imagined. AMD's support has not been updated since the HD2400 - thanks guys, good job.

Any ideas?

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astrotrain1000   02-01-2009 at 11:04:10 PM
- 0 +

I have the 1gb Sapphire and I'm having problems with the 9.1 also. I can boot up into windows with the default driver but when I try to run CCC says to get the right driver for my card.

Reply to astrotrain1000
osmarferos   02-01-2009 at 11:30:58 PM
- 0 +

Same problem. The ATI drivers do not work with 8GB memories, under Vista 64.
Try install the Video Card only with 4GB memory. It works without problems.
Mabe it works whit you.


Katamarino wrote :

Hi all,

I am putting together my brand new rig. Well, I bought it in November, but am only just building...its a long story.

Q9650
8GB DDR2
Asus Rampage Formula (0701 Bios)
300GB Velociraptor
2 x Sapphire 4870 1GB (1 old cooler, 1 Toxic style, randomly!)

I have installed Vista Home Premium 64, and all is running fine, on the default windows VGA drivers. However, when I go to install Catalyst 9.1, the install log claims that all has installed successfully, I reboot, and the cards turn themselves off as soon as windows finishes loading, and I am left with a blank monitor and am forced to reset.

I then have to start in safe mode to see anything, and remove the drivers before I can boot back into Vista normally.

This is a giant pain in the ass, as can be imagined. AMD's support has not been updated since the HD2400 - thanks guys, good job.

Any ideas?


Reply to osmarferos
Katamarino   02-02-2009 at 12:15:41 PM
- 0 +

An update:

It turns out that there is a bug whereby the signal will go blank after installing the drivers if you are using a DVI lead. I solved it by using a DVI-VGA adapter, installing my DVI monitor on the secondary port, removing the DVI-VGA monitor, and switching the DVI monitor over to the Primary port.

It makes no sense that this works, but I have been playing Supreme Commander and Sins of a Solar Empire maxed out on 1920x1200 with perfect smoothness, so all seems well!

Reply to Katamarino
joeyb   03-30-2009 at 02:52:08 PM
- 0 +

Hey im having same problem.

works on old vga monitor but cant get the dvi one to work.

how did you "install" the DVI monitor?

Reply to joeyb
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