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4870 Video Display

Forum Graphic & Displays : ATI - 4870 Video Display

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darksss   04-19-2009 at 04:00:56 AM

I just bought a Radeon 4870 512mb and when I put it into my computer and boot the computer, no video displays. Basically, I just upgraded from a 7900GS... and its not working.
Other graphic cards work on my computer, and the onboard vga output also works.
I have tried many thing but it doesnt work.

My system spec:
ECS - G31T-M
e8400
4gb ram ddr2 pc4200

I used multiple DVI cables
reset the bios and cmos
change the initial boot device to pcie
tried different moniters...


When I boot the computer, the graphic card runs and everything. However I also noticed that of the four led lights, 1,3,4 blink twice at the same time.. and thats it

Is my graphic card dead... or can my motherboard not support it.. cause its pretty small and crappy

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RazberyBandit   04-19-2009 at 10:43:44 AM
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Those LEDs usually indicate a power problem. Have you connected the necessary PCI-E power cables? 4870's require one 6-pin and one 8-pin PCI-E power cable.

What power supply is in your machine?

Message quoted 1 times
Reply to RazberyBandit
darksss   04-19-2009 at 05:46:30 PM
- 0 +

RazberyBandit wrote :

Those LEDs usually indicate a power problem. Have you connected the necessary PCI-E power cables? 4870's require one 6-pin and one 8-pin PCI-E power cable.

What power supply is in your machine?




I have a 550W power supply.
I checked the requirements for the 4870, and it says 2 6pin pci-e slots
Also, on my 4870, there are only a total of 12 pins, or 2 6-pin pci-e slots
And, my power supply provides the graphic card with those two pci-e power slots


Message edited by darksss on 04-19-2009 at 05:47:05 PM
Reply to darksss
Bronze Graphics badge coozie7   04-19-2009 at 08:03:07 PM
- 0 +

Exactly which PSU do you have? 550W is only what the maker claims it can output and such claims can be somewhat optomistic.
The 4870 only needs 2x6 pin so that`s O.K. but the LEDs seem to be wrong:

http://forums.amd.com/game/message [...] TARTPAGE=1

sounds like a bad card, can you plug it into another machine?

Reply to coozie7
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