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Some help with 4890

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August 5, 2009 8:11:47 PM

hello.

I have just built a new system and something seems to be wrong. I installed vista and started it up works perfect. So i took it apart and put in an ATi4890 and when i try to start it up, it acts as if theres not enough power and it wont boot. heres what i have

Asus M4A78t-e mboard
phenom 2 4x 3.0 processor
4 gb cosair ram
1tb sata drive
1 dvd burner
and the 4890.

i have a 750 w cosair power supply with the propper connections. It doesnt make sense that this doesnt work does it? As soon as i plug it in and turn it on it just starts some fans, chuggs a bit and the idles with a few fans running.(3) any ideas would be helpful.
thanks

Garret

More about : 4890

August 5, 2009 8:19:54 PM

You may need to go back to the onboard video, enter BIOS, and disable onboard video before booting with the 4890 GPU in the system.
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August 5, 2009 8:49:06 PM

hey,

i tried this but it doesnt even post when i plug it in(the card) its really weird. im questioning weather or not my power supply is just bunk
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August 5, 2009 9:01:53 PM

Sounds like a doa card to me.
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August 5, 2009 9:18:13 PM

Yeah I doubt it's your PSU. If the card is properly seated and you have both 6-pin power sockets populated, but you get no signal from the card, then it is probably the card.
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August 5, 2009 9:20:52 PM

wat he said^
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August 5, 2009 10:24:39 PM

proximan,
i did what you said and disabled the onboard video, but since i cant get the card to work then now i cant see anything when i boot nomatter what i do, not even the post, but i can hear it booting...
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August 5, 2009 11:51:41 PM

reset the bios, look for a jumper or something
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August 6, 2009 12:27:40 AM

Yes, follow the instructions in your manual to reset the BIOS.
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August 6, 2009 2:31:06 AM

Sounds like the card. Is there another pc you have access to that you could test it in?
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August 6, 2009 5:07:15 PM

hello,

no unfortuantely i have no other pc to check it on currently. Im thinking its the card so im sending it back doe i guess. Its weird to me though that the whole system sounds and acts like it has too little power (it starts fast then slows to a quiet lull where only a few fans are running. We'll see because for now im stuck with this power supply.

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Best solution

August 6, 2009 9:19:31 PM

Modern ATI cards do that. The fan kicks in hard first thing then adjusts to actual temps.
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August 13, 2009 9:32:12 PM

youre right proximon. Ive got it working and it still does that. I am an idiot and i didnt go into vista and disable the drivers for the asus video part of the motherboard. thats why it wasnt working but it does now. thanks for your help.
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