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Blank screen, no boot no beeps

Last response: in Graphics & Displays
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a b U Graphics card
May 4, 2010 4:43:13 AM

i7, 1366 socket
ATI 4890
6GB of RAM
DX58SO

I recently reinstalled my drivers. Now my system doesn't boot up correctly - all I get is a blank screen (the monitor doesn't turn on), and no error beeps from the motherboard. I tried clearing the CMOS, which didn't solve the issue.

Could this be a graphics problem or another component error?
a b U Graphics card
May 4, 2010 4:56:37 AM

Ok, I'm thinking I killed my GPU from a bad BIOS flash. Does anyone know
if an ASUS 4890 BIOS can work in a Diamond factory OCed 4890, or if a Diamond regular BIOS would work for the OC GPU?
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a c 189 U Graphics card
May 4, 2010 12:01:40 PM

well, do u have another computer (with high PSU)?
You can try the card to make sure whether your card is defective or not...
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a b U Graphics card
May 4, 2010 8:11:02 PM

Well, the card was working earlier. After I flashed a new BIOS and reinstalled drivers, it just shows a blank screen and I can't even get into BIOS.

I think the problem was RBE/winflash only created a 64kb file, while the later 4870s and 4890s needed a 128kb file. The card was working, but at 4870 speeds. After reboot, it no longer worked (driver reinstall).


I'm trying to buy another card, so hopefully I can fix my 4890 by re-flashing another BIOS
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a c 189 U Graphics card
May 5, 2010 1:47:39 AM

what card do you plan to buy?
the exact 4890?
why don't you go with 5xxx card?
Yes, i know 4890 is a monster, but with 5xxx series you will gain more benefit, less heat, less power consumption, dx.11 capable...
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a b U Graphics card
May 6, 2010 9:09:55 PM

So apparently this was not a graphics card issue.

I plugged in a friend's 5850 in the PCIe 1 slot and the 4890 in 2 slot, and it still showed a blank screen. Then I switched the order and tried the 5850 by itself in slot 1 and it still doesn't work.


This is frustrating the hell outta me since everything was working 3-4 days ago.
My mobo BIOS is up to date, my PSU is more than enough, etc

My mobo makes zero beeps, so I can't figure out what is wrong.


Any ideas?
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a b U Graphics card
May 6, 2010 9:29:15 PM

btw, the lights all come on and the fans are loud and running at what I think is 100% max speed.

The monitors get no signal from the video card and thus display a blank screen...
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a b U Graphics card
May 6, 2010 9:54:57 PM

This problem is often caused by a faulty stick of RAM. Have you tried booting with each stick of RAM by itself?
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a c 189 U Graphics card
May 7, 2010 1:02:58 AM

Yes, try as shortstuff said above...
Faulty RAM can make this problem exist.
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a b U Graphics card
May 7, 2010 3:35:59 AM

I tested two of my RAM sticks in different slots, no luck.

Blank monitor screen and GPU fans were still spinning at 100%
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a c 376 U Graphics card
May 7, 2010 4:04:54 AM

It could be the hard drive. The exact same thing has happened to me and then years later the same thing happened to my father's computer. The first time I spent hours trying to figure out what was wrong and then tried disconnecting my storage hard drive and then it booted righted up.
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a c 376 U Graphics card
May 7, 2010 4:13:37 AM

Well don't leave us hanging, give us the details on the idiocy :p 
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a b U Graphics card
May 7, 2010 4:14:02 AM

Nvm, it has been solved. It was an amateurish mistake only fitting for a computer newbie...now I feel like a total idiot. >_<

Thanks for all your help though.
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a c 376 U Graphics card
May 7, 2010 4:14:56 AM

lol
How did my post end up ahead of yours?
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a b U Graphics card
May 7, 2010 4:28:47 AM

jyjjy said:
lol
How did my post end up ahead of yours?


lol :whistle: 

jyjjy said:
Well don't leave us hanging, give us the details on the idiocy :p 


It was a power problem. A major power problem.

1. I was using 2 molex power adapters (2 PCIe 6 pins and 4 molex connectors). I only connected three of the connectors... :D 

2. Then I discovered that I had hooked up both my GPUs (the new one and the one with the dead BIOS) to a single line of connectors in my PSU.
I don't know how multi-rail PSUs work, but my PSU has 4x 12v rails, and I suspect it was all loaded up on that poor single rail. :lol: 


In the end, it turns out that one of my GPUs really did have a dead BIOS so monitor #2 wouldn't have worked no matter what. Whereas
all the energy was going to my dead GPU, so my working GPU didn't have enough juice, which prevented monitor #1 from working as well.

Stupid me! :kaola:  :pt1cable: 
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a c 376 U Graphics card
May 7, 2010 4:44:02 AM

That's not even close to some of the idiocy I've seen. You'll have to try harder next time.
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a b U Graphics card
May 7, 2010 5:44:39 AM

Does flashing my Diamond 4890 with an ASUS 4890 BIOS count? My Diamond 4890 is a paper weight at the moment...
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!