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No video output, despite working components.

Last response: in Systems
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May 7, 2012 12:50:59 AM

I am working on my second homebrew computer, but have hit a rather persistent snag. While the computer appears to boot normally, my graphics card does not send any output to the monitor, even though the CPU, graphics card, and RAM all work when installed in other machines.

Here is my complete system configuration:

1 x GIGABYTE GA-970A-D3 AM3+ AMD 970 SATA 6Gb/s USB 3.0 ATX AMD Motherboard
* 1 x SAPPHIRE Radeon HD 6850 1GB 256-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card with Eyefinity (100315L)
* 1 x Rosewill BRONZE Series RBR1000-M 1000W Continuous@40°C, 80Plus Bronze Certified,Modular Cable Design,Active PFC"Compatible with Core i7, i5" Power Supply
* 1 x AMD Phenom II X6 1090T Black Edition Thuban 3.2GHz Socket AM3 125W Six-Core Desktop Processor HDT90ZFBGRBOX
* 1 x Western Digital Caviar Black WDBAAZ0020HNC-NRSN 2TB 7200 RPM SATA 3.5" Internal Hard Drive
* 2 x CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1866 (PC3 15000) Desktop Memory Model CMZ8GX3M2A1866C9B
* 4 x OCZ Vertex Series OCZSSD2-1VTX30GXXX 2.5" 30GB SATA II MLC Internal Solid State Drive (SSD)
* 1 x BYTECC 5 Ports USB 2.0 PCI Controller Card Model BT-U2-410V
a c 118 B Homebuilt system
May 7, 2012 12:56:10 AM

I'm going to take a stab in the dark and say the problem is you don't have the right motherboard.

You have an FM1 socket motherboard which is for the Llano Fushion APUs..While the CPU physically fits, it is not compatible.

You need an AM3 or AM3+ socket motherboard for the Phenom II 1090T. The video doesn't work because its looking for the onboard video of a Llano APU which the Phenom II doesn't have.

BTW, where did you manage for find a 1090T, they're hard to find these days.
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Anonymous
May 7, 2012 1:02:54 AM

:lol: 

@nekulturny
Are you like on here 24/7 solving everyone ones problems??? :o 
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May 7, 2012 1:13:06 AM

nekulturny said:
I'm going to take a stab in the dark and say the problem is you don't have the right motherboard.

You have an FM1 socket motherboard which is for the Llano Fushion APUs..While the CPU physically fits, it is not compatible.

You need an AM3 or AM3+ socket motherboard for the Phenom II 1090T. The video doesn't work because its looking for the onboard video of a Llano APU which the Phenom II doesn't have.

BTW, where did you manage for find a 1090T, they're hard to find these days.

try newegg brah or amazon?
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a c 118 B Homebuilt system
May 7, 2012 1:18:26 AM

Anonymous said:
:lol: 

@nekulturny
Are you like on here 24/7 solving everyone ones problems??? :o 



When I'm bored yes. Welcome to the wonderful world of being laid off. :pt1cable: 
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Anonymous
May 7, 2012 1:22:03 AM

That sucks. :cry: 
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May 7, 2012 1:49:29 AM

Ah, crap; this is back from when I had the wrong motherboard. <updates system config file>

I have another one now; I have updated the original post as well.

1 x GIGABYTE GA-970A-D3 AM3+ AMD 970 SATA 6Gb/s USB 3.0 ATX AMD Motherboard

And yeah, I got my 1090T from Newegg. Great CPU, IMO.
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May 7, 2012 2:01:51 AM

does the problem still persist?
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May 7, 2012 1:28:48 PM

Yes; I have the system assembled with a new mobo but the problem is still going on. I changed the motherboard at spring break (bloody school keeping me and my computers apart), but no improvement in functionality.
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a c 118 B Homebuilt system
May 7, 2012 3:44:47 PM

I'd wonder if you got a defective motherboard. You say all of the parts work when installed on another motherboard, which begs the question.. have you tried another motherboard? And just for the hell of it try the other PCI-e slot?
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a b B Homebuilt system
May 7, 2012 5:09:52 PM

Hi there,

Check the power for the graphics card, make sure its plugged in.
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