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No video on boot - hd4890

Forum Graphic & Displays : Graphics Cards - No video on boot - hd4890

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jimlenz   08-13-2009 at 05:05:22 PM

I just built my first htpc and am booting for the first time. I have the computer connected via hdmi to the hd4890. For some reason nothing is showing on the screen when I boot. the card is running, the motherboard is on, everything else seems on and connected correctly. Any suggestions on what I should do? Thanks

Jim

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carickw   08-13-2009 at 05:07:58 PM

does your mobo have onboard video? if it does, plug your monitor into that, go into bios and disable it, then plug into your video card and try again

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jimlenz   08-13-2009 at 05:13:04 PM

carickw wrote :

does your mobo have onboard video? if it does, plug your monitor into that, go into bios and disable it, then plug into your video card and try again



No, I have a gigabyte ex58-ud5 so I dont believe it has any onboard video.

JL

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shortstuff_mt   08-13-2009 at 09:03:19 PM

This checklist has a lot of troubleshooting ideas to help diagnose no video output problems. It's likely you'll find the cause of your problem if you perform each step in the checklist.

 

http://www.tomshardware.com/forum/ [...] t-problems

 

#2 on the checklist is the most common problem.

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Message edited by shortstuff_mt on 08-13-2009 at 09:03:40 PM
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jimlenz   08-13-2009 at 09:24:40 PM

shortstuff_mt wrote :

This checklist has a lot of troubleshooting ideas to help diagnose no video output problems. It's likely you'll find the cause of your problem if you perform each step in the checklist.

http://www.tomshardware.com/forum/ [...] t-problems

#2 on the checklist is the most common problem.



Thanks for the great feedback. I looked at number two and dont see a spot on my mobo for a cpu power?

http://www.gigabyte.us/Support/Mot [...] uctID=2961

I do have the psu power hooked up, do you see anything on the board?

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shortstuff_mt   08-13-2009 at 09:48:03 PM

Yes, the 8-pin CPU power connector is located near one of the heatsinks that says Gigabyte on it. It's at the upper-left corner of the board when it's installed into the system. It will also be clearly labeled on the motherboard diagram in the owners manual.

 

It's labeled "ATX_12V_2X" on page 7 of your manual.

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Message edited by shortstuff_mt on 08-13-2009 at 09:55:55 PM
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jimlenz   08-13-2009 at 10:08:14 PM

shortstuff_mt wrote :

Yes, the 8-pin CPU power connector is located near one of the heatsinks that says Gigabyte on it. It's at the upper-left corner of the board when it's installed into the system. It will also be clearly labeled on the motherboard diagram in the owners manual.

It's labeled "ATX_12V_2X" on page 7 of your manual.




Okay, I see that. The problem is I don't see any wires that would go in there. Where would the wire be located. I looked and there is nothing from the cpu. The PSU is plugged into the power supply. Any thoughts on where this connector would be located?

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carickw   08-13-2009 at 10:14:25 PM

"The PSU is plugged into the power supply" ?? You should have either an 8pin or 2x4pin connector coming from your power supply that will plug there, just make sure you have all the pins oriented correctly.

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shortstuff_mt   08-13-2009 at 10:14:52 PM

There will be either a 4-pin or 8-pin CPU power plug on the power supply. It should be labeled something like "12v ATX" or "CPU power". What power supply do you have?

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jimlenz   08-13-2009 at 10:24:51 PM

I think I found it, there was an 8 pin connector from the psu that connected to the mobo. That was one problem. I still need to get the dvi cable as i only have hdmi right now and understand that wont work until i get everything setup.

Thanks

Jim

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jimlenz   08-13-2009 at 10:25:31 PM

shortstuff_mt wrote :

There will be either a 4-pin or 8-pin CPU power plug on the power supply. It should be labeled something like "12v ATX" or "CPU power". What power supply do you have?



I have a corsair 750x. There was only one with the 8 pins, so that is the one I used. I didnt see it marked though

Jim

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