Building new computer and the monitor isn't responding

Jvh8990 used Ask the Experts™
I put together a new computer for the first time, and I've gotten every thing put together (at least I think so) but when I hook up my Hanns.G HG281DPB 28"LCD Monitor to my Sapphire Radeon HD4870 X2 it says it can find a signal.
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Very nice, I like the card!
Check that you have the power plugged in to the 4870 x2. This size video card needs an 8Pin and a 6Pin power connecter plugged directly into it.
Make sure not to plug in the 8pin CPU power into the video card, the power cables for the video card should be labeled PCI-E or something like that, if they are not check every cable on the power supply and make sure you are using the right ones.

Also make sure you plug the monitor into the video card and not the on-board graphics if you have it.

Let me know how you go if this does not fix the issues let me know:
Mainboard, RAM you are using and does the computer post (start up and beep), does a different monitor work?.
Systems probably not posting. Make sure all the power connections to the motherboard(24pin plus either a 8-pin or 4-pin depending on the motherboard) and video card( 1 8-pin and 1 6-pin pci-e connector). If thats all connected correctly post the specs of the system including make and model of cpu, motherboard, cpu, psu, and memory.


OK  "smart guy" here didnt plug all the power connectors into the card... Thank you both for the quick response.
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Unplug everything.  reseat the ram, If the machine has a onboard video remove the video card and use that.  If that gets it up and running add the video card see if it still runs. Keep plugging things one at a time like hard drive cd etc.
Nevermind :P
Nevermind :P
You're welcome.


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