matthewbolzicco Posted January 4, 2006 Posted January 4, 2006 Hey all I just switched from an ASUS A8N-SLI deluxe to a DFI NF4 Ultra-d mobo and swapped everything in the rig find, but the system will only boot up when the wiring is not connected to the molex connector on the raedeon x800 pro im also running. When only one of the power connectors is on the molex it will boot up, and ill get all my fans going but still wont display a picture to my monitor, if i connect both of the power wise to the molex than the system will only display a red flash in the bottom right of the mother board for 1/2 a second, and not boot up. I am running an Antec 550W powersupply which leaves me lost as to what could be causing this problem. Matt Quote Share this post Link to post Share on other sites More sharing options...
tbone2sk Posted January 4, 2006 Posted January 4, 2006 do you have the all 4 of the power connectors 24pin, 4pin square, 4 pin molex, 4pin floppy? Quote Share this post Link to post Share on other sites More sharing options...
matthewbolzicco Posted January 4, 2006 Posted January 4, 2006 do you have the all 4 of the power connectors 24pin, 4pin square, 4 pin molex, 4pin floppy? 610425[/snapback] i have the 24 pin, 4 pin square, 6 pin molex for my card and 4 pin floppy yes. Quote Share this post Link to post Share on other sites More sharing options...
BTSchnarfy Posted January 4, 2006 Posted January 4, 2006 Is the molex that you connected to your video card shared with anything else? Because as power hungry as GPU's are, they need their own, clean line of power. Quote Share this post Link to post Share on other sites More sharing options...
Dngrsone Posted January 4, 2006 Posted January 4, 2006 What is the amperage rating of your 12v rail? You want to have at least 16a, 18a would be better. Quote Share this post Link to post Share on other sites More sharing options...
LucifersMagician Posted January 9, 2006 Posted January 9, 2006 hey, Psychotic_Gd was having this same problem with his Nvidia 7800 Gtx or whatever the 512mb and we fixed it by rebooting like 10 times... maybe needed a power surge or somethign to kick in... also the card never even seemed to be heating up at all.. so.... Quote Share this post Link to post Share on other sites More sharing options...
suchuwato Posted January 9, 2006 Posted January 9, 2006 reset the cmos, then boot up without the card, then try again with it in. Quote Share this post Link to post Share on other sites More sharing options...
bigred Posted January 9, 2006 Posted January 9, 2006 motherboard questions go in the motherboard section Quote Share this post Link to post Share on other sites More sharing options...
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