scarlier Posted July 28, 2009 Share Posted July 28, 2009 Hi, As seen in my system specs i have just bought 2 vapor-x cards. When i connect the card(s) with 1x6pin and 1x8pin i can rarely boot. when i start my computer the videocard cooling is spinning 100% and i don't see any screen. after many many shutdowns the fans are spinning normal and i have a screen and even can normaly boot into windows i can do everything i want. if i restart the computer everything still work as it should be. But when i shutdown the computer the fun begins again.. so i have a feeling it is a coldboot problem my question is can it be a powersupply problem? Link to comment Share on other sites More sharing options...
CTUEdger Posted July 28, 2009 Share Posted July 28, 2009 Hello Scarlier, Have a look at these three threads concerning your Sapphire 4890 Vapor-x: http://forums.amd.com/game/messageview.cfm?catid=260&threadid=116499&enterthread=y http://forums.amd.com/game/messageview.cfm?catid=260&threadid=116405&enterthread=y http://www.vgaforum.com/showthread.php?t=21679 Are you using a DVI or analog VGA connection to your monitor? Have you tried just one card at a time? Your HX750 should be more than enough for your two HD4890 vapor-x cards. Link to comment Share on other sites More sharing options...
scarlier Posted July 28, 2009 Author Share Posted July 28, 2009 Hi ty for the link, unfortunatelyi did saw them and also contacted sapphire about it but they said it should not be happening with my card (based on P/N number) they said that it can be a powersupply. but i did try a spare card 4870 and that didnt give a problem at all. i just wanted to be sure that this powersupply can handle the 2 cards so i know its not a misconfiguration :) and i did try single card with. vga / dvi and hdmi Link to comment Share on other sites More sharing options...
Wired Posted July 28, 2009 Share Posted July 28, 2009 As per the PSU finder (link in the sidebar), it can handle your rig just fine. Link to comment Share on other sites More sharing options...
scarlier Posted July 28, 2009 Author Share Posted July 28, 2009 Ty guys for taking the time :) going to take it to the retailer with all the information i gathered Link to comment Share on other sites More sharing options...
CTUEdger Posted July 28, 2009 Share Posted July 28, 2009 Hello Scarlier, Glad to help. Please let us know what you find out. Link to comment Share on other sites More sharing options...
scarlier Posted July 31, 2009 Author Share Posted July 31, 2009 after long talk with sapphire it didnt seem a videocard problem. so i did go to the retailer and there we testen everypart of the system. it turn out it was the powersupply (corsair 750hx). i have a new one (antec 850w) and everything is running like a train. it seems that powersupply doesnt work well with ati 4890 ty all for the reply's :) Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted July 31, 2009 Corsair Employees Share Posted July 31, 2009 Sorry for the inconvenience. If you still have the PSU, then let's get it replaced, please use the On Line RMA Request Form and we will be happy to replace it. Be sure to check the box that says “I've already spoken to Technical Support and/or RAM Guy.” Link to comment Share on other sites More sharing options...
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