Im having trouble with my dvi to hdmi adapter (getting a new one) but for the time being is there any way to run my hd 4890 card through the onboard hd3300 which is builtinto the motherbord and has a hdmi out.
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You can't run a card through onboard video, especially since they are different chipsets. You can use your 4890 with a DVI to HMDI adapter though. They are only like $5 on Newegg.com.