ERAZER X5354 external Graphics card

[willoriker]

I have a ERAZER X5354 my actual bios is  150EMWOX.106

if i power on computer w/o video cable connected, mainbaord begin to beep, but os load up .

BUT IF CONNECT A NEW EXTERNAL GRAPHICS CARD,  same behavior, computer beep and launch OS with out video ( i tried with 2 monitor conected to external e internal graphics card)

why? any idea?

TX in advance

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