What is the matter with my pc

Pcnoob1123

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Sep 27, 2015
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I just installed everything in a bigger case and it used to have intel hd bur now it has a gtx 560 ti i plugged my monitor in the motherboard dvi slot. All the leds and on off buttons work so is the psu gpu and cpu cooler but it wont display anthing on my monitor please help? Also i did not installed driver for the gpu yet