Question GTX 1070TI Black Screen after driver install

Aug 18, 2020
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Hi, I just bought Z440 workstation with Xeon 2695 v3 and GTX 1070 TI
I installed fresh windows 10 and my new dell monitor worked perfectly (with low res)
So I downloaded the drivers and installed them, then the screen turned black, I tried other cables and the other (same model) monitor and it didnt work.
So I used my old monitors (view sonic and old dell) and both of them worked together with the new drivers and when I try to unplug the old monitor and plug a new one it keeps connecting and showing up for a second and unplugs and disappears.
I tried to connect them using dvi and display port and no luck.
Any suggestions?
Sorry for my bad English.
 

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