I disabled the pci-e zotac/nvidia card. The intergraded display adaptor was not shown on the list, instead only the graphics card is shown in the device manager, the screen still flickers and nothing...

The psu is 300w, i just read the box of the non-returnable graphics card and discovered that it is compatible with windows 7 or 8, it says nothing about windows 10, so i might have to change the OS...

I found the scource of the problem, it is when i press f2 and f8 till a sceen pops up and says Dell inc. dell optiex 780 along the top blue bar, i go to virtualizon suppot and down a list of three...

I just got a dell optiplex 780 with a nvidia grapihcs card and i get this screen flicker issue when it boots up the monitior turns on and off over and over agian and i cant get anything done. How do...