My system is:Mother board: MSI Z97Ram: 14.0GBPSU: 600WGraphics Card: NVIDIA Geforce GTX 970Processor: intel i5 4690k

[catwithoutclaws1]

GTX 970 not showing up in device manager/Drivers not installing

 

[alexoiu]

If the monitor is connected to the onboard (not to the graphics card) and you're getting signal although the card is installed, it means that the card is not powered (PCIe power cables not connected).