Ubuntu 18.04 don't recognize RTX 2070 and audio,ethernet

I’m a Ubuntu newbie, I’ve to install Ubuntu 18.04 but it didn’t recognize my GPU, audio and ethernet.
My resolution stuck at 640x480(4:3) Unknown Display, sudo lshw -C video return product :NVIDIA Corporation
OS Details : Graphics : llvmpipe(LLVM 6.0)
Anyone have same problem ?
Please help, I spent 2 days straight but still nothing improve :(

Please run nvidia-bug-report.sh as root and attach the resulting .gz file to your post. Hovering the mouse over an existing post of yours will reveal a paperclip icon.