Hello, I have a new MSI R7770 PCI-E 1GB graphics card in a new computer: ASRock Z77 OC Formula mb, Intel i3770k CPU, 4x4Gb Patriot RAM, OCZ CX630 power supply, OSZ 90GB Agility 3 SSD, no overclocking, Windows 7 SP1 Enterprise x64 OS, all motherboard drivers and OS updates installed, latest mb BIOS version. Graphic adapter works fine as Standard VGA adapter with 1920x1200 resolution on 24" Dell monitor through HDMI connection, but after latest video driver v9.012 from MSI or AMD site installation, OS does not boot into the desktop screen, it is stuck displaying Windows logo during boot. I have contacted VGA manufacturer MSI support, they performed troubleshooting session over the phone and discovered no problems with this brand new video card. Could you please advice me how to install the proper latest manufacturer's video driver? Are there any settings I could possibly change in BIOS or Windows 7 to make Windows start successfully?