Sony :: Windows 7 On Vaio ZProcedure

1 - Download original drivers and utilities from VAIO support and unpack everything in your USB key
2 - Install Windows 7 from DVD
3 - Create on your desktop a directory called "All drivers" and copy usbpen content inside
4 - Goto Control PanelAll Control Panel ItemsWindows Update and select Check for updates (install everything except Nvidia)
5 - Goto Control PanelSystem and SecuritySystem and select device manager
6 - For each harware component (discovered or undiscovered) right click and select "Update driver software", choose "Browse my computer for driver software" and choose above created directory "All drivers". Let Windows scan alone the subdirectories and install the drivers. Except Nvidia video card !
7 - Don't update component inside "System devices" tree
8 - Install Nvidia drivers using original setup. It may crash at the end, but everytinig is installed
9 - Reboot
10 - Respecting the following order:
1-Sony Programmable IO Control 2-Sony Firmware Extension Parser 3-Sony Shared Library 4-Sony Setting Utility 5-Sony VAIO Event Service 6-VAIO Control Center 7-VAIO Power Management 8-Sony ISB Utility 9-Sony HDD Protection Filter Driver 10-VAIO CAMERA CAPTURE UTILITY 11-VAIO SMART NETWORK 2.1_ 2.1.00.07300 12-PROTECTOR_SUITE_QL_5.6.2.4286 13-WWAN_CONNECTION_MANAGER_2.3.0.630 open each directory and only if it contains a setup file, like setup.exe or install.exe execute it.

11 - Goto Control PanelAll Control Panel ItemsWindows Update and select Check for updates (install everything, never update Nvidia driver, Windows update have a newone but not work)
11 - Reboot the system
12 - Open Vaio Network Utility and turn on WWAN
13 - Windows ask for drivers: as above select "All drivers" directory
14 - Reboot the system

Everything should work, including special keys, stamina swithc and Fn Keys
Tested on 3 VGN-Z21VN without problems.