Windows 8 installed on Lenovo W520 – Finally

Well, I finally got around to figuring out why I could not install the Windows 8 Release Preview on my Lenovo ThinkPad W520.  Every time I went to install the OS it would hang during boot.  That issue turned out to be that I needed to install on a GPT disk using the UEFI bios.

Before doing that I installed the latest bios from the Lenovo site.

After upgrading the Bios and backing up the little data I wanted to save, I proceeded to install the OS.  I went through the boot process fine, installed the installation files reboot and then hung at 90% when configuring devices.  After fiddling with the video driver settings Optimus, Integrated and Discrete, I tired disabling the wireless card and the install completed successfully.

After the installation was complete, I installed the Lenovo Windows 8 beta drivers turned the wireless adapter back on, crossed my fingers and rebooted and I am finally running Windows 8 on my Lenovo W520!

lenovowin8_2-624x455

Update:  After installing all the Windows 8 drivers there was one unknown device.  Turns out it was the ThinkPad Power Management Device.  I downloaded the Windows 7 driver from the Lenovo site and everything seems good.