I've got a lenovo w500 that was working fine with windows 7 rc. Now, when it is docked with an external monitor connected, it boots fine. when there is not monitor connected, it seems to boot, but with no video on the notebook's screen. When it is docked, I do get video on the notebook screen...
bootbootprofiles
display issues
docking station
external monitor
graphics
hardware
laptop
lenovo
monitor
screen
tech support
troubleshooting
video
w500
windows 7