I just bought a new Lenovo Thinkpad T400. This is my 5th Thinkpad. It is a 2767-P1U. It is running Windows 7. I have the Lenovo drivers installed and have upgraded them to the latest available. I have also got Norton Anti-Virus 2011 and Office 2007 Professional. Windows is fully updated as well. The processor is: Core 2Duo T9400 with 2GB Memory. I am having issues getting the machine to shut down from the “Start > Shutdown” command. It continues to the shut down splash screen and has the rotating circle “hourglass” and stays that way. There appears to be little to no hard drive activity and it just sits there. After about 5 minutes of waiting, I am forced to use the actual power button to hard shut down the system. In order to investigate possible causes to this problem I began by determining what programs are running at start up in MSCONFIG. Aside from a few IBM applications, Windows and Norton services nothing seems to be in there that should cause any issues. I checked the Event Viewer and can see that there seems to be some issues with “miniport” drivers from AMD. I thought this may have something to do with the video drivers as they are ATI (now AMD) and removed the extra Catalyst stuff and left the drivers. No change. I removed the Anti-Virus software completely. No Change. I tried disabling the network adapters, including Wireless. No change. One thing is certain. If I start the computer and sign into windows and then immediately click Start>Shutdown, it goes down in 10 seconds. My questions are: Is this a power management driver issue? A video driver issue still? Some other “miniport” issue? Something I can’t see? Does anyone have any insight into what is causing this?