1. go to power options in control panel
2. go to left side options in what does power button do
3. click on the link "change settings which are currently unavailable"
4. uncheck fast startup option recommended by windows
5. save changes
6. try to shut down now
fast startup---- it just shuts down the computer and remove power from essential components like hdd, ram, cd rom, cpu
but doesnt turn off lights to lower boot time...