You can use the Boot tab of MSConfig to find out if the computer is using a dual boot configuration.
In run dialog box type msconfig start // run // msconfig
Go to msconfig in the run command and deselect it
MSCONFIG allows you to disable tasks that are not needed that start when you get into windows. By doing this you decrease the amount of processing needed to do important tasks thus allowing your computer to run smoother. You can also access boot options from MSCONFIG as well allowing you to go into safe mode the next time you restart as an example.
boot to Last Known Good Configuration
boot to Last Known Good Configuration
1. Switch ON the computer. 2. Press F2 3. Select the drive you're using to boot.
i need to reboot my computer lost all configuration and lost CD
That would be using the menu system to restart the computer. A shut down is a cool boot.
Warm
If you restart it in the menu with the mouse or keyboard then it's a "Soft" or normal reboot. If you have to restart with the power button (or restart button on older Macs) on the side of computer case then its a "Hard" reboot.
Boot Configuration Data (BCD)
what is computer boot sector