CTRL + ALT + DELETE in sequence make sure you don’t release any of the key until you see this window pop out:
You’ll see the Windows Task Manager, from this application you can actually do a lot:
- Kill applications that hang-up or is just eating too much CPU cycle.
- See how much CPU cycle is your system eating, if it reaches 100% expect your system to be rather hot.
- See how much memory an application is using.
- View a graphical representation of your CPU and network activity.
- See users that are logged on (only true when you have a couple of profiles in your computer).
- Shutdown, reboot or log-off from your computer.
- View all the running applications on your profile and other profiles (if its currently logged on and you have switched to the current profile).