Dell Inspiron 300m - Manual (Page 36)

If Your Computer Stops Responding
If Your Computer Stops Responding
If a Program Stops Responding
If your computer does not respond to keyboard, mouse, touch pad, or track stick commands:
1. Press and hold the power button for at least 8 to 10 seconds until the computer turns off.
2. After the computer turns off, press the power button again to turn on the computer.
If a Program Stops Responding
1. Press <Ctrl><Shift><Esc> simultaneously.
2. Click the Applications tab and select the program that is no longer responding.
3. Click End Task.
NOTICE: To avoid losing data, turn off your computer by performing a Microsoft ® Windows ® operating system shutdown through the Start menu rather
than by pressing the power button.