HP (Hewlett-Packard) C2K79UA#ABA Laptop User Manual


 
If the computer is unresponsive and you are unable to use the preceding shutdown procedures, try
the following emergency procedures in the sequence provided:
Press ctrl+alt+delete, select Power, and then select Shut Down.
Press and hold the power button for at least 5 seconds.
Disconnect the computer from external power.
50 Chapter 6 Managing power