HP ProBook 6550b HP ProBook User Guide - Windows XP - Page 87
Shut Down, Turn Off, Disconnect the computer from external power and remove the battery.
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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. Then, select Shut Down > Turn Off. ● Press and hold the power button for at least 5 seconds. ● Disconnect the computer from external power and remove the battery. Shutting down the computer 77
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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
. Then, select
Shut Down
>
Turn Off
.
●
Press and hold the power button for at least 5 seconds.
●
Disconnect the computer from external power and remove the battery.
Shutting down the computer
77