Compaq Presario CQ42-400 Notebook PC User Guide - Windows 7 - Page 81
Disconnect the computer from external power, and then remove the battery.
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If the computer is unresponsive and you are unable to use the preceding shut down procedures, try the following emergency procedures in the sequence provided: ● Press ctrl+alt+delete, and then click the Power button. ● Press and hold the power button for at least 5 seconds. ● Disconnect the computer from external power, and then remove the battery. Shutting down the computer 71
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If the computer is unresponsive and you are unable to use the preceding shut down procedures, try the
following emergency procedures in the sequence provided:
●
Press
ctrl+alt+delete
, and then click the
Power
button.
●
Press and hold the power button for at least 5 seconds.
●
Disconnect the computer from external power, and then remove the battery.
Shutting down the computer
71