Is the computer turned on, but is not
responding?
If the computer is turned on, but is not responding to software
applications or keyboard commands, try first to shut down the
computer through the operating system by selecting Start > Turn
Off Computer > Turn Off. (If you have been registered to a
domain, the button you click will be called Shut Down instead of
Turn Off Computer.)
If the computer remains unresponsive, try the emergency
shutdown procedures in the following sequence:
1. If the computer is in Windows, press
select Shut Down > Turn Off.
2. If you cannot shut down the computer by using
ctrl+alt+delete
5 seconds.
3. If you cannot shut down the computer by using the power
button, unplug the computer from external power and remove
the battery pack.
✎
If you cannot turn the computer back on after shutting it down,
refer to
Getting Started
, press and hold the power button for at least
"Is the computer unable to start
Troubleshooting
ctrl+alt+delete
up?"
. Then,
3–5