Turning off the power
The power can be turned off in one of the following modes, either Shut
Down Mode, Sleep Mode or Hibernation Mode.
Shut Down Mode
When you turn off the power in Shut Down Mode, no data will be saved
and the computer will boot to the operating system's main screen the next
time it is turned on.
1. If you have entered data, either save it to the Hard Disk Drive or to
other storage media.
2. Make sure all disk/disc activity has stopped before removing the disc.
If you turn off the power while a disk (disc) is being accessed, you may
lose data or damage the disk.
Never turn off the power while an application is running. Doing so
could cause loss of data.
Never turn off the power, disconnect an external storage device or
remove storage media during data read/write. Doing so can cause
data loss.
3. Click the Settings charm.
4. Click Power and then select Shut down.
5. Turn off any peripheral devices connected to your computer.
Do not turn the computer or peripheral devices back on immediately - wait
a short period to avoid any potential damage.
Restarting the computer
Certain conditions require that you reset the computer, for example if:
You change certain computer settings.
An error occurs and the computer does not respond to your keyboard
commands.
If you need to restart the computer, there are three ways this can be
achieved:
In the Settings charm, click Power and then select Restart.
Press CTRL, ALT and DEL simultaneously (once) to display the menu
window, and then select Restart by clicking the power icon ( ) in the
lower-right corner.
Press the power button and hold it down for five seconds. Once the
computer has turned itself off, wait between ten and fifteen seconds
before turning the power on again by pressing the power button.
Qosmio X870/X875 series
User's Manual 2-7