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Select "Yes", the device is turned off. All data in the system cache will be cleared.
You can turn the device back on by pressing and holding down the power key.
Change date and time
Click “date/time” in the Control Panel or double-click the time on the taskbar area,
to go to the "date/time properties" dialog box.
Click on the "time zone" drop-down
list to select your time zone. When
done, please click “apply” in the lower
right corner of the dialog box to save
your settings.