User Manual
Turning o your computer
CAUTION: To avoid losing data, save and close all open les and exit all open programs before you turn o your
computer.
1 Turning o your computer (Windows 8.1):
• Using a touch enabled device:
a Swipe in from the right edge of the screen, opening the Charms menu and select Settings.
b
Select and then select Shut down.
or
a
On the Home screen, touch and then select Shut down.
• Using a mouse:
a Point to upper-right corner of the screen and click Settings.
b
Click and then select Shut down.
or
a
On the Home screen, click and then select Shut down.
2 Turning o your computer (Windows 7):
a Click Start .
b Click Shut Down.
or
a Click Start .
b Click the arrow in the lower-right corner of the Start menu, and then click Log o.
3 Ensure that the computer and all attached devices are turned o. If your computer and attached devices did not automatically turn o
when you shut down your operating system, press and hold the power button for about 6 seconds to turn them o.
Before working inside your computer
1 Ensure that your work surface is at and clean to prevent the computer cover from being scratched.
2 Turn o your computer.
3 If the computer is connected to a docking device (docked), undock it.
4 Disconnect all network cables from the computer (if available).
CAUTION
: If your computer has an RJ45 port, disconnect the network cable by rst unplugging the cable from your
computer.
5 Disconnect your computer and all attached devices from their electrical outlets.
6 Open the display.
7 Press and hold the power button for few seconds, to ground the system board.
CAUTION
: To guard against electrical shock unplug your computer from the electrical outlet before performing Step #
8.
CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching
an unpainted metal surface at the same time as touching a connector on the back of the computer.
8 Remove any installed ExpressCards or Smart Cards from the appropriate slots.
8
Working on your computer