Dell M3800 owner manual Turning off Your Computer, After Working Inside Your Computer

CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device.

4.Disconnect all network cables from the computer.

5.Disconnect your computer and all attached devices from their electrical outlets.

6.Close the display and turn the computer upside-down on a flat work surface.

NOTE: To avoid damaging the system board, you must remove the main battery before you service the computer.

7.Remove the main battery.

8.Turn the computer top-side up.

9.Open the display.

10.Press the power button to ground the system board.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the display.

CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate static electricity, which could harm internal components.

11.Remove any installed ExpressCards or Smart Cards from the appropriate slots.

Turning off Your Computer

CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer.

You can turn off your computer in two ways :

1.Using the power button

2.Using the charms menu

Using power button

1.Press and hold the Power button to turn off the screen.

Using charms

1.Swipe from the right edge of the display to access the Charms menu.

2.Touch Settings —> Power —> Shut down to turn off the computer.

After Working Inside Your Computer

After you complete any replacement procedure, ensure you connect any external devices, cards, and cables before turning on your computer.

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