Dell 5510 (5510-9594) [6/42] Turning off your 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.

CAUTION: To avoid damage to the computer, use only the battery designed for this particular

Dell computer. Do not use batteries designed for other Dell computers.

1. Connect any external devices, such as a port replicator, battery slice, or media base, and replace any

cards, such as an ExpressCard.

2. Connect any telephone or network cables to your computer.