Dell Vostro 3900 Dell Vostro V 3900 Mini-Tower Owners Manual - Page 6

Recommended Tools, Turning Off Your Computer, Shut Down.

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3. Disconnect all network cables from the computer. 4. Disconnect your computer and all attached devices from their electrical outlets. 5. Press and hold the power button while the computer is unplugged to ground the system board. 6. Remove the cover. 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. Recommended Tools The procedures in this document may require the following tools: • Small flat-blade screwdriver • Phillips screwdriver • Small plastic scribe 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. 1. Shut down the operating system: - In Windows 8: * Using a touch-enabled device: a. Swipe in from the right edge of the screen, opening the Charms menu and select Settings. b. Select the * Using a mouse: and then select Shut down a. Point to upper-right corner of the screen and click Settings. b. Click the - In Windows 7: and select Shut down. 1. Click Start . 2. Click Shut Down. or 1. Click Start . 6

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3.
Disconnect all network cables from the computer.
4.
Disconnect your computer and all attached devices from their electrical outlets.
5.
Press and hold the power button while the computer is unplugged to ground the system board.
6.
Remove the cover.
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.
Recommended Tools
The procedures in this document may require the following tools:
•
Small flat-blade screwdriver
•
Phillips screwdriver
•
Small plastic scribe
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.
1.
Shut down the operating system:
–
In Windows 8:
*
Using a touch-enabled device:
a.
Swipe in from the right edge of the screen, opening the Charms menu and select
Settings
.
b.
Select the
and then select
Shut down
*
Using a mouse:
a.
Point to upper-right corner of the screen and click
Settings
.
b.
Click the
and select
Shut down
.
–
In Windows 7:
1.
Click
Start
.
2.
Click
Shut Down.
or
1.
Click
Start
.
6