Removing The Computer Cover; Before You Begin - Dell OptiPlex 740 Guía De Referencia Rápida

6 line-in connector
7 USB 2.0 connectors (5)
8 video connector
9 serial connector

Removing the Computer Cover

CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
CAUTION:
To guard against electrical shock, always unplug your computer from the electrical outlet before
removing the cover.

Before You Begin

NOTICE:
To avoid losing data, save and close any open files and exit any open programs before you turn off your
computer.
1 Shut down the operating system:
Save and close any open files, exit any open programs, click the Start button, and then click Shut
a
Down.
In the Shut Down window, select the Shut Down option from the drop-menu and then click OK.
b
The computer turns off after the operating system shutdown process finishes.
2 Ensure that the computer and any attached devices are turned off. If your computer and attached
devices did not automatically turn off when you shut down your operating system, turn them off now.
Before Working Inside Your Computer
Use the following safety guidelines to help protect your computer from potential damage and to help
ensure your own personal safety.
All manuals and user guides at all-guides.com
Use the line-in connector to attach a record/playback device such as a cassette
player, CD player, or VCR.
On computers with a sound card, use the connector on the card.
Use the back USB connectors for devices that typically remain connected, such as
printers and keyboards.
Plug the cable from your VGA-compatible monitor into the blue connector.
NOTE:
If you purchased an optional graphics card, this connector will be covered
by a cap. Do not remove the cap. Connect your monitor to the connector on the
graphics card.
NOTE:
If you are using a graphics card that supports dual monitors, use the y-cable
that came with your computer.
Connect a serial device, such as a handheld device, to the serial port. The default
designations are COM1 for serial connector 1 and COM2 for serial connector 2.
NOTE:
There is only a serial connector 2 if the optional PS2/serial adapter is used.
For more information, see "System Setup" in your online User's Guide for
instructions.
Quick Reference Guide
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