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Before You Begin
Dell Precision ™ M2300 Service Manual
Recommended Tools
Turning Off Your Computer
Before Working Inside Your Computer
This section provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that the
following conditions exist:
l
You have performed the steps in
Turning Off Your Computer
.
l
You have read the safety information in the Dell™
Product Information Guide.
l
A component can be replaced or
—
if purchased separately
—
installed by performing the removal procedure in reverse order.
Recommended Tools
The procedures in this document may require the following tools:
l
Small flat-blade screwdriver
l
Phillips screwdriver
l
Small plastic scribe
l
5-mm hex nut driver
l
Flash BIOS update program CD
l
Processor extraction tool
Turning Off Your Computer
1.
Shut down the operating system:
a.
Save and close all open files and exit all open programs.
b.
In the Microsoft
®
Windows
®
XP operating system
, click
Start
®
Shut Down
®
Shut down
.
In Microsoft
®
Windows Vista™,
click the Windows Vista Start button
in the lower-left corner of the desktop, click the arrow in the lower-right
corner of the Start menu as shown below, and then click
Shut Down
.
The computer turns off after the operating system shutdown process is complete.
2.
Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut
down your operating system, press and hold the power button for about 4 seconds to turn them off.
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.
NOTE:
The appearance of your computer may vary slightly from the model shown in this document
NOTE:
PC Card is not a bootable device.
NOTICE:
To avoid losing data, save and close all open files and exit all open programs before you turn off your computer.
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the Dell™ Product Information Guide.
CAUTION:
Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by its edges or by its metal
mounting bracket. Hold a component such as a processor by its edges, not by its pins.
CAUTION:
To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal
surface, such as a connector on the back of the computer.