This section provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that the following conditions exist:
You have read the safety information in the Dell™ Product Information Guide.
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:
Small flat-blade screwdriver
Phillips screwdriver
Small plastic scribe
Flash BIOS update program CD
Turning Off Your Computer
NOTICE: To avoid losing data, save and close any open files and exit any open programs before you turn off
your computer.
Shut down the operating system:
Save and close any open files, exit any open programs, click Start®Shut Down®Shut down.
The computer turns off after the operating system shutdown process finishes.
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, press and hold
the power button for 4 seconds.
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.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
NOTICE: 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.
NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing
that is not authorized by Dell is not covered by your warranty.
NOTICE: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some cables
have a connector with locking tabs; if you are disconnecting this type of cable, press in on the locking tabs before
you disconnect the cable. As you pull connectors apart, keep them evenly aligned to avoid bending any connector
pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and aligned.
NOTICE: To help prevent damage to the computer, perform the following steps before you begin working inside
the computer.
Ensure that the work surface is flat and clean to prevent the computer cover from being scratched.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the
network device.
Disconnect any telephone or network cables from the computer.
Disconnect your computer and all attached devices from their electrical outlets.
Close the display and turn the computer upside-down on a flat work surface.
NOTICE: To help prevent damage to the system board, remove the main battery before working inside the
computer.
Remove the main battery:
Slide the battery-bay latch release on the bottom of the computer.
Remove the battery from the battery bay.
1
battery-bay latch release
2
main battery
Turn the computer top-side up.
Computer Orientation
1
front
2
left
3
back
4
right
Screw Identification
When you are removing and replacing components, print the screw identification chart as a tool to lay out and keep track of the screws. The chart provides the number of screws and their sizes.
