Dell Latitude D620 User Guide - Page 40

Before Working Inside Your Computer, NOTICE, CAUTION - repair

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Adding and Replacing Parts: Dell Latitude D620 User's Guide 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: a. Save and close any open files, exit any open programs, click Start→ Shut Down→ Shut down→ OK. 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, 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. 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. 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 avoid damaging the computer, perform the following steps before you begin working inside the computer. 1. Ensure that the work surface is flat and clean to prevent the computer cover from being scratched. 2. Turn off your computer (see Turning Off Your Computer). 3. If the computer is connected to a docking device (docked), undock it. See the documentation that came with your docking device for instructions. NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall connector. 4. Disconnect any telephone or network cables from the computer. 5. Close the display and turn the computer upside down on a flat work surface. file:///S|/Integration%20Specialist/Hardware%20Docu...ation/Kim%20&%20Jay/Dell%20Laptops/D620UG/parts.htm (2 of 24) [12/4/2008 10:54:19 AM]

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Adding and Replacing Parts: Dell Latitude D620 User's Guide
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:
a.
Save and close any open files, exit any open programs, click
Start
→
Shut Down
→
Shut
down
→
OK
.
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, 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
.
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.
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 avoid damaging the computer, perform the following steps before you begin working
inside the computer.
1.
Ensure that the work surface is flat and clean to prevent the computer cover from being scratched.
2.
Turn off your computer (see
Turning Off Your Computer
).
3.
If the computer is connected to a docking device (docked), undock it. See the documentation that
came with your docking device for instructions.
NOTICE:
To disconnect a network cable, first unplug the cable from your computer and then unplug it
from the network wall connector.
4.
Disconnect any telephone or network cables from the computer.
5.
Close the display and turn the computer upside down on a flat work surface.
file:///S|/Integration%20Specialist/Hardware%20Docu...ation/Kim%20&%20Jay/Dell%20Laptops/D620UG/parts.htm (2 of 24) [12/4/2008 10:54:19 AM]