Dell Latitude D820 Technical Manual page 77

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
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then
unplug it from the network wall connector.
3. Disconnect any telephone or network cables from the computer.
4. Disconnect your computer and all attached devices from their electrical outlets.
NOTICE: To avoid damaging the system board, you must remove the main battery before you
service the computer.
5. Remove the battery (see
6. Press the power button to ground the system board.
7. Remove any installed ExpressCards or PC Cards (see
Hard Drive
CAUTION: If you remove the hard drive from the computer when the drive is hot, do not
touch the metal housing of the hard drive.
CAUTION: Before you begin any of the procedures in this section, follow the safety
instructions in the Product Information Guide.
NOTICE: To prevent data loss, turn off your computer before removing the hard drive. Do not
remove the hard drive while the computer is turned on, in standby mode, or in hibernate mode.
NOTICE: Hard drives are extremely fragile; even a slight bump can damage the drive.
NOTE: Dell does not guarantee compatibility or provide support for hard drives from sources
other than Dell.
NOTE: If you are installing a hard drive from a source other than Dell, you need to install an
operating system, drivers, and utilities on the new hard drive.
To replace the hard drive in the hard drive bay:
Turning Off Your Computer).
Replacing the Battery).
Removing a Card or Blank).