Dell Latitude X300 Service Manual page 5

Before You Begin: Dell Latitude X300 Service Manual
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.
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 microprocessor by its edges, not by its pins.
NOTICE: When you disconnect a cable, pull on its connector or on its strain-relief loop, 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. Shut down the computer.
3. 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 computer, press and
hold the power button for 4 seconds.
4. If the computer is connected to a media base (docked), undock it. See the documentation that
came with your media base for instructions.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then
unplug it from the network wall jack.
5. Disconnect any telephone or telecommunication lines from the computer.
6. Disconnect your computer and all attached devices from their electrical outlets, and then press
the power button to ground the system board.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then
plug it into the computer.
7. Remove any installed PC Cards from the PC Card slot.
8. Remove any installed Secure Digital memory card from the Secure Digital memory slot.
9. Close the display and turn the computer upside down on a flat work surface.
NOTICE: To avoid damaging the system board, you must remove the main battery before you
service the computer.
10. Slide and hold the battery-bay latch release on the bottom of the computer, and then remove
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