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 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 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).

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 page 81.

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 jack.

4 Disconnect any telephone or network cables from the computer.

^^ NOTICE: To avoid damaging the system board, you must remove the main battery before you service the computer.

5 Disconnect your computer and all attached devices from their electrical outlets, slide and hold the battery-bay latch release on the bottom of the computer, and then remove the battery from the bay.

6 Remove the optical drive, if installed, from the optical drive bay. See "Optical Drive" on page 97.

7 Press the power button to ground the system board.

8 Remove any installed PC Cards from the PC Card slot.

9 Close the display and turn the computer upside down on a flat work surface. 10 Remove the hard drive. See the following subsection, "Hard Drive."

The Ultimate Computer Repair Guide

The Ultimate Computer Repair Guide

Read how to maintain and repair any desktop and laptop computer. This Ebook has articles with photos and videos that show detailed step by step pc repair and maintenance procedures. There are many links to online videos that explain how you can build, maintain, speed up, clean, and repair your computer yourself. Put the money that you were going to pay the PC Tech in your own pocket.

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