w w w . d e l l . c o m s u p p o r t . d e l l . c o m
Before You Begin
This section provides procedures for removing and replacing the components. Unless otherwise noted, each procedure assumes that the following conditions exist:
•You have performed the steps in "Precautionary Measures" (see page 68).
•You have read the safety information on page 9.
•You have opened the computer cover.
Recommended Tools
Your computer is primarily a
•Small
•#1 and #2
•An
It is recommended that you use a wrist grounding strap as explained in "Precautionary Measures" (see page 68).
Precautionary Measures
Use the following safety guidelines to help protect your computer from potential damage and to ensure your own personal safety.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions on page 9.
CAUTION: Do not attempt to service the computer yourself, except as explained in your online Dell™ documentation or in instructions otherwise provided to you by Dell. Always follow installation and service instructions closely.
NOTICE: To help avoid possible damage to the system board, wait 5 seconds (or wait until the standby light is extinguished) after turning off the computer and unplugging the power cable before removing a component from the system board or disconnecting a device from the computer.
Before you start to work on the computer, perform the following steps in the sequence listed:
1Shut down the computer through the Start menu.
2Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your computer, turn them off now.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
3Disconnect any telephone or telecommunication lines from the computer.
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