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Before You Begin Dell™OptiPlex™GX60SystemsUser'sGuide
Recommended Tools
Shutting Down Your Computer
This section provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that the
following conditions exist:
lYou have performed the steps in "Shutting Down Your Computer."
lYou have read the safety instructions.
Recommended Tools
The procedures in this document may require the following tools:
lSmall flat-blade screwdriver
lPhillips screwdriver
lFlash BIOS update program floppy disk or CD
Shutting Down Your Computer
Use the following safety guidelines to help protect your computer from potential damage and to ensure your own personal safety.
1. Shut down the computer.
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 computer, turn them off now.
3. Disconnect any telephone or telecommunication lines from the computer.
4. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.
5. Remove the computer stand, if it is attached.
6. Open the computer cover (see the index for links to instructions to open your computer cover).
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CAUTION: Before you begin any of the procedures in this section, follow the safety instructions.
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 processor 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.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the
computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.