Dell 210L manual Mini Tower Computer

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.

To avoid damaging the computer, perform the following steps before you begin working inside the computer.

1Turn off your computer.

NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.

2Disconnect any telephone or telecommunication lines from the computer.

3Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.

4Remove the cable cover, if it is attached.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.

5Remove the computer cover:

•Remove the Mini Computer cover (see "Mini Tower Computer" on page 17).

•Remove the Desktop Computer cover (see "Desktop Computer" on page 23).

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.

Mini Tower Computer

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the computer cover.

1Follow the procedures in "Before You Begin" on page 16.

2Lay the computer on its side.

3Slide the cover release latch back as you lift the cover.

4Grip the sides of the computer cover and pivot the cover up using the hinge tabs as leverage points.

5Remove the cover from the hinge tabs and set it aside on a soft nonabrasive surface.

Quick Reference Guide

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