Dell Precision 220 Uživatelský manuál stáhnout pdf (Strana 51)

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InternalComponents:DellPrecision™WorkStation220SystemUser'sGuide

Overview

This section provides troubleshooting procedures for components inside your computer. Before you start any of the procedures in this section, do

the following:

l Perform the procedures described in "Checking Connections and Switches" and "System Setup."

l Read the safety instructions in "Safety First—For You and Your Computer."

You need the following items to perform the procedures in this section:

l A copy of the Dell Precision ResourceCD

l A small flat-blade screwdriver and a #1 Phillips-head screwdriver (or quarter-inch hex-nut driver)

Your system also includes an interior system service label affixed to the inside of the computer cover (see Figure 1 and Figure 2 for the location of

this label on the mini tower and desktop chassis, respectively). Refer to this label for the location of system board components and connectors

while troubleshooting your system.

Figure 1. Mini Tower Chassis Interior Service Label

Figure 2. Desktop Chassis Interior Service Label

Troubleshooting a Wet Computer

Liquids can damage your computer. While you are not likely to submerge your computer, spills, splashes, and excessive humidity can also cause

Overview

Troubleshooting System Memory

Troubleshooting a Wet Computer

Troubleshooting the Video Subsystem

Troubleshooting a Damaged Computer

Troubleshooting the System Board

Troubleshooting the Battery

Troubleshooting a Dead System Board With the RTCRST

Jumper

Troubleshooting Expansion Cards

Troubleshooting Drives

Left side cover

Inside of cover

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Dell Precision 220 Uživatelský manuál Strana 51