Dell Precision 420 Bedienungsanleitung PDF herunterladen (Seite 7)

Expansion-Card Guide

Figure 8. Expansion-Card Guide Removal

To remove the expansion-card guide, perform the following steps:

1. Remove the hard-disk drive bracket.

2. Face the computer from the front.

From the outside of the chassis, press in with your fingers on the two tabs on the left side of the expansion-card guide (see Figure8). This

will release the left tabs of the card guide from the chassis.

3. Rotate the released side of the card guide away from the chassis.

The left side of the card guide will swing away from the chassis. With the left side of the card guide away from the chassis, you can then pull

the card guide back and out of the chassis, which releases the two right tabs.

Control Panel

Figure 9. Control Panel Removal

To remove the control panel, perform the following steps:

NOTE: If a setup password has been assigned by someone else, contact your network administrator for information on resetting

the chassis intrusion detector.

Left tabs (2)

Right tabs (2)

Thermal sensor cable

Control panel cable

Screw

Speaker cable

Chassis intrusion switch

cable

Control panel

Alignment hole

Guide pin

CAUTION: Before you remove the computer cover, see "Precautionary Measures"

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Dell Precision 420 Bedienungsanleitung Seite 7