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Lay the system on its side as shown in, Figure 5, Closing the system – Dell PowerEdge SC 420 User Manual

Page 31: Checking the equipment, Troubleshooting the video subsystem, Troubleshooting external connections

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Closing the System

 

1.

Ensure that all cables are connected, and fold cables out of the way.

 

2.

Ensure that no tools or extra parts are left inside the system.

 

3.

Close the system cover.

a.

 

Rotate the cover down. See

Figure 5

-1

.

b.

 

Press down on the cover until the cover release latches are fully engaged.

 

4.

If applicable, install the padlock.

 

5.

Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

After you open and close the cover, the chassis intrusion detector, if enabled, causes the following message to appear on the screen at the next
computer start-up:

ALERT! Cover was previously removed.

 

6.

To reset the chassis intrusion detector, press . See your User's Guide for details.

 

Figure 5-1. Opening and Closing the System

 

Checking the Equipment

This section provides troubleshooting procedures for external devices attached to the system, such as the monitor, keyboard, or mouse. Before you perform
any of the procedures, see "

Troubleshooting External Connections

."

 

Troubleshooting External Connections

Loose or improperly connected cables are the most likely source of problems for the system, monitor, and other peripherals (such as a printer, keyboard,
mouse, or other external device). Ensure that all external cables are securely attached to the external connectors on your system. See

Figure 2

-1

for the front-

panel connectors and

Figure 2

-2

for the back panel connectors on your system.

 

Troubleshooting the Video Subsystem

 

Problem

l

 

Monitor is not working properly.

 

NOTE:

If a setup password has been assigned by someone else, contact your network administrator for information on resetting the chassis intrusion

detector.