Checking connections and switches, Figure 2, Table 2 – Dell PowerEdge 500SC User Manual
Page 15: Back-panel features, Checking specific system problems

Look and listen for the indications described in
Checking Connections and Switches
Improperly set switches, controls, and loose or improperly connected cables are the most likely source of problems for the system, monitor, or other
peripherals (such as a printer, keyboard, mouse, or other external equipment). A quick check of all the switches, controls, and cable connections can easily
solve these problems. See
for the back-panel features and connectors.
Back-Panel Features
shows the back-panel features of the system.
Figure 2-2. Back-Panel Features
Complete the following procedure to check all the connections and switches:
Checking Specific System Problems
1.
Turn off the system, including any attached peripherals. Disconnect all the power cables from their electrical outlets.
2.
If the system is connected to a PDU, turn the PDU off and then on again.
If it is not receiving power, plug it into another electrical outlet. If it still is not receiving power, try another PDU.
Table 2-1. Start-Up Routine Indications
Look/Listen for:
Action
An error message
See "
."
Alert messages from the system management server agent software See "
Alert Log Messages From the System Management Server Agent
The monitor's power indicator
See "
Troubleshooting the Video Subsystem
" in "
Troubleshooting Your System
."
The keyboard indicators
See "
Troubleshooting the Keyboard
" in "
Troubleshooting Your System
."
The diskette-drive activity indicator
See "
Troubleshooting the Diskette Drive
" in "
Troubleshooting Your System
."
The hard drive activity indicators
See "
Troubleshooting Hard Drives
" in "
Troubleshooting Your System
."
A series of beeps
See "
An unfamiliar constant scraping or grinding sound when you access
a drive
See "
Getting Help
," for instructions on obtaining technical assistance.
NOTE:
For the full name of an abbreviation or acronym used in this table, see "Abbreviations and Acronyms."