Troubleshooting your system, Safety first—for you and your system, External connections – Dell PowerEdge 750 User Manual
Page 32: Checking basic power problems, Start-up routine
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Troubleshooting Your System
Dell™ PowerEdge™ 750 Systems Installation and Troubleshooting Guide
Safety First—For You and Your System
To perform certain procedures in this document, you must remove the system cover and work inside the system. While working inside the system, do not
attempt to service the system except as explained in this guide and elsewhere in your system documentation.
External Connections
Loose or improperly connected cables are the most likely source of problems for the system, monitor, and other peripherals (such as a 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
and
Figure 2
-2
for the
front- and back-panel connectors on your system.
Checking Basic Power Problems
1.
If the power indicator on the system front panel does not indicate that power is available to the system, ensure that the power cable is securely
connected to the power supply.
2.
If the system is connected to a PDU or UPS, turn the PDU or UPS off and then on.
3.
If the PDU or UPS is not receiving power, plug it into another electrical outlet. If it still is not receiving power, try another PDU or UPS.
4.
Reconnect the system to the electrical outlet and turn on the system.
5.
If the system still is not working properly, see "
Troubleshooting the Power Supply
Start-Up Routine
Look and listen during the system's start-up routine for the indications described in
.
Table 5-1. Start-Up Routine Indications
Safety First—For You and Your System
Troubleshooting Basic I/O Functions
Troubleshooting a Network Adapter
Responding to a Systems Management Software Alert Message
Troubleshooting a Damaged System
Troubleshooting the System Battery
Troubleshooting the Power Supply
Troubleshooting System Cooling Problems
Troubleshooting the Diskette Drive
Troubleshooting a SATA Hard Drive
Troubleshooting a SCSI Hard Drive
Troubleshooting Expansion Cards
Troubleshooting the System Board
CAUTION:
Always follow the instructions closely, and ensure that you review all information in "Safety Instructions" in the System Information
Guide.
CAUTION:
See your System Information Guide for complete information about safety precautions, working inside the computer, and protecting
against electrostatic discharge.
Look/listen for:
Action