Dell PowerEdge T100 Hardware Owner's Manual - Page 103

Troubleshooting Your System, Safety First-For You and Your System, Start-Up Routine - diagnostic lights

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Troubleshooting Your System 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. CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before you begin this procedure, review the safety instructions that came with the system. Start-Up Routine Look and listen during the system's start-up routine for the indications described in Table 4-1. Table 4-1. Start-Up Routine Indications Look/listen for: A code displayed on the system diagnostic indicators. An error message displayed on the monitor. The monitor's power indicator. The keyboard indicators. The USB diskette drive activity indicator. The USB CD drive activity indicator. The hard-drive activity indicator. Action See "Diagnostic Lights" on page 16. See "System Messages" on page 18. See "Troubleshooting the Video Subsystem" on page 104. See "Troubleshooting the Keyboard or Mouse" on page 105. See "Troubleshooting a Diskette Drive" on page 117. See "Troubleshooting an Optical Drive" on page 119. See "Troubleshooting a Hard Drive" on page 121. Troubleshooting Your System 103

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Troubleshooting Your System
103
Troubleshooting Your System
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.
CAUTION:
Only trained service technicians are authorized to remove the system
cover and access any of the components inside the system. Before you begin this
procedure, review the safety instructions that came with the system.
Start-Up Routine
Look and listen during the system's start-up routine for the indications
described in Table 4-1.
Table 4-1.
Start-Up Routine Indications
Look/listen for:
Action
A code displayed on the system
diagnostic indicators.
See "Diagnostic Lights" on page 16.
An error message displayed on the
monitor.
See "System Messages" on page 18.
The monitor's power indicator.
See "Troubleshooting the Video Subsystem"
on page 104.
The keyboard indicators.
See "Troubleshooting the Keyboard or
Mouse" on page 105.
The USB diskette drive activity
indicator.
See "Troubleshooting a Diskette Drive" on
page 117.
The USB CD drive activity indicator.
See "Troubleshooting an Optical Drive" on
page 119.
The hard-drive activity indicator.
See "Troubleshooting a Hard Drive" on
page 121.