Contents 3
Contents
Using this guide
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7
How to use this guide
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7
What's new
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8
Revision history
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9
669443-xx2 (June 2012)
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9
669443-xx1 (March 2012)
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9
Troubleshooting preparation
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10
Pre-diagnostic steps
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10
Important safety information
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10
Symbols on equipment
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10
Warnings and cautions
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11
Electrostatic discharge
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12
Symptom information
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13
Prepare the server for diagnosis
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13
Performing processor procedures in the troubleshooting process
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14
Breaking the server down to the minimum hardware configuration
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15
Common problem resolution
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16
Loose connections
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16
Service notifications
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16
Firmware updates
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16
Server updates with an HP Trusted Platform Module and BitLocker enabled
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17
DIMM handling guidelines
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17
DIMM installation and configuration guidelines
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18
Component LED definitions
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18
SAS, SATA, and SSD drive guidelines
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18
Drive LED definitions
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18
System power LED definitions
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19
Health status LED bar definitions (blades only)
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19
Front panel LEDs & buttons (HP ProLiant ML and DL servers only)
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19
Remote troubleshooting
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21
Remote troubleshooting tools
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21
Remote access to the VCM
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22
Using HP iLO for remote troubleshooting of servers and server blades
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22
Using Onboard Administrator for remote troubleshooting of server blades
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23
Using the OA CLI
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24
Diagnostic flowcharts
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25
Troubleshooting flowcharts
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25
Using the Diagnostic flowcharts
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25
Troubleshooting flowchart reference websites
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25
Start diagnosis flowchart
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27
Remote diagnosis flowchart
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27
General diagnosis flowchart
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29
Power-on problems flowchart
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29
POST problems flowchart
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32