Troubleshooting; Pre-Diagnostic Steps; Important Safety Information - HP ML110 G2 User Manual

Troubleshooting

In this section

Pre-diagnostic steps ................................................................................................................................ 37

Common problem resolution .................................................................................................................... 41
Diagnostic flowcharts.............................................................................................................................. 44
Hardware problems................................................................................................................................ 54
Software problems ................................................................................................................................. 70
Firmware maintenance............................................................................................................................ 73
Contacting HP ....................................................................................................................................... 76
Pre-diagnostic steps
WARNING: To avoid potential problems, ALWAYS read the warnings and cautionary
information in the server documentation before removing, replacing, reseating, or
modifying system components.
IMPORTANT: This guide provides information for multiple servers. Some information may not apply to the
server you are troubleshooting. Refer to the server documentation for information on procedures, hardware
options, software tools, and operating systems supported by the server.
Review the important safety information (on page 37).
1.
Gather symptom information (on page 39).
2.
Prepare the server for diagnosis.
3.
Use the Start diagnosis flowchart (on page 44) to begin the diagnostic process.
4.

Important safety information

Familiarize yourself with the safety information in the following sections before troubleshooting the server.
Important safety information
Before servicing this product, read the Important Safety Information document provided with the server.
Symbols on equipment
The following symbols may be placed on equipment to indicate the presence of potentially hazardous
conditions.
This symbol indicates the presence of hazardous energy circuits or electric shock
hazards. Refer all servicing to qualified personnel.
WARNING: To reduce the risk of injury from electric shock hazards, do not open
this enclosure. Refer all maintenance, upgrades, and servicing to qualified personnel.
Troubleshooting 37