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Before you Begin
Before removing the chassis cover, disconnect all power. Unplug the AC power
cord; disconnect all peripherals, and all LAN lines.
Make sure you have a stable, clean working environment. Dust and dirt can get into computer
components and cause a malfunction. Many of the screws on the server are different sizes;
use containers to keep screws and small components separated.
Adequate lighting and proper tools can prevent you from accidentally damaging internal
components. Most of the following procedures require only a few simple tools, including the
following:
Philips screwdriver
flat-tipped screwdriver
set of jewelers screwdrivers
grounding strap
anti-static pad
Troubleshooting Sequence
Installation Problem
Perform the following checks if you are troubleshooting an installation problem:
Check all cable and power connections (including all rack cable connections).
Unplug the power cord, and wait one minute. Then reconnect the power cord and try
again.
Remove all added options, one at a time, and try to power up the system. If after
removing an option the server works, you may find that it is a problem with the option or
a configuration problem between the option and the server. Contact the option
vendor for assistance.
If the system doesn't power on, check the LED display. If the power LED is not on, you may
not be receiving AC power. Check the AC power cord to make sure that it is securely connected.
Troubleshooting External Connectors
Loose or improperly connected cables are the most likely source of problems for the system,
monitor, and other peripherals (such as a printer, keyboard, mouse, or other external device).
Ensure that all external cables are securely attached to the external connectors on your
system. See 1.1 System Overview for the front- and back-panel connectors on your system.
Troubleshooting System Boot Issues
This document lists troubleshooting tips if your server does not boot up properly.
Appendix
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