Dell PowerEdge R900 - Manual (Page 147)

Troubleshooting Your System 147
Troubleshooting Processors
Problem
• Error message indicates a processor problem.
• Front panel status LCD indicates a problem with the processors or system
board.
• A processor heat sink is not installed for each processor.
Action
CAUTION: Only trained service technicians are authorized to remove the system
cover and access any of the components inside the system. Before performing any
procedure, see your Product Information Guide for complete information about
safety precautions, working inside the computer and protecting against
electrostatic discharge.
1 Run the appropriate online diagnostics test. See "Using PowerEdge
Diagnostics" on page 149.
2 Remove power from the system and attached peripherals, and then
disconnect the system from the electrical outlet.
3 Open the system. See "Removing the Top Cover" on page 60.
4 Ensure that each processor and processor heat sink is properly installed.
See "Processors" on page 101.
5 Close the system. See "Installing the Top Cover" on page 60.
6 Reconnect the system to the electrical outlet, and turn on the system and
attached peripherals.
7 Run the appropriate online diagnostic test.
8 If the tests fail or the problem persists, continue to the next step.
9 If only one processor is installed, see "Getting Help" on page 165,
otherwise continue to the next step.
10 Perform the following steps for each processor until a faulty processor is
identified:
a Remove power from the system and attached peripherals, and then
disconnect the system from the electrical outlet.
b Open the system. See "Removing the Top Cover" on page 60.