Dell PowerEdge R905 - Manual (Page 167)

Troubleshooting Your System
167
6 Reconnect the system to the electrical outlet, and turn on the system and
attached peripherals.
If the problem persists, go to the next step.
7 Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
8 Open the system. See "Opening and Closing the System" on page 67.
9 Remove all expansion cards installed in the system. See "Removing an
Expansion Card" on page 83
10 Close the system. See "Opening and Closing the System" on page 67.
11 Reconnect the system to the electrical outlet, and turn on the system and
attached peripherals.
12 Run the appropriate online diagnostic test.
If the test fails, see "Getting Help" on page 181.
13 For each expansion card you removed in step 9, perform the following
steps:
a Turn off the system and attached peripherals, and disconnect the
system from the electrical outlet.
b Open the system. See "Opening and Closing the System" on page 67.
c Reinstall one of the expansion cards. See "Installing an Expansion
Card" on page 80.
d Close the system. "Opening and Closing the System" on page 67.
e Run the appropriate diagnostic test.
If the test fails, see "Getting Help" on page 181.
Troubleshooting the Microprocessors
Problem
• Error message indicates a processor problem.
• Front-panel status LCD indicates a problem with the processors or system
board.
• A heat sink is not installed for each processor.