Dell PowerEdge 840 Hardware Owner's Manual (PDF) - Page 109

Troubleshooting the Microprocessor, System Components.

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5 Ensure that each expansion card is firmly seated in its connector. See "Installing an Expansion Card" on page 72. 6 Close the system. See "Closing the System" on page 47. 7 Reconnect the system to the electrical outlet, and turn on the system and attached peripherals. If the problem persists, go to the next step. 8 Turn off the system and attached peripherals, and disconnect the system from the electrical outlet. 9 Open the system. See "Opening the System" on page 43. 10 Remove all expansion cards installed in the system. See "Removing an Expansion Card" in "Installing System Components." 11 Close the system. See "Closing the System" on page 47. 12 Reconnect the system to the electrical outlet, and turn on the system and attached peripherals. 13 Run the appropriate online diagnostic test. If the tests fail, see "Getting Help" on page 121. 14 For each expansion card you removed in step 10, 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 the System" on page 43. c Reinstall one of the expansion cards. d Close the system. See "Closing the System" on page 47. e Run the appropriate diagnostic test. If the tests fail, see "Getting Help" on page 121. Troubleshooting the Microprocessor Problem • Error message indicates a microprocessor problem. • A heat sink is not installed for the 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 If possible, run the appropriate online diagnostics test. 2 Turn off the system and attached peripherals, and disconnect the system from the electrical outlet. 3 Open the system. See "Opening the System" on page 43. Troubleshooting Your System 109

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Troubleshooting Your System
109
5
Ensure that each expansion card is firmly seated in its connector. See "Installing an Expansion Card"
on page 72.
6
Close the system. See "Closing the System" on page 47.
7
Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
If the problem persists, go to the next step.
8
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
9
Open the system. See "Opening the System" on page 43.
10
Remove all expansion cards installed in the system. See "Removing an Expansion Card" in "Installing
System Components."
11
Close the system. See "Closing the System" on page 47.
12
Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
13
Run the appropriate online diagnostic test.
If the tests fail, see "Getting Help" on page 121.
14
For each expansion card you removed in step 10, 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 the System" on page 43.
c
Reinstall one of the expansion cards.
d
Close the system. See "Closing the System" on page 47.
e
Run the appropriate diagnostic test.
If the tests fail, see "Getting Help" on page 121.
Troubleshooting the Microprocessor
Problem
•
Error message indicates a microprocessor problem.
•
A heat sink is not installed for the 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
If possible, run the appropriate online diagnostics test.
2
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
3
Open the system. See "Opening the System" on page 43.