Dell PowerVault NX300 - Manual (Page 162)

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Troubleshooting Your System
11 Close the system. See "Closing the System" on page 83.
12 Reconnect the system to the electrical outlet, and turn on the system and
attached peripherals.
13 Run the appropriate online diagnostic test. See "Running the System
Diagnostics" on page 167.
If the tests fail, see "Getting Help" on page 177.
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 82.
c Reinstall one of the expansion cards.
d Close the system. See "Closing the System" on page 83.
e Run the appropriate diagnostic test.
If the tests fail, see "Getting Help" on page 177.
Troubleshooting the Microprocessors
CAUTION:
Many repairs may only be done by a certified service technician. You
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not covered
by your warranty. Read and follow the safety instructions that came with the
product.
1 Run the appropriate online diagnostics test. See "Using Online
Diagnostics" on page 167.
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 82.
4 Ensure that each processor and heat sink are properly installed. See
"Installing a Processor" on page 126.
5 Close the system. See "Closing the System" on page 83.
book.book Page 162 Thursday, August 13, 2009 7:27 AM