Dell DR4000 - Manual (Page 136)

136 Troubleshooting Your System
Troubleshooting Processors
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 Embedded System diagnostics test. See "Running the
Embedded System Diagnostics" on page 140.
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 60.
4 Ensure that each processor and heat sink are properly installed.
See "Installing a Processor" on page 99.
5 Close the system. See "Closing the System" on page 61.
6 Reconnect the system to the electrical outlet, and turn on the system and
attached peripherals.
7 Run the appropriate Embedded System diagnostic test. See "Running the
System Diagnostics" on page 139.
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 60.
10 Remove processor 2. See "Removing a Processor" on page 95.
11 Close the system. See "Closing the System" on page 61.
12 Reconnect the system to the electrical outlet, and turn on the system
and attached peripherals.
book.book Page 136 Friday, January 6, 2012 2:11 PM