190 Troubleshooting Your System
14
For each expansion card you removed in step10, 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 89.
c
Reinstall one of the expansion cards.
d
Close the system. See "Closing the System" on page 90.
e
Run the appropriate diagnostic test.
If the tests fail, see "Getting Help" on page 203.
Troubleshooting the Processors CAUTION: Many repairs may only be done by a certified service technician.
Youshould only perform troubleshooting and simple repairs as authorized in
yourproduct documentation, or as directed by the online or telephone service
andsupport 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
withthe product.
1
Run the appropriate online diagnostics test. See "Using Online
Diagnostics" on page193.
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 89.
4
Remove the memory risers. See "Removing a Memory Riser" on page100.
5
Remove the cooling fan assembly. See "Removing the Cooling Fan
Assembly" on page118.
6
Ensure that each processor and heat sink are properly installed. See
"Removing a Processor" on page148.
7
Install the cooling fan assembly. See "Installing the Cooling Fan Assembly"
on page 120.
8
Install the memory risers. See "Installing a Memory Riser" on page101.
9
Close the system. See "Closing the System" on page 90.
10
Reconnect the system to the electrical outlet, and turn on the system and
attached peripherals.
book.book Page 190 Wednesday, January 20, 2010 10:20 AM