Dell PowerEdge R910 - Manual (Page 191)

Troubleshooting Your System 191
11 Run the appropriate online diagnostic test.
If the problem still persists, see step 12.
12 Open the system. See "Opening the System" on page 89.
13 Remove the memory risers. See "Removing a Memory Riser" on page 100.
14 Remove the cooling fan assembly. See "Removing the Cooling Fan
Assembly" on page 117.
15 If your system has four processors, remove all processors except for
processor 1 and processor 2. See "Installing a Processor" on page 151.
16 Install the cooling fan assembly. See "Installing the Cooling Fan Assembly"
on page 119.
17 Install the memory risers. See "Installing a Memory Riser" on page 101.
18 Close the system. See "Closing the System" on page 90.
19 Reconnect the system to the electrical outlet, and turn on the system and
attached peripherals.
20 Run the appropriate online diagnostic test.
If the test fails, the processor is faulty. See "Getting Help" on page 203.
If the test passes, replace processor 1 and 2 with processor 3 and processor
4. Run the appropriate online diagnostic test. If the test fails, the processor
is faulty. See "Getting Help" on page 203.
book.book Page 191 Tuesday, December 4, 2012 3:11 PM