Dell 810 Owner's Manual page 179

5 Ensure that each processor and heat sink are properly installed. See
"Removing a Processor" on page 134.
6 Install the cooling fan assembly. See "Installing the Cooling Fan Assembly"
on page 111.
7 Close the system. See "Closing the System" on page 85.
8 Reconnect the system to the electrical outlet, and turn on the system and
attached peripherals.
9 Run the appropriate online diagnostic test.
If your system only has one processor and a problem is still indicated, see
"Getting Help" on page 195.
10 For systems with multiple processors, turn off the system and attached
peripherals, and disconnect the system from the electrical outlet.
11 Open the system. See "Opening the System" on page 84.
12 Remove the cooling fan assembly. See "Removing the Cooling Fan
Assembly" on page 110.
13 Remove all processors except for processor 1 and processor 2. See
"Removing a Processor" on page 134.
14 Install the cooling fan assembly. See "Installing the Cooling Fan Assembly"
on page 111.
15 Close the system. See "Closing the System" on page 85.
16 Reconnect the system to the electrical outlet, and turn on the system and
attached peripherals.
17 Run the appropriate online diagnostic test.
If the test fails, the processor is faulty. See "Getting Help" on page 195.
18 Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
19 Open the system. See "Opening the System" on page 84.
20 Remove the cooling fan assembly. See "Removing the Cooling Fan
Assembly" on page 110.
21 Replace processor 1 and processor 2 with processor 3 and processor 4. See
"Removing a Processor" on page 134.
Troubleshooting Your System
179