5Visually inspect to ensure that each processor and heat sink are properly installed. See "Replacing the Processor" on page 75.
6Rotate the
7Close the system. See "Closing the System" on page 43.
8Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
9If possible, run the appropriate online diagnostic test.
If the tests fail or the problem persists, continue to the next step.
10Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
11Open the system. See "Opening the System" on page 43.
12Rotate the
NOTICE: When removing and replacing a processors and heat sink to complete the following steps, do not disturb the thermal grease on the top of the processor and bottom of the heat sink. Place the processor and heat sink aside, while they are removed, on a flat surface and avoid contact with the thermal grease.
13Remove processor 2 if installed. See "Replacing the Processor" on page 75. To locate the processors, see Figure
If only one processor is installed, replace the processor. See "Getting Help" on page 123.
14Rotate the
15Close the system. See "Closing the System" on page 43.
16Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
17Run the appropriate online diagnostic test.
•If the tests complete successfully, go to step 18.
•If the tests fail, the processor is faulty. See "Getting Help" on page 123.
18Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
19Open the system. See "Opening the System" on page 43.
20Rotate the
21Swap processor 1 with the processor you removed in step 13. See "Replacing the Processor" on page 75.
22Repeat step 14 through step 21.
If the tests fail, the processor is faulty. See "Getting Help" on page 123.
If you have tested both processors and the problem persists, the system board is faulty. See "Getting Help" on page 123.
Troubleshooting Your System
