Dell PowerVault NX300 Hardware Owner's Manual - Page 162
Troubleshooting the Microprocessors
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11 Close the system. See "Closing the System" on page 83. 12 Reconnect the system to the electrical outlet, and turn on the system and attached peripherals. 13 Run the appropriate online diagnostic test. See "Running the System Diagnostics" on page 167. If the tests fail, see "Getting Help" on page 177. 14 For each expansion card you removed in step 10, 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 82. c Reinstall one of the expansion cards. d Close the system. See "Closing the System" on page 83. e Run the appropriate diagnostic test. If the tests fail, see "Getting Help" on page 177. Troubleshooting the Microprocessors 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 online diagnostics test. See "Using Online Diagnostics" on page 167. 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 82. 4 Ensure that each processor and heat sink are properly installed. See "Installing a Processor" on page 126. 5 Close the system. See "Closing the System" on page 83. 162 Troubleshooting Your System