3Remove and reseat the fan. See "Removing a Cooling Fan" on page 116 and "Installing a Cooling Fan" on page 117.

NOTE: Wait at least 30 seconds for the system to recognize the fan and determine whether it is working properly.

4If the problem is not resolved, install a new fan. See "Removing a Cooling Fan" on page 116 and "Installing a Cooling Fan" on page 117.

If the replacement fan is working properly, close the system. See "Closing the System" on page 90.

If the replacement fan does not operate, see "Getting Help" on page 203.

Troubleshooting System Memory

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.

NOTE: Invalid memory configurations can cause your system to halt at startup without video output. See "General Memory Module Installation Guidelines" on page 92 and verify that your memory configuration complies with all applicable guidelines.

1If the system is operational, run the appropriate online diagnostic test. See "Using Online Diagnostics" on page 193.

If diagnostics indicates a fault, follow the corrective actions provided by the diagnostic program.

2If the system is not operational, turn off the system and attached peripherals, and unplug the system from the power source. Wait at least 10 seconds and then reconnect the system to power.

3Turn on the system and attached peripherals and note the messages on the screen.

Go to step 14 if an error message appears indicating a fault with a specific memory module.

Troubleshooting Your System

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Dell E06S Series, E06S001 owner manual Troubleshooting System Memory