6Remove the cooling shroud. See "Removing the Cooling Shroud" on page 63.

7Check the memory channels and ensure that they are populated correctly. See "Memory Configuration" on page 40.

8Reseat the memory modules in their sockets. See "Installing Memory Modules" on page 80.

9Replace the cooling shroud. See "Installing the Cooling Shroud" on page 64.

10Install the system-board assembly. See "Installing a System-Board Assembly" on page 62.

11Reconnect the system to its electrical outlet, and turn on the system and attached peripherals.

12Enter the System Setup program and check the system memory settings. See "System Memory Settings" on page 38.

If the problem is not resolved, proceed with the next step.

13Turn off the system and attached peripherals, and disconnect the system from the power source.

14Remove the system-board assembly. See "Removing a System-Board Assembly" on page 61.

15If a diagnostic test or error message indicates a specific memory module as faulty, swap or replace the module.

16To troubleshoot an unspecified faulty memory module, replace the memory module in the first DIMM socket with a module of the same type and capacity. See "Installing Memory Modules" on page 80.

17Install the system-board assembly. See "Installing a System-Board Assembly" on page 62.

18Reconnect the system to its electrical outlet, and turn on the system and attached peripherals.

19As the system boots, observe any error message that appears and the diagnostic indicators on the front of the system.

20If the memory problem is still indicated, repeat step 13 through step 19 for each memory module installed.

If the problem persists after all memory modules have been checked, see "Getting Help" on page 143.

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Dell C6100 owner manual Troubleshooting Your System