Dell PowerEdge 1800 - Manual (Page 59)

Troubleshooting Your System
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5 Open the system. See "Opening the System."
6 Remove the baffle/back fan assembly. See "Removing the Baffle/Back Fan Assembly."
7 Ensure that the memory banks are populated correctly. See "General Memory Module
Installation Guidelines" in "Installing System Options."
If the memory modules are populated correctly, continue to the next step.
8 Reseat the memory modules in their sockets. See "Installing Memory Modules" in "Installing
System Options."
9 Install the baffle/back fan assembly. See "Installing the Baffle/Back Fan Assembly."
10 Close the system. See "Closing the System."
11 Reconnect the system to the electrical outlet, and turn on the system and attached
peripherals.
12 Enter the System Setup program and check the system memory setting. See "Using the
System Setup Program" in your User's Guide.
If the amount of memory installed does not match the system memory setting, then perform
the following steps:
a Turn off the system and attached peripherals, and disconnect the system from its
electrical outlet.
b Open the system. See "Opening the System."
c Remove the baffle/back fan assembly. See "Removing the Baffle/Back Fan Assembly."
NOTE:
Several configurations for the memory modules exist; see "General Memory Module
Installation Guidelines" in "Installing System Options."
d Swap the memory modules in bank 1 with another bank of the same capacity. See
"Installing Memory Modules" in "Installing System Options."
e Install the baffle/back fan assembly. See "Installing the Baffle/Back Fan Assembly."
f Close the system. See "Closing the System."
g Reconnect the system to its electrical outlet, and turn on the system and attached
peripherals.
h As the system boots, observe the monitor screen and the indicators on the keyboard.
13 Perform the following steps:
a Turn off the system and attached peripherals, and disconnect the system from its
electrical outlet.
b Open the system. See "Opening the System."
c Remove the baffle/back fan assembly. See "Removing the Baffle/Back Fan Assembly."
d Repeat step d through step h in step 12 for each memory module installed.
If the problem persists, see "Getting Help."