Dell PowerEdge 850 - Manual (Page 111)

2. Turn on the system and attached peripherals.
If an error messages does not appear, go to step 12 .
3. 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 matches the system memory setting, go to step 12 .
4. Remove the bezel. See Figure 4 -2 .
5. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
6. Open the system. See " Opening the System ."
7. Ensure that the memory banks are populated correctly. See " Memory Module Installation Guidelines " in "Installing System Components."
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 Components."
9. Close the system. See " Closing the System ."
10. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
11. 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. Swap the memory modules in bank 1 with another bank of the same capacity. See " Installing Memory Modules " in "Installing System
Components."
d. Close the system. See " Closing the System ."
e. Reconnect the system to its electrical outlet, and turn on the system and attached peripherals.
f. As the system boots, observe the monitor screen and the indicators on the keyboard.
12. 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. Repeat step c through step f in step 11 for each memory module installed.
If the problem persists, see " Getting Help ."
Troubleshooting an Optical Drive
Problem
l System cannot read data from a CD or DVD.
l Optical drive indicator does not blink during boot.
Action
1. Try using a different CD or DVD that you know works properly.
2. Enter the System Setup program and ensure that the drive's IDE controller is enabled. See "Using the System Setup Program" in the User's Guide.
3. Run the appropriate online diagnostic test. See " Using Server Administrator Diagnostics " in "Running System Diagnostics."
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system.
Before performing any procedure, see your Product Information Guide for complete information about safety precautions, working inside the
computer and protecting against electrostatic discharge.