Troubleshooting Your System; Safety First-For You And Your System; Troubleshooting System Memory - Dell PowerEdge M420 Owner's Manual

Troubleshooting Your System

Safety First—For You and Your System
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: For troubleshooting information on the M1000e enclosure components, see Troubleshooting The Enclosure
Dell PowerEdge M1000e Enclosure Owner's Manual at support.dell.com/manuals.
in the

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: Before performing the following procedure, ensure that you have installed the memory modules according
to the memory installation guidelines for the blade.
1. Restart the blade:
a) Press the power button once to turn off the blade
b) Press the power button again to apply power to the blade.
If no error messages appear, go to step 7.
2. Enter the System Setup and check the system memory setting.
If the amount of memory installed matches the system memory setting, go to step 7.
3. Turn off the blade.
4. Remove the blade from the sleeve.
CAUTION: The memory modules are hot to touch for some time after the blade has been powered down. Allow time
for the memory modules to cool before handling them. Handle the memory modules by the card edges and avoid
touching the components.
5. Reseat the memory modules in their sockets.
6. Install the blade in the sleeve.
7. Run the appropriate diagnostic test. For more information, see Using System Diagnostics.
If the test fails, see Getting Help.
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