8
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 are shipped with your product.
NOTE: Solution validation was performed by using the factory shipped hardware configuration.
Installation Problems
Perform the following checks when you troubleshoot installation problems:
• Check all cable and power connections (including all rack cable connections).
• Unplug the power cord and wait for one minute. Then reconnect the power cord and try again.
• If the network is reporting an error, verify that the system has enough memory and disk space.
• Remove all added peripherals, one at a time, and try to turn on the system. If after removing a
peripheral the system works, it may be a problem with the peripheral or a configuration problem
between the peripheral and the system. Contact the peripheral vendor for assistance.
• If the system does not power on, check the LED display. If the power LED is not on, you may not be
receiving AC power. Check the AC power cord to make sure that it is securely connected.
Minimum configuration to POST
The three components mentioned below are the minimum configuration to POST:
• One power supply unit
• One Processor (CPU) in socket CPU1 (minimum for troubleshooting)
• One Memory Module (DIMM) installed in the socket A1
NOTE: When PCI-E slot 1 and Mezzanine slot are to be used, processor 1 must be installed; when
PCI-E slot 3 is to be used, both processor 1 and processor 2 must be installed.
Troubleshooting system startup failure
If you boot the system to the BIOS boot mode after installing an operating system from the UEFI Boot
Manager, the system stops responding. To avoid this issue, you must boot to the same boot mode in
which you installed the operating system.
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