Acer Altos R920 Series User Manual page 159

Server boot does not complete POST.
Do the following:
• Make sure the processor is properly seated.
• Check the BIOS release notes to ensure the BIOS installed on the
platform supports the stepping and the family of processors
currently installed.
• Make sure the memory boards are populated according to system
requirements.
Server does not recognize all of the processors installed.
• Make sure the processor is properly seated.
HDD activity indicator does not light.
Do the following:
• Make sure the drive is not disabled in the system BIOS.
• Make sure the drive's power and data cables are connected
correctly.
• Make sure the drive is compatible.
• Make sure you have not exceeded the power budget for the
server.
• If using a RAID configuration with SAS drives, make sure the server
RAID adapter is installed correctly.
If you have installed one or more hard drives in the system, do the
following:
• Make sure the power and signal cables are connected correctly.
ODD (Optical disk drive) activity indicator does not light.
Do the following:
• Make sure the power and signal cables are properly installed.
• Check that relevant switches and jumpers on the drive are set
correctly.
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