3-7
OS boot issue flowchart
Symptoms
The server does not boot a previously installed OS.
Cause
Corrupted OS.
Drive subsystem issue.
Incorrect setting in BIOS.
Action
Troubleshoot the issue using the following flowcharts:
Start OS Boot
issues
Has system
attempted to boot
an OS?
Does the
configured boot mode
match the OS installed on
the boot media?
Is
An OS
Installed on the
Intended boot
target?
Check for loose
connections
Does
condition still
exist?
If the controller
will host the
Boot device,
Ensure the
Device is
Configured
And set as
a boot device.
Does
Condition still
exist?
Configure boot
mode properly.
Ensure a valid OS is
installed on intended
boot target.
End
Does
condition still
exist?
Disable optimized
boot.
Is UEFI
Optimized boot
is disabled?
Before contacting
Support gather important
symptom information
For use in
Troubleshooting
the issue.
Contact Support
No
Yes
Yes
No
No
Yes
Yes
Yes
Yes
No
No
No
No
Yes
Yes
