HP (Hewlett-Packard) NX9020 ユーザーズマニュアル

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Troubleshooting
Maintenance and Service Guide
2–15
Flowchart 2.9—No OS Loading, Hard Drive, 
Part 1
Go to
Y
Done
N
OS not
loading from
hard drive.
Nonsystem
disk 
message?
Go to
Reseat
external
hard drive.
OS loading?
Done
Boot
from
CD?
Go to
Boot
from
hard drive?
Boot
from
USB device 
or NIC?
Change boot
priority through
the Setup utility
and reboot.
Boot
from
hard drive?
Y
Y
Y
Y
Y
N
N
N
N
N
Check the Setup
utility for correct
booting order.