Troubleshooting
Maintenance and Service Guide 2–15
Flowchart 2.9—No Operating System (OS)
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No OS loading from hard drive,
go to
“Flowchart 2.10—No OS Loading,
Hard Drive, Part 1.”
Reseat power
cord in expansion
base and
power outlet.
No OS
loading.*
*NOTE: Before beginning troubleshooting,
always check cable connections, cable ends,
and drives for bent or damaged pins.
No OS loading from diskette drive,
go to
“Flowchart 2.13—No OS Loading,
Diskette Drive.”
No OS loading from CD- or DVD-ROM drive,
go to
“Flowchart 2.14—No OS Loading,
Optical Drive.”
No OS loading from network,
go to
“Flowchart 2.20—No Network/Modem
Connection.”
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