HP ZE4900 - Manual (Page 52)

2–14 Maintenance and Service Guide
Troubleshooting
Flowchart 2.8—No Operating System (OS)
Loading
No OS loading from hard drive,
go to “Flowchart 2.9—No OS Loading, Hard
Drive, Part 1.”
Reseat
power cord at
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 2.12—No OS Loading,
Diskette Drive.”
No OS loading from CD- or DVD-ROM drive,
go to “Flowchart 2.13—No OS Loading,
CD-ROM or DVD-ROM Drive.”
No OS loading from network,
go to “Flowchart 2.18—No Network/Modem
Connection.”