HP Compaq tc4400

Troubleshooting
Maintenance and Service Guide 2–15
Flowchart 2.9—No Operating System (OS)
Loading
No OS loading from hard drive,
go to
“Flowchart 2.10—No OS Loading,
Hard Drive, Part 1.”
Reset power
cord in docking
device 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-ROM 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.”