HP Pavilion Dv9400 Entertainment Notebook Pc Series Service Guide

Troubleshooting
Maintenance and Service Guide 2–11
The “Press  to change boot order” message that is 
displayed in the lower-left corner of the screen each time the 
computer is started or restarted in Windows is the prompt to 
change the boot order.
Closing the Setup Utility
You can close the Setup Utility with or without saving changes.
■To close the Setup Utility and save your changes from the 
current session, use either of the following procedures:
❏Press f10, and then follow the instructions on the...

2–12 Maintenance and Service Guide
Troubleshooting
Main Menu
Security Menu
System Configuration Menu
Table 2-1
Main Menu
Select To Do This
System Information
■View and change the system time and date.
■View identification information about the 
computer.
■View specification information about the 
processor, memory size, system BIOS, and 
keyboard controller version (select models only).
Ta b l e  2 - 2
Security Menu
Select To Do This
Administrator password Enter, change, or delete an administrator...

Troubleshooting
Maintenance and Service Guide 2–13Boot Options Set the following boot options:
■f10 and f12 Delay (sec.)—Set the delay for the 
f10 and f12 functions of the Setup Utility in 
intervals of 5 seconds each (0, 5, 10, 15, 20).
■CD-ROM boot—Enable/disable boot from 
CD-ROM.
■Floppy boot—Enable/disable boot from Floppy.
■Internal Network Adapter boot—Enable/disable 
boot from Internal Network Adapter.
■Boot Order—Set the boot order for:
❐USB Floppy
❐ATAPI CD/DVD ROM Drive
❐Hard drive
❐USB...

2–14 Maintenance and Service Guide
Troubleshooting
Diagnostics Menu
Ta b l e  2 - 4
Diagnostics Menu
Select To Do This
Hard Disk Self Test Run a comprehensive self-test on the hard drive.
✎On models with two hard drives, this menu 
option is called the Primary Hard Disk Self 
Test.
Secondary Hard Disk Self 
Test (select models only)Run a comprehensive self-test on a secondary 
hard drive. 

Troubleshooting
Maintenance and Service Guide 2–15
2.3 Troubleshooting Flowcharts
Table 2-5
Troubleshooting Flowcharts Overview
Flowchart Description
2.1“Flowchart 2.1—Initial Troubleshooting”
2.2“Flowchart 2.2—No Power, Part 1”
2.3“Flowchart 2.3—No Power, Part 2”
2.4“Flowchart 2.4—No Power, Part 3”
2.5“Flowchart 2.5—No Power, Part 4”
2.6“Flowchart 2.6—No Video, Part 1”
2.7“Flowchart 2.7—No Video, Part 2”
2.8“Flowchart 2.8—Nonfunctioning Docking Device (if applicable)”
2.9“Flowchart 2.9—No Operating...

2–16 Maintenance and Service Guide
Troubleshooting
Flowchart Description
2.14“Flowchart 2.14—No OS Loading, Optical Drive”
2.15“Flowchart 2.15—No Audio, Part 1”
2.16“Flowchart 2.16—No Audio, Part 2”
2.17“Flowchart 2.17—Nonfunctioning Device”
2.18“Flowchart 2.18—Nonfunctioning Keyboard”
2.19“Flowchart 2.19—Nonfunctioning Pointing Device”
2.20“Flowchart 2.20—No Network/Modem Connection”
Table 2-5
Troubleshooting Flowcharts Overview (Continued) 

Troubleshooting
Maintenance and Service Guide 2–17
Flowchart 2.1—Initial Troubleshooting
Connecting
to network
or modem?
Begin
troubleshooting.
Is there
power?
Is the OS
loading? Is there video?
(no boot)
Is there
sound?Beeps,
LEDs, or error
messages?
Keyboard/
pointing
device 
working?Go to
“Flowchart 
2.17—Nonfunc-
tioning Device.”
Go to“Flowchart 
2.2—No Power, 
Pa r t 1 .”
Go to“Flowchart 
2.6—No Video, 
Par t 1 .”
All drives
working?
Y
Y
Y
Y
YY
Y
Y N N
N
N
N
End
N
N
N
Go to“Flowchart 
2.9—No...

2–18 Maintenance and Service Guide
Troubleshooting
Flowchart 2.2—No Power, Part 1
1. Reseat the power cables in the docking 
device and at the AC outlet.
2. Ensure the AC power source is active.
3. Ensure that the power strip is working.
Done
Remove from
docking device
(if applicable).
Power up
on battery
power?
Power up
on AC
power?
Power up in 
docking 
device?
Power up
on battery
power?
Power up
in docking 
device?Done Reset
 power.*
Reset
 power.*Power up
on AC power?
N
Y YN
N
YN
N
Y Y
YN
1. On...

Troubleshooting
Maintenance and Service Guide 2–19
Flowchart 2.3—No Power, Part 2
Continued from“Flowchart 
2.2—No Power, 
Par t 1.”
Visually check for
debris in battery
socket and clean
if necessary.
Done
N
Y
Power on? Check battery by
recharging it,
moving it to
another computer,
or replacing it.
Power on?
Done
Y
Replace
power supply
(if applicable).
N
Power on?
Done
YN
Go to“Flowchart 
2.4—No Power, 
Par t 3.” 

2–20 Maintenance and Service Guide
Troubleshooting
Flowchart 2.4—No Power, Part 3
Continued from“Flowchart 
2.3—No Power, 
Par t 2.”
Reseat AC adapter
in computer and
at power source.
Internal or
external AC
adapter? Done
Done
DoneDone Power on?
Power on?Power on? Plug directly
into AC outlet.
Power LED
on?
Power outlet
active?Try different
outlet.Replace external
AC adapter.
Replace
power cord.
Y
N
Y
Y Y
Y N
NN
N
External
Internal
Go to
“Flowchart 
2.5—No Power, 
Par t 4.”