Table 3-3. Troubleshooting Suggestions - HP NX9010 Service Manual

If you cannot isolate the cause of a problem using the above diagnostic tools, use the suggestions in the
following table to help find the problem.
Call Center:
Symptom Suggestions
To help determine likely causes of a problem, determine which replaceable modules are involved in the system
function and what roles they play: see the figure on page 1-64 and the table on page 1-65.
Startup
Does not boot on AC Check power source.
or battery.
Press and hold power button
to turn notebook off, then
press power button to turn
notebook on.
Unplug the AC adapter,
remove the battery and any
PC cards, press the reset
button to turn notebook off,
then reconnect power and try
again.
Do not use touch pad while
booting or resuming.
Remove all but one SDRAM
module and try again.
Reinsert any other SDRAM
module and try again.
Beeps once, spins Make sure at least one
hard disk, repeats, but SDRAM module is installed.
does not boot.
Does not boot on Make sure battery is properly
battery, but boots on installed and fully charged.
AC. Check battery level on battery
LEDs.
Check battery contacts. If
available, try another battery.
Does not boot from Make sure floppy disk is
floppy drive. bootable.
Use BIOS Setup to check
default boot order.
Does not boot from Make sure CD is bootable.
CD in CD/DVD drive.
Use BIOS Setup to check
default boot order.
Restart notebook.
3-6 Troubleshooting and Diagnostics

Table 3-3. Troubleshooting Suggestions

Repair Center:
Likely Causes
AC adapter.
SDRAM module.
CPU module.
Switchboard PCA.
Motherboard.
Display assembly.
Hard drive.
SDRAM module.
Battery or contacts.
Motherboard.
Floppy disk or floppy
drive.
Motherboard.
CD/DVD drive.
Motherboard.
Repair Center:
Comments
Check AC adapter. Remove
all but one SDRAM module
and try again.
If the power status light does
not turn on, reprogram the
BIOS, and replace the top
case, replace the
motherboard.
If power status light turns on
but display remains off, try
external monitor. If monitor
shows successful boot,
replace display assembly.
If monitor shows activity but
BIOS does not complete,
replace display assembly.
If monitor is blank, replace
switchboard PCA, replace
motherboard.
If power status light and
display turn on, BIOS
completes, but OS does not
start from hard disk or floppy
drive, replace CPU module,
replace motherboard. If OS
starts from floppy drive,
reload hard drive, replace
hard drive.
Make sure floppy drive is
installed and connected
correctly.
Make sure CD/DVD is
installed and connected
correctly.
Service Manual