Troubleshooting; Troubleshooting The Problem; Figure 3-1. Basic Troubleshooting Steps - HP OmniBook 900 Service Manual

Troubleshooting

The suggestions in this section can help isolate and repair the cause of a problem. To ensure quality
repair, HP recommends that you follow the basic troubleshooting steps shown in the illustration
below.
Check the customer's description
of the problem and any supporting
information.
Try to duplicate the customer's
problem. (Also see the suggestions
at the right.)
Troubleshoot the problem using
- Diagnostic tools.
- Troubleshooting suggestions.
Verify the repair by testing the
functionality of the complete unit.

Troubleshooting the Problem

Record pertinent information about the unit:
 Model and serial number.
 Operating system and version.
 BIOS version.
 Accessories and peripherals used.
Analyze the problem:
Observe Symptoms.
how the problem differs from proper behavior. Also, take note of the functions that do work
properly.
Separate Problems.
3-2 Troubleshooting and Diagnostics

Figure 3-1. Basic Troubleshooting Steps

Using the customer's information, try to duplicate the problem. Determine
If there is more than one symptom, separate them into distinct problems.
Isolate software problems
- Check whether the problem
occurs with the factory software
configuration—install a hard
disk with factory software. This
can identify software
configuration and compatibility
problems.
- Check whether the problem
occurs only when connected to
the internet. This can identify
ISP, software, and traffic
problems.
HP OmniBook 900