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.

Troubleshoot the problem using

-Diagnostic tools.

-Troubleshooting suggestions.

Verify the repair by testing the functionality of the complete unit .

Figure 3-1. Basic Troubleshooting Steps

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. Using the customer’s information, try to duplicate the problem. Determine how the problem differs from proper behavior. Also, take note of the functions that do work properly.

3-2

Troubleshooting and Diagnostics

HP OmniBook 4100/4150