Note that the parallel port test is more thorough if you connect a loop-back connector to the port before running the test. See the wiring diagrams below.

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Figure 3-3. Parallel Loopback Connector

Interpreting the Results

The e-Diagtools diagnostic program returns test groups, error codes, and suggestions for repair and/or follow-up actions. Consider these suggestions in combination with other troubleshooting information in servicing the notebook.

3-24 Troubleshooting and Diagnostics

Technology Code IC)