Introduction; General Information - Acer Aspire 4739Z Service Manual

Troubleshooting

Introduction

This chapter contains information about troubleshooting common problems associated
with the notebook.

General Information

The following procedures are a guide for troubleshooting computer problems. The step
by step procedures are designed to be performed as described.
NOTE:
1. Obtain as much detailed information as possible about the problem.
2. If possible, verify the symptoms by re-creating the failure through diagnostic tests or
repeating the operation that led to the problem.
3. Use Table 4-1 with the verified symptom to determine the solution.
4. If the Issue is still not resolved, refer to
NOTE:
Troubleshooting
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NOTE:
The diagnostic tests are intended for Acer products only. Non-Acer products,
prototype cards, or modified options can give false errors and invalid system
responses.
Table 4-1. Common Problems
Power On Issues
No Display Issues
LCD Picture Failure
Internal Keyboard Failure
Touchpad Failure
Internal Speaker Failure
Internal Microphone Failure
USB Failure
Other Functions Failure
Intermittent Problems
Undetermined Problems
NOTE:
Do not replace non-defective FRU parts.
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Symptoms (Verified)
Online Support Information.
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