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Chapter 4
Troubleshooting
Use the following procedure as a guide for computer problems.
NOTE: The diagnostic tests are intended to test this model.
1.Duplicate symptom and obtain the failing symptoms in as much detail as possible.
2.Distinguish symptom. Verify the symptoms by attempting to
3.Disassemble and assemble the unit without any power sources.
4.If any problem occurs, you can perform visual inspection before you fellow this chapter’s instructions. You can check the following:
power cords are properly connected and secured; there are no obvious shorts or opens;
there are no obviously burned or heated components; all components appear normal.
5.Use the following table with the verified symptom to determine which page to go to.
Symptoms (Verified) | Go To |
|
|
Power failure. (The power indicator does not go | “Power System Check” on page 59. |
on or stay on.) |
|
|
|
POST does not complete. No beep or error | |
codes are indicated. | page 61 |
| “Undetermined Problems” on page 71 |
|
|
POST detects an error and displayed messages | “Error Message List” on page 62 |
on screen. |
|
|
|
Other symptoms (i.e. LCD display problems or | |
others). | page 61 |
|
|
Symptoms cannot be | Use the |
problems). | |
| page 61 |
| “Intermittent Problems” on page 70 |
| “Undetermined Problems” on page 71 |
|
|
Chapter 4 | 57 |