Chapter 4
Troubleshooting
Use the following procedure as a guide for computer problems.
NOTE: The diagnostic tests are intended to test this model (TravelMate 420 series).
1.Obtain the failed symptoms in as much detail as possible.
2.Verify the symptoms by attempting to
3.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.
4.After you perform visual inspection you can also verify the following:
ask the user if a password is registered and, if it is, ask him or her to enter the password.
verify with the customer that Wndows XP is installed on the hard disk. Operating systems that were not preinstalled by Acer can cause malfunction.
make sure all optional equipment is removed from the computer. make sure the floppy disk is empty.
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 79. |
on or stay on.) |
|
|
|
POST does not complete. No beep or error | |
codes are indicated. | page 83 |
| “Undetermined Problems” on page 90 |
|
|
POST detects an error and displayed messages | “Error Message List” on page 84 |
on screen. |
|
|
|
The diagnostic test detected an error and | “System Diagnostic Diskette” on page 52 |
displayed a FRU code. |
|
|
|
Other symptoms (i.e. LCD display problems or | |
others). | page 83 |
|
|
Symptoms cannot be | Use the |
problems). | |
| page 83 |
| “Intermittent Problems” on page 89 |
| “Undetermined Problems” on page 90 |
|
|
Chapter 4 | 77 |