Acer Aspire Timeline 4810TZ, Service Manual

Page: 87 / 148

Chapter 4 79
Use the following procedure as a guide for computer problems.
NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer products, prototype cards, or
modified options can give false errors and invalid system responses.
1. Obtain the failing symptoms in as much detail as possible.
2. Verify the symptoms by attempting to re-create the failure by running the diagnostic test or by repeating
the same operation.
3. 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 on or stay on.) See “Power System Check” on page 81..
POST does not complete. No beep or error
codes are indicated. See “Post Code Table” on page 84.
“Undetermined Problems” on page 92
POST detects an error and displayed
messages on screen. See “Post Code Table” on page 84.
Other symptoms (i.e. LCD display problems
or others). See “Post Code Table” on page 84.
Symptoms cannot be re-created
(intermittent problems). Use the customer-reported symptoms and
go to “Post Code Table” on page 84.
See “Intermittent Problems” on page 91.
See “Undetermined Problems” on page 92.
Troubleshooting
Chapter 4