Troubleshooting - Compaq 1200US - Presario - Celeron 800 MHz Maintenance And Service Manual

Models: 1234, 1235, 1236, 1237, 1238, 1240, 1242, 1250, and 1252
Before You Begin
Removal Sequence
Product Description

Troubleshooting

Preliminary Steps
Clearing the Power-
On Password
Power-On Self Test
(POST)
Compaq Diagnostics
Diagnostic Error
Codes
Troubleshooting
Without Diagnostics
Solving Minor
Problems
Contacting Compaq
Support
Presario 1200 Series
Specifications
Troubleshooting
Pin Assignments
This section covers troubleshooting information for
the Compaq Presario 1200 Series Portable
Computers. The basic steps in troubleshooting
include:
1. Follow the
2. Run the
(POST).
3. Follow the recommended
actions described in the
diagnostic tables, if you are
unable to run POST or if POST
displays an error message.
When following the
recommended actions in the
Sections on POST and
Diagnostic Error Codes
them in the order listed. Rerun
POST after each recommended
action until the problem is
solved and no error message
occurs. Once the problem is
solved, do not complete the
remaining recommended
actions.
NOTE:
Battery Operations
Preliminary
Power-On Self-Test
If the problem is
intermittent, check the
computer several times
to verify that the problem
is solved.
Parts Catalog
Index
Steps.
perform