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Compaq.com - Compaq Presario 1200 Series Maintenance and Service Guide - Models: 1255, 1257, 1260, 1262, 1266, and 1267
United States June 27, 104
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Maintenance & Service Guide
Presario 1200 Series
Models: 1255, 1257, 1260, 1262, 1266, and 1267
| Home Page | Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications
Pin Assignments | Battery Pack Operations
Power-On Self Test (POST)
Running POST
To run POST, complete the following steps:
● Turn off the computer, then turn on the computer.
● If POST does not detect any errors, the computer will not beep. This indicates successful
completion of POST test. POST has run successfully and boots from the hard drive (or from
a bootable diskette if one is installed in the diskette drive).
● If POST detects errors, the errors are indicated by screen and/or audible messages. Refer
to "Power-On Self-Test (POST) Codes" in the tables for a list of POST codes and their
relevant descriptions.
NOTE:
If the system is not functioning well enough to run POST, or if the display is not functioning
well enough to show POST error messages, refer to the Troubleshooting tables.
Power-On Self-Test Messages
102-System Board Failure
Probable Cause Recommended Action
DMA, timers, etc. Replace the system board.
162-System Options Not Set
Probable Cause Recommended Action
Configuration incorrect Run Computer Setup.
CMOS reflects that an invalid
configuration has been set.
Run Computer Setup.
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