Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL184, XL185,
and XL190, XL191, XL192
Power-On Self Test (POST)
To run POST, complete these steps:
Turn off the Notebook, then turn it on again. As soon as the Compaq logo appears press the ESC key to display the POST messages as they occur. Remember any POST error codes that are displayed.
If the Notebook does not beep, POST has successfully completed its test and detected no errors. The Notebook with automatically restart.
Note: If a bootable diskette is installed in the diskette drive, the system will boot from the diskette instead of the hard drive.
However, if POST detects errors, the Notebook will beep and/or display a text message.
Note: If the Notebook is not functioning well enough to complete POST, or the display is uable to show POST error messages, refer to the solution tables later in this chapter.
POST Error Messages
A list of POST error codes and their descriptions are shown in the tables below.
102-System Board Failure
Probable Cause
DMA, timers, and so on
Recommended Action
Replace the system board.
162-System Options Not Set
Probable Cause
Incorrect configuration
CMOS reflects an invalid configuration setting.
RAM failure
Memory test data error
XX000YZZ RAM failure
Recommended Action
Run Setup.
Run Setup.
1.Replace the memory modules.
2.Replace the system board.
1.Replace the memory modules.
2.Replace the system board.
Replace the system board.
4 TROUBLESHOOTING | PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES |