Compaq XL190, XL180, XL191 Power-On Self Test POST, POST Error Messages, Presario 1800 Series

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