2.3 Power-On Self-Test (POST)
The
To run POST, complete the following steps:
1.Complete the preliminary steps (Section 2.1).
2.Turn on the computer.
If POST does not detect any errors, the computer beeps once or twice to indicate that POST has run successfully. The computer boots from the hard drive or from a bootable diskette if one is installed in the diskette drive.
2.4 POST Error Messages
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 in Section 2.6.
If POST detects an error, one of the following events occurs:
■A message with the prefix "WARNING" appears, informing you where the error occurred. The system pauses until you press F1 to continue. You should be able to correct problems that produce WARNING messages.
■A message with the prefix "FATAL" appears, informing you where the error occurred. After the message, the system emits a series of beeps, then stops.