
Index of Symptoms, Messages, Error Codes, or Beeps
How to Use Error Messages: Use the messages, error codes, and beeps combinations that occur to diagnose failures. If more than one failure occurs, diagnose from the first failure that appears. The cause of the first failure can result in false messages, error codes, or beeps. If you did not receive any messages, error codes, or beeps, see if the symptom is listed in Table
ATTENTION: When you have replaced a FRU, you must run the diagnostics to ensure that no other activity has been affected by the change. This system check can be done through the diagnostics program (Select Diagnostics, then select and execute All Tests from
POST: Some diagnostic aids are resident in the machine, such as the
After a successful POST, the system attempts to load operating system. The system can be customized for different startup (boot) methods by the BIOS Setup Utility.
The system's default startup sequence automatically looks for the operating system files in the hard disk if these files are not found in the diskette or
NOTE: Remember that POST does not test all areas, but only those that allow the system to operate well enough to run the diagnostics program.
Table
If the problem cannot be corrected using these two index tables, go to “Undetermined Problems” on page 104.
74