IBM Aptiva 2124 Hardware Maintenance Service page 79

Table 2- 2 Error Symptoms List
Error Symptoms
NOTE: To diagnose a problem, first find the error symptom in the left
column. If directed to a check procedure, replace the FRU indicated in the
check procedure. If no check procedure is indicated, the first Action/FRU
listed in right column is the most likely cause.
System works but fails to
enter power saving mode
when the Power Saving
Mode is set to [Enabled],
and power saving timer set
in BIOS has elapsed.
System hangs before system
boot.
System hangs after system
boot.
Blinking cursor only; system
does not work.
NOTE: Ensure that the diskette drive is configured correctly in BIOS Setup
and its read/write head is clean before diagnosing any diskette drive
problems.
Media and drive are
mismatched.
Action/FRU
Load default settings.
In Win98, check settings in Control Panel
Power utility.
Reload software from Recovery CD.
"Index of Symptoms, Messages, Error
Codes, or Beeps" on page 2-8.
"Undetermined Problems" on page 2-42.
Execute a system test ("Diagnostics/All
Tests" in PC-Doctor diagnostics program)
and set it to stop at "Halt on Error" to see the
potential cause of the problem.
"Undetermined Problems" on page 2-42.
"Start" on page 2-3.
Diskette/IDE drive connection/cables
Diskette/IDE disk drives
"Undetermined Problems" on page 2-42.
System board
Diskette Drive
Ensure that the diskette drive is configured
correctly in the Disk Drives of BIOS Setup.
Ensure that the diskette drive is correctly
formatted.
Diskette drive connection/cable
Diskette drive
System board
Check Procedures 2-15