Start - Aptiva (SL-A) 2139/53/58/63
Start
This is the entry point for all check procedures.
The check procedures use failure symptoms, Power-On Self Test (POST) error codes, or beeps to help
determine the defective field replaceable unit (FRU).
Follow the suggested check procedures or use the diagnostics diskette to determine the problem FRU.
-IMPORTANT- Replace FRUs ONLY when it is determined that the error is not a
result of software, loose contacts, or dirty component surfaces. Any FRU
change should be verified by running a complete test ('Diagnostics - All Tests' in PC-Doctor diagnostics program).
The 2158/63 and 2139/53 book comes with a diagnostic program diskette.
The diskette should be used ONLY with 2158/2163 Service Level A (SL-A)
- or -
the diskette can be used ONLY with 2139/2153 Service Level A (SL-A) IBM Aptiva Personal Computers.
Do not use the diskette on other models.
POST error codes and error messages are displayed on the screen after the IBM logo.
Meanwhile, error beeps could be issued to help diagnose system problem.
Please refer to 'Index of Symptoms, Messages, Error Codes, or Beeps' for additional help.
All voltages in the check procedures are positive unless otherwise indicated.
Use frame ground for all voltage checks unless otherwise specified.
IMPORTANT: There is a Power Override switch located at the back of the
machine, just above the connector for the power cable.
If the system does not power on after pressing the power button situated on the front
of the machine, please check the power cable and the Power Override switch.
If the Power Override switch is switched on, no power is supplied to the system.
NOTE: If the check procedures instruct you to replace a FRU and the error
message persists, an option adapter card might be causing the failure.
Remove all option adapter cards, one at a time, until the error changes
or the problem is no longer apparent.
Replace the last option adapter card removed.
The hard disk drive contains pre-loaded software. Refer to 'Software Recovery Procedure' to reinstall the original software. Be sure to reload the
software on the primary hard disk drive (Drive C) when replacing it.
IMPORTANT: The drives in the system you are servicing may have been
rearranged, or the drive startup sequence has changed.
Be extremely careful during write operations, such as copying, saving, or formatting.
Data or programs can be overwritten if you select an incorrect drive.
Ask the customer to back up any additional software from the hard disk
drive before you reload the software.
How to Diagnose Combined FRUs: - If an adapter or device consists of more
than one FRU, any of the FRUs might cause an error code.
Before replacing the device or adapter, remove the FRUs one by one to see if the symptoms change.
If a newly replaced FRU does not correct the problem: - If you have reached
this point of the check procedures and were instructed to replace a FRU but
doing so did not correct the problem, reinstall the original FRU and go through 'Start' again.
If you want to print a copy of a BIOS Setup Utility screen to an attached printer,
press Print Screen key while the following screen is displayed.
READ THE FOLLOWING:
Human Error is a cause for concern when applied to check procedures.
It exists in every first time set of analysis procedures.
It is therefore essential for effective and time-efficient servicing that each stage of
every procedure be verified.
(For example: When a symptom is found, or when a symptom appears to have been cured, the preceding steps
should be repeated for accuracy of analysis.)
+---+
|001|- START
+---+
° To begin, note the following:
° Disable the setting of 'Fast POST Mode' in BIOS Setup.
° To disable or reset the power-on password, see 'Power-On Password'
° Disconnect all external cables and devices including speakers and
microphone from the system unit, except for the keyboard, mouse, and monitor.
° Power off the system unit (unplug the power cord) before moving it or when replacing FRUs.
° Remove all adapter cards, except for the factory-installed modem adapter
card and any other IBM Aptiva factory-installed adapter cards.
° Disconnect all drives except:
- 3.5-in. diskette drive
- Hard disk drive
- IBM Aptiva factory-installed devices (such as a CD-ROM drive)
° Ensure that all power cords and cables are connected properly.
° Ensure that the monitor brightness and contrast controls are not turned down.
° Power on the system unit.
NOTE: Some monitors have a detachable system I/O signal cable between the
monitor and the system unit. In this case, check this signal cable before
replacing the unit. See 'Monitor Port Signals' for pin identification.
° Ensure correct monitor refresh rate.
° Note any symptoms, messages, error codes, or beeps.
° Make sure that there are no diskette or CD in the drives.
+---+
|002|- DOES AN IBM LOGO SCREEN APPEAR? (YES, READ AHEAD. NO, GO TO STEP 004.)
+---+
° Insert diagnostics diskette in the diskette drive.
+---+
|003|- DOES SYSTEM LOAD THE DIAGNOSTICS PROGRAM FROM THE DISKETTE DRIVE?
+---+ (YES, READ AHEAD. NO, GO TO STEP 004.)
° Follow the instructions on the screen and select Utility from the diagnostics program menu.
° Select Tech Support Form from the menu, press F5 to execute, then generate a
system configuration report.
° Compare the system configuration list with the actual devices installed in system.
NOTE: If necessary, remove the machine cover and visually compare the
devices installed in system to those shown in the system configuration report.
° Go to step 006
+---+
|004|- DO ANY MESSAGES, ERROR CODES, OR SYMPTOMS APPEAR?
+---+ (YES, READ AHEAD. NO, GO TO STEP 005)
° Go to 'Index of Symptoms, Messages, Error Codes, or Beeps'
° End.
+---+
|005|
+---+
° If the keyboard responds incorrectly, go to 'Keyboard'
° If monitor problems appear, such as jittering, shifting, or being out of focus,
go to 'Monitor'
+---+
|006|- DOES THE SYSTEM CONFIGURATION REPORT CORRECTLY IDENTIFY THE DEVICES INSTALLED IN SYSTEM?
+---+ (YES, READ AHEAD. NO, GO TO STEP 007.)
° Select Diagnostics from the diagnostics program menu.
° Select and execute All Tests.
- Go to step 008.
+---+
|007|
+---+
° The system configuration report shows only those devices supported by the diagnostics diskette.
° If a device is missing from the list and is not factory installed, refer to the
service manual provided for that device. (Refer to the Appendix C, 'Model/
Monitor Configurations and FRU Part Numbers' to determine the factory installed devices
in the model you are servicing.)
+---+
|008|- DO THE DIAGNOSTICS FINISH WITHOUT ANY ERRORS? (YES, READ AHEAD. NO, GO TO STEP 009.)
+---+
° If the Diagnostics \ All Tests did not detect a failure but the system still
indicates a failure:
- Check all adapter card jumper settings.
- Check all adapter card switch settings.
- Check all adapter card cables and connectors. Make sure that all of the above are set
correctly and show the correct voltages and continuity.
Replace any defective cables or adapter cards.
-- Parts/Test Point Locations --
for 2139
for 2153/K6
for 2153/Celeron ™
for 2158
for 2163
- Run the Diagnostics \ All Tests again.
- If an error or other symptom is displayed, go to
'Index of Symptoms, Messages, Error Codes, or Beeps'
- If no error can be detected or the symptom is intermittent, go to 'Undetermined Problems'
° End
+---+
|009|
+---+
° If the last test stops and you cannot continue, first make sure all switches,
power connectors, cables, and jumpers are set correctly and show the
correct voltages and continuity.
° Take note of any messages, error codes, beeps, or new symptoms. Go to
'Index of Symptoms, Messages, Error Codes, or Beeps'
° If there is no error symptom or the error symptom is intermittent, go to
'Undetermined Problems'
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