Power-On Self-Test (Post); Post Beep Codes - IBM IntelliStation Z Pro 6223 Hardware Maintenance Manual And Troubleshooting Manual
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- User manual (134 pages) ,
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v Diagnostic programs
v Symptom-to-FRU index
v System-board error LEDs
Power-on self-test (POST)
When you turn on the computer, the power-on self-test (POST) performs a series of
tests to check the operation of system components and some of the installed
options.
If POST finishes without detecting any problems, the first window of your operating
system or application program opens.
If POST detects a problem, more than one beep sounds and an error message
appears on the screen.
Notes:
1. If you have set a user password, you must type the password and press Enter,
2. A single problem might cause several error messages. When this occurs, work
POST beep codes
Use the following beep code descriptions to help diagnose and solve problems that
are detected during startup:
No beeps
Continuous beep
Beep codes for specific failures
The system diagnostic programs are on a hidden partition on the hard disk.
These programs are the primary methods of testing the major components of
your computer. See "Diagnostic programs and error messages" on page 16 for
more information.
This index problem symptoms and steps to correct each problem. See the
Chapter 6, "Symptom-to-FRU index," on page 83 for more information.
An LED on the system board might also be lit to help isolate an error indicated
by the system error LED on the front of the computer. See "System board error
LEDs" on page 74 for more information.
when prompted, before the operating system will start.
to correct the cause of the first error message. After you correct the cause of
the first error message, the other error messages usually will be resolved the
next time you run the test.
If no beep occurs after the computer completes POST, see Chapter 6,
"Symptom-to-FRU index," on page 83.
The startup (boot) microprocessor has failed, or the system board or
speaker subsystem might contain a failing component. If the computer
continues through POST with no errors, got to "General checkout" on page
13 and run the diagnostic programs. If no video appears, the startup
processor has failed.
Beep codes indicating specific system problems. For a list of beep codes,
see "Beep symptoms" on page 83.
15
Chapter 3. Diagnostics
- Quick Links:
- Post Beep Codes
- Beep Symptoms
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