Setup Utilities And Diagnostics Features; Power-On Self-Test (Post) - HP Dx5150 - Compaq Business Desktop Reference Manual

Setup Utilities and Diagnostics Features

Setup Utilities (F10) and diagnostic features provide information needed about the computer
system when contacting Customer Support. You can also use these tools to:
■
Change factory default settings and to set or change the system configuration, which may be
necessary when you add or remove hardware.
■
Determine if all of the devices installed on the computer are recognized by the system and
are functioning properly.
■
Determine information about the operating environment of the computer.
■
Solve system configuration errors detected but not automatically fixed during the Power-On
Self-Test (POST).
■
Establish and manage passwords and other security features.
■
Establish and manage energy-saving timeouts.
✎
All features identified in this chapter may not be available on all HP products.
2.1

Power-On Self-Test (POST)

POST is a series of diagnostic tests that runs automatically when the system is turned on. POST
checks the following items to ensure that the computer system is functioning properly:
■
Keyboard
■
Memory modules
■
Diskette drives
■
All mass storage devices
■
Processors
■
Controllers
✎
If the Power-On Password is set, a text box password prompt appears on the screen while POST
is running. You must enter the password before continuing. Refer to Chapter 3,
"Initial Configuration and Deployment."
password.
If POST finds an error in the system, an audible and/or visual message occurs. For POST error
messages and their solutions, refer to
Service Reference Guide, dx5150
for information on setting, deleting, or bypassing the
Appendix C, "POST Error Messages."
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Section 3.1,
2–1