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3 Troubleshooting Your PC
If Your PC Does Not Start Properly
1 Turn off the display, the computer, and all external devices.
2 Unplug all power cords and cables, noting their positions. Disconnect
the PC from any telecommunications network.
3 Remove the cover.
4 Check the system board switches. Refer to "System Board Switches",
on page 49. Be sure the Secure Switch is set to “open”.
5 Replace the cover.
6 Reconnect all cables and power cords.
7 Turn on the display and computer.
If a POST Error Message is Displayed
The Power-On-System-Test (POST) can detect both an error and a
change to the configuration. In either case, an error code and short
description is displayed. Depending on the kind of error, you will have
one or more of these choices available on screen:
• Press to ignore the message and continue.
• Press to run Setup and correct a system configuration error. HP
recommends that you correct the error before proceeding, even if
the PC appears to start successfully.
• Press to accept (validate) the change and update Setup’s
configuration information.
• Press to see more details about the message. After viewing
these details, you will be returned to the original POST display
screen. If the message is actually a change to the configuration you
have made (for example, you have just removed some memory), you
can then press to accept the change and update Setup’s
configuration information. Otherwise, press to ignore the
message and continue, or press to run Setup and correct a
system configuration error. (The number of choices you will have
available are dependent on the kind of error.)