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3
Remove the cover.
4
Check the system board switches. Refer to "System Board Connectors and Switches". 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 [F1] to ignore the message and continue.
•
Press [F2] 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 [F4] to accept (validate) the change and update Setup's configuration information.
•
Press [ENTER] 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 [F4] to accept the change and update Setup's configuration
information. Otherwise, press [F1] to ignore the message and continue, or press [F2] to
run Setup and correct a system configuration error . (The number of choices you will have
available are dependent on the kind of error.)
Clearing the PC's Configuration Memory
If the PC then starts, but POST still persists in reporting an error, clear the current configuration
memory values and reinstall the built-in default values:
1
Turn off the PC, disconnect the power and cables, and remove the cover. Disconnect the
PC from any telecommunications network.
a
Set the system board switch 6 (CMOS STATUS) to CLOSED to clear the
configuration.
b
Replace the cover, and reconnect the power cable only.
c
Turn on the PC. This will erase the CMOS memory.
d
Wait until the PC has started. A message will be displayed similar to this:
"Configuration has been cleared, set switch 6 to the OPEN
position before rebooting."
Turn off the PC, disconnect the power cable, and remove the cover.
e
Set the system board switch 6 (CMOS STATUS) on the switch block to OPEN to re-
enable the configuration.
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