Table 4 (Page 2 of 5). POST Error Codes
Code Description Action
162 A change in device
configuration occurred
Verify that all external
devices are turned on.
Verify that all devices are
properly installed and
securely connected.
If you added, removed, or
changed the location of a
device, you must save the
new configuration in the
Configuration/Setup
Utility program. See
“Starting the
Configuration/Setup
Utility program” on
page 85 and Chapter 4,
“Using the
Configuration/Setup
Utility program” on
page 29 for more
information.
163 Clock not updating Have the computer serviced.
164 CMOS RAM memory size does
not match
Go to “IBM Enhanced
Diagnostics program” on
page 108 to run diagnostics.
167 Clock not updating Update the BIOS. See
“Updating system programs”
on page 27.
168 Alert on LAN is not working
correctly.
1. Go to Chapter 4, “Using
the Configuration/Setup
Utility program” on
page 29 and follow the
instructions to verify that
Alert on LAN is enabled.
2. If Alert on LAN is enabled
and you still get this error
code, have the computer
serviced.
175 System board error Have the computer serviced.
176 System cover has been
removed.
Type in the administrator
password. If problem persists,
have the computer serviced.
Chapter 7. Troubleshooting 93
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