Beep Codes and System Messages A-3
11 Cache memory error See the chapter titled “Getting Help” in your Diagnostics and Trouble-
shooting Guide for instructions on obtaining technical assistance.
1-2 No video card installed Install a video card in one of the expansion slots on the system
board. For instructions, see “Installing an Expansion Card” in the
section on installing system board options in the online System
User’s Guide.
1-3 No monitor connected Connect a monitor’s video cable to the video connector on the back
of the computer. For the location of the video connector, see “Back-
Panel Features” in the features section of the online System User’s
Guide.
Table A-1. POST Beep Codes (continued)
Beep Code Possible Cause Corrective Action
NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in the online System User’s Guide.