Dell OptiPlex N Troubleshooting Manual page 36

Code Cause
5-1-2 BIOS update error—no
RAM in system
5-1-3 BIOS update error—exter-
nal video card detected
5-1-4 BIOS execution error
6-1-2 I/O controller failure
6-1-3 Keyboard controller failure
6-1-4 CMOS Register Test failure
6-2-1 BIOS shadowing failure
6-2-2 Pentium speed determina-
tion failure
6-2-3 No SIMM or DIMM
installed
NOTE: For the full name of an abbreviation or acronym used in this table, see the abbreviation and acronym list that precedes the
Index.
2-12 Diagnostics and Troubleshooting Guide
Table 2-2. System Beep Codes (continued)
Action
See "Troubleshooting System Memory" in Chapter 6.
If a video expansion card is installed, disconnect the video expansion
card and connect the monitor to the built-in video subsystem. If the prob-
lem is not resolved, see "Troubleshooting the Video Subsystem" in
Chapter 6.
Run the System Set Test Group in the Dell Diagnostics. See Chapter 4,
"Running the Dell Diagnostics."
Run the System Set Test Group in the Dell Diagnostics. See Chapter 4,
"Running the Dell Diagnostics."
Run the System Set Test Group in the Dell Diagnostics. See Chapter 4,
"Running the Dell Diagnostics."
Run the System Set Test Group in the Dell Diagnostics. See Chapter 4,
"Running the Dell Diagnostics."
Run the System Set Test Group in the Dell Diagnostics. See Chapter 4,
"Running the Dell Diagnostics."
Run the System Set Test Group in the Dell Diagnostics. See Chapter 4,
"Running the Dell Diagnostics."
See "Troubleshooting System Memory" in Chapter 6.