Dell Latitude LM User Manual

Page 41

Troubleshooting Your Computer

3-7

Table 3-3. Beep Codes

Message

Cause

Action

1-2

Memory module not being
properly identified or used

See “Troubleshooting Memory” found later in this chapter

1-2-2-3

ROM BIOS checksum failure

Run the System Set Test Group in the Dell diagnostics. (See Chap-
ter 4, “Running the Dell Diagnostics,” for instructions.) If the pro-
gram does not load, call Dell for technical assistance. (For
instructions, see Chapter 5, “Getting Help.”)

1-3-1-1

DRAM refresh failure

1-3-1-3

Keyboard controller test failure

Run the Keyboard Controller Test in the Dell diagnostics. (For
instructions, see Chapter 4, “Running the Dell Diagnostics.”)

1-3-4-1

RAM failure on address line nnnn

Run the RAM Test Group in the Dell diagnostics. (See Chapter 4,
“Running the Dell Diagnostics,” for instructions.) If the program
does not load, call Dell for technical assistance. (For instructions,
see Chapter 5, “Getting Help.”)

1-3-4-3

RAM failure on data bits nnnn of
the high byte on the memory bus

1-4-1-1

RAM failure on data bits nnnn of
the low byte on the memory bus

2-1-2-3

Check ROM copyright notice
failure

2-2-3-1

Interrupt mask register failure

Call Dell for technical assistance. (For instructions, see Chapter 5,
“Getting Help.”)

NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in the online System User’s Guide.