1
Scroll Lock
2
Caps Lock
3
Num Lock
When the computer emits a flash code, write it down on a copy of the
Diagnostics Checklist
and then look up its cause and meaning
in
Table 2
. If you are unable to resolve the problem, use the
Dell Diagnostics
to identify a more serious cause. If you are still unable
to resolve the problem,
call Dell
for technical assistance.
Table 2. Flash Codes and Corrective Actions
Message
Cause
Action
1-1-3
NVRAM write/read failure.
Run the
System Set
tests in the
Dell Diagnostics
. If the program does
not load,
call Dell
for technical assistance.
1-1-4
ROM BIOS checksum failure.
Run the
System Set
tests in the
Dell Diagnostics
. If the program does
not load,
call Dell
for technical assistance.
1-2-1
Programmable interval timer failure.
Run the
System Set
tests in the
Dell Diagnostics
. If the program does
not load,
call Dell
for technical assistance.
1-2-2
DMA initialization failure.
Run the
System Set
tests in the
Dell Diagnostics
. If the program does
not load,
call Dell
for technical assistance.
1-2-3
DMA page register write/read failure.
Run the
System Set
tests in the
Dell Diagnostics
. If the program does
not load,
call Dell
for technical assistance.
1-3-1
through
2-4-4
An installed memory module is not
being properly identified or used.
Make sure that a memory module is installed in one of the memory
module sockets on the system board. The computer will not function
unless at least one memory module is installed.
3-1-1
Slave DMA register failure.
Run the
System Set
tests in the
Dell Diagnostics
. If the program does
not load,
call Dell
for technical assistance.
3-1-2
Master DMA register failure.
Run the
System Set
tests in the
Dell Diagnostics
. If the program does
not load,
call Dell
for technical assistance.
3-1-3
Master interrupt mask register failure.
Call Dell
for technical assistance.
3-1-4
Slave interrupt mask register failure.
Call Dell
for technical assistance.
3-2-4
Keyboard controller test failure.
Run the
Keyboard Controller
test in the
Dell Diagnostics
.
3-3-4
Display memory test failure.
Run the
Video Memory
test in the
Dell Diagnostics
.
3-4-1
Display initialization failure.
Run the
Video
tests in the
Dell Diagnostics
.
3-4-2
Display retrace test failure.
Run the
Video
tests in the
Dell Diagnostics
.
4-2-1
No timer tick.
Call Dell
for technical assistance.
4-2-2
Shutdown failure.
Call Dell
for technical assistance.
4-2-3
Gate A20 failure.
Call Dell
for technical assistance.
4-2-4
Unexpected interrupt in protected mode.
Call Dell
for technical assistance.
4-3-1
Memory failure above address 0FFFFh.
Run the
System Memory
tests in the
Dell Diagnostics
.
4-3-3
Timer chip counter 2 failure.
Call Dell
for technical assistance.
4-3-4
Time-of-day clock stopped.
Call Dell
for technical assistance.
Summary of Contents for Latitude CPx H Series
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