Beep codes – Dell Precision 350 User Manual
Page 9
Beep Codes
Your computer might emit a series of beeps during start-up if the monitor cannot display errors or problems. This series of beeps, called a beep code, identifies
a problem. One possible beep code (code 1-3-1) consists of one beep, a burst of three beeps, and then one beep. This beep code tells you that the computer
encountered a memory problem.
If your computer beeps during start-up:
1.
Write down the beep code on the
Diagnostics Checklist
, and perform the action recommended in the following table.
2.
to identify a more serious cause.
3.
Contact Dell
for technical assistance.
Possible USB failure.
Reinstall all USB devices, check cable connections, and then restart the computer.
No memory modules are installed.
Reinstall all memory modules and then restart the computer.
If the problem persists,
contact Dell
.
Possible system board failure.
Perform the procedures in "
System Board Problems
."
If the problem persists,
contact Dell
.
Memory modules are detected, but a
memory configuration or compatibility
error exists.
Ensure that there are no special memory module/memory connector placement requirements
(see "
Memory
").
Verify that the memory modules that you are installing are compatible with your computer
(see "
Memory
").
Reinstall the memory modules and then restart the computer.
If the problem persists,
contact Dell
.
Possible system board resource and/or
hardware failure.
Perform the procedure in "
System Board Problems
" and see "
If the problem persists,
contact Dell
.
Possible expansion card failure.
1.
Determine if a conflict exists by removing a card (not the video card) and then
restarting the computer.
2.
If the problem persists, reinstall the card that you removed, remove a different card,
and then restart the computer.
3.
Repeat this process for each card. If the computer starts normally, troubleshoot the
last card removed from the computer for resource conflicts (see "
and Hardware Incompatibilities
4.
If the problem persists,
contact Dell
.
Other failures has occurred.
Ensure that the cables are properly connected from the hard drive, CD drive, and DVD drive
to the system board.
If the problem persists,
contact Dell
.
Normal operating condition after POST.
None.
Code
Cause
1-1-2
Microprocessor register failure
1-1-3
NVRAM
1-1-4
ROM BIOS checksum failure
1-2-1
Programmable interval timer
1-2-2
DMA initialization failure
1-2-3
DMA page register read/write failure
1-3
Video Memory Test failure
1-3-1 through 2-4-4 Memory not being properly identified or used