
System Beep Codes
If an error that cannot be reported on the screen occurs during POST, the system may emit a series of beeps that identifies the problem.
If a beep code is emitted, write down the series of beeps and then look it up in Table1-7. If you are unable to resolve the problem by looking up the meaning
of the beep code, use system diagnostics to identify the possible cause. If you are still unable to resolve the problem, see Getting Help.
Table 1-7.SystemBeepCodes
Utility partition not available
<F10> key was pressed
during POST, but no utility
partition exists on the boot
hard drive.
Create a utility partition on the
boot hard drive. See the CDs
that came with your system.
Warning! No microcode
update loaded for processor
n
Update the BIOS firmware
using the Dell Support website
at support.dell.com.
Write fault
Write fault on selected
drive
Faulty diskette, diskette
drive, optical drive and/or
hard drive.
Replace the diskette. Ensure
that the diskette drive, optical
drive, and hard- drive cables
are properly connected. See
Troubleshooting a Diskette
Drive, Troubleshooting an
Optical Drive, or
Troubleshooting a Hard Drive
for the appropriate drive(s)
installed in your system.
NOTE: If the system boots without a keyboard, mouse, or monitor attached, the system does not issue beep codes related to those peripherals.
CPU register test failure
See Troubleshooting the Microprocessor.
CMOS write/read failure; faulty
system board
Replace faulty system board. See Getting
Help.
Programmable interval-timer failure;
faulty system board
Replace faulty system board. See Getting
Help.
DMA initialization failure
See Troubleshooting System Memory.
DMA page register write/read failure
Main-memory refresh verification
failure
Chip or data line failure in the first
64KBofmainmemory
Odd/even logic failure in the first
64KBofmainmemory
Addresslinefailureinthefirst64KB
of main memory
Parityfailureinthefirst64KBof
main memory
Fail-safe timer test failure
Software NMI port test failure
Bitfailureinthefirst64KBofmain
memory
Slave DMA-register failure
Replace faulty system board. See Getting
Help.
Master DMA-register failure
Master interrupt-mask register
failure
Slave interrupt-mask register failure
Interrupt vector loading failure
Keyboard-controller test failure
System configuration check failure
Keyboard controller not detected
Video memory test failure
Screen initialization failure
Screen-retrace test failure
Replace faulty system board. See Getting
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