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Using Support Tools
Beep Codes
Your computer may emit a repetitive beep code
during start-up to help troubleshoot problems
when error messages cannot be displayed.
NOTE: To replace parts see the
Service
Manual
on the Dell Support website at
support.dell.com.
One beep —
BIOS ROM checksum failure.
Possible motherboard failure
Contact Dell (see “Contacting Dell” on page 48).
Two beeps —
No RAM Detected
Remove the memory modules, reinstall one •
module and restart the computer. If the
computer starts normally, reinstall each
module until you can identify a faulty module
or reinstall the modules without an error.
If available, install memory modules of the •
same type in your computer.
If the problem persists, contact Dell (see •
“Contacting Dell” on page 48).
Three beeps —
Possible motherboard failure
Contact Dell (see “Contacting Dell” on page 48).
Four beeps —
RAM Read/Write failure
Ensure that no special memory module/•
memory connector placement requirements
exist (see the
Service Manual
on the Dell
Support website at support.dell.com).
Verify that the memory modules that you are •
installing are compatible with your computer.
If the problem persists contact Dell (see •
“Contacting Dell” on page 48).
Five beeps —
Real Time Clock Failure
Replace the battery.
Six beeps —
Video BIOS Test Failure
Contact Dell (see “Contacting Dell” on page 48).
Seven beeps (Inspiron 535s and 545s only) —
CPU Failure
Contact Dell (see “Contacting Dell” on page 48).