Beep Codes
Your computer may emit a repetitive beep code during
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).
Using Support Tools
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).
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