Solving Problems

This section provides troubleshooting information for your computer. If you cannot solve your problem using the following guidelines, see “Using Support Tools” on page 38 or “Contacting Dell” on page 55.

WARNING: Only trained service personnel should remove the computer cover. See the Service Manual on the Dell Support website at support.dell.com for advanced service and troubleshooting instructions.

Beep Codes

Your computer might emit a series of beeps during start-up if the monitor cannot display errors or problems. The following repetitive beep codes help you troubleshoot problems with your computer.

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 55).

Two beeps No RAM Detected

Remove the memory modules, reinstall one module and restart the computer. If the computer starts normally, reinstall an additional module. Continue until you have identified a faulty module or reinstalled all modules without an error.

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Dell PP40L, 0C547MA00 setup guide Solving Problems, Beep Codes