Dell Inspiron N4020 Setup Guide - Page 43

INSPIRON 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 48 or "Contacting Dell" on page 72. WARNING: Only trained service personnel should remove the computer cover. See the Service Manual at support.dell.com/manuals for advanced service instructions. Beep Codes Your computer might emit a series of beeps during start-up if there are errors or problems. This series of beeps, called a beep code, identifies a problem. Write down the beep code and contact Dell (see "Contacting Dell" on page 72). NOTE: To replace parts, see the Service Manual at support.dell.com/manuals. Beep Code Possible Problem One Possible system board failure - BIOS ROM checksum failure Two No RAM detected NOTE: If you installed or replaced the memory module, ensure that the memory module is seated properly. Three Possible system board failure - Chipset error Four RAM read/write failure Five Real Time Clock failure Six Video card or chip failure Seven Processor failure Eight Display failure 41