Dell XPS 15 L502X XPS 15 L502X Setup Guide - Page 64
Solving Problems, Beep Codes - ram
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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 69 or "Contacting Dell" on page 91. 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. If this occurs, write down the beep code and contact Dell (see "Contacting Dell" on page 91 for assistance. 62 NOTE: To replace parts, see the Service Manual at support.dell.com. 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