Dell Technology Guide
Page 275
.... C P U F A N F A I L U R E - Replace the CPU fan (see "Contacting Dell" on the Dell Support website support.dell.com. Troubleshooting 275 System Messages for Desktop Computers NOTE: If the message you can use the status of the lights to help identify the problem. FOR HELP IN RESOLVING THIS PROBLEM, PLEASE NOTE THIS C H E C K P O I N T A N D C O N T A C T D E L L TE C H N I C A L S U P P O R T - Diagnostic Lights for assistance). Possible motherboard...
.... C P U F A N F A I L U R E - Replace the CPU fan (see "Contacting Dell" on the Dell Support website support.dell.com. Troubleshooting 275 System Messages for Desktop Computers NOTE: If the message you can use the status of the lights to help identify the problem. FOR HELP IN RESOLVING THIS PROBLEM, PLEASE NOTE THIS C H E C K P O I N T A N D C O N T A C T D E L L TE C H N I C A L S U P P O R T - Diagnostic Lights for assistance). Possible motherboard...