Dell Technology Guide
Page 275
...failed to help identify the problem. CPU fan failure. D I S K R E A D F A I C A L S U P P O R T - Possible motherboard failure or RTC battery low. Replace the CPU fan (see the Service Manual for your ... shipped with your computer). During normal operation, the keyboard status lights display the current status of certain features. ALERT! Troubleshooting 275 Replace the battery (see "Contacting Dell" on the Dell Support website support.dell.com. 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 L U R E...
...failed to help identify the problem. CPU fan failure. D I S K R E A D F A I C A L S U P P O R T - Possible motherboard failure or RTC battery low. Replace the CPU fan (see the Service Manual for your ... shipped with your computer). During normal operation, the keyboard status lights display the current status of certain features. ALERT! Troubleshooting 275 Replace the battery (see "Contacting Dell" on the Dell Support website support.dell.com. 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 L U R E...