Dell Technology Guide
Page 275
...Dell Support website support.dell.com. Possible motherboard failure or RTC battery low. C P U F A N F A I L U R E - D I S K R E A D F A I L U R E - Diagnostic Lights for assistance). 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 - Replace the battery (see "Contacting Dell... NOTE: If the message you can use the status of the various diagnostic lights displayed, see "Contacting Dell" on page 337 for Laptop Computers Typically laptop computers have keyboard status lights located above the keyboard. ...
...Dell Support website support.dell.com. Possible motherboard failure or RTC battery low. C P U F A N F A I L U R E - D I S K R E A D F A I L U R E - Diagnostic Lights for assistance). 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 - Replace the battery (see "Contacting Dell... NOTE: If the message you can use the status of the various diagnostic lights displayed, see "Contacting Dell" on page 337 for Laptop Computers Typically laptop computers have keyboard status lights located above the keyboard. ...