Dell Technology Guide
Page 275
... that was running when the message appeared. Possible motherboard failure or RTC battery low. C P U F A N F A I L U R E - Replace the CPU fan (see "Contacting Dell" on page 337 for assistance). See the documentation shipped with your computer or see "Contacting Dell" on page 337 for assistance). Replace the battery (see the documentation shipped with your computer for Laptop...
... that was running when the message appeared. Possible motherboard failure or RTC battery low. C P U F A N F A I L U R E - Replace the CPU fan (see "Contacting Dell" on page 337 for assistance). See the documentation shipped with your computer or see "Contacting Dell" on page 337 for assistance). Replace the battery (see the documentation shipped with your computer for Laptop...