Dell Technology Guide
Page 275
... lights to help identify the problem. See the documentation shipped with your computer or search for the topic on the Dell Support website support.dell.com. C M O S C H E C K S U M E R R O R - Possible motherboard failure or RTC battery low. CPU fan failure. H A R D - The computer failed to learn more about the meaning of certain features. C P U F A N F A I L U R E - Replace the battery (see the documentation...
... lights to help identify the problem. See the documentation shipped with your computer or search for the topic on the Dell Support website support.dell.com. C M O S C H E C K S U M E R R O R - Possible motherboard failure or RTC battery low. CPU fan failure. H A R D - The computer failed to learn more about the meaning of certain features. C P U F A N F A I L U R E - Replace the battery (see the documentation...
Owner's Manual
Page 86
... on page 157). K E Y B O A R D F A I L U R E - Replace battery (see "Contacting Dell" on page 200 for assistance). CPU fan failure. Check cable connections (see "Processor" on page 166). Replace floppy disk/check for assistance. ALERT! FOR HELP IN RESOLVING THIS ...PROBLEM, PLEASE NOTE T H I S 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 - Replace CPU fan (see "Contacting Dell" on page 200 for assistance). Possible motherboard failure or RTC battery low. A cable may be loose, or the computer configuration information may be defective...
... on page 157). K E Y B O A R D F A I L U R E - Replace battery (see "Contacting Dell" on page 200 for assistance). CPU fan failure. Check cable connections (see "Processor" on page 166). Replace floppy disk/check for assistance. ALERT! FOR HELP IN RESOLVING THIS ...PROBLEM, PLEASE NOTE T H I S 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 - Replace CPU fan (see "Contacting Dell" on page 200 for assistance). Possible motherboard failure or RTC battery low. A cable may be loose, or the computer configuration information may be defective...