Dell Technology Guide
Page 275
... FAILED AT CHECKPOINT [NNNN]. C M O S C H E C K S U M E R R O R - Possible motherboard failure or RTC battery low. Replace the CPU fan (see the Service Manual for your computer or see "Contacting Dell" on page 337 for assistance). CPU fan failure. H A R D - Possible HDD failure during HDD boot test (see "Contacting Dell" on page 337 for assistance). System Messages for Desktop Computers NOTE...
... FAILED AT CHECKPOINT [NNNN]. C M O S C H E C K S U M E R R O R - Possible motherboard failure or RTC battery low. Replace the CPU fan (see the Service Manual for your computer or see "Contacting Dell" on page 337 for assistance). CPU fan failure. H A R D - Possible HDD failure during HDD boot test (see "Contacting Dell" on page 337 for assistance). System Messages for Desktop Computers NOTE...
Setup Guide
Page 43
... listed in resolving this problem, please note this system have failed at support.dell.com/manuals. Battery needs replacement. Possible hard disk drive failure during HDD boot test. The computer failed to resolve the issue. CPU fan needs replacement. Keyboard failure - Replace keyboard or check the cable for assistance. NOTE: If the message you identify...
... listed in resolving this problem, please note this system have failed at support.dell.com/manuals. Battery needs replacement. Possible hard disk drive failure during HDD boot test. The computer failed to resolve the issue. CPU fan needs replacement. Keyboard failure - Replace keyboard or check the cable for assistance. NOTE: If the message you identify...