Dell Technology Guide
Page 275
...operation, the keyboard status lights display the current status of certain features. FOR MORE INFORMATION: to help identify the problem. H A R D - ALERT! Replace the battery (see the documentation shipped with your computer for more details. D I S K R E A D F A I L U R E ...Dell Support website support.dell.com. 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). PREVIOUS ATTEMPTS AT BOOTING THIS SYSTEM HAVE FAILED AT CHECKPOINT [NNNN]. Possible motherboard...
...operation, the keyboard status lights display the current status of certain features. FOR MORE INFORMATION: to help identify the problem. H A R D - ALERT! Replace the battery (see the documentation shipped with your computer for more details. D I S K R E A D F A I L U R E ...Dell Support website support.dell.com. 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). PREVIOUS ATTEMPTS AT BOOTING THIS SYSTEM HAVE FAILED AT CHECKPOINT [NNNN]. Possible motherboard...