Dell Technology Guide
Page 275
...If the message you can use the status of the various diagnostic lights displayed, see the Service Manual for your computer or see "Contacting Dell" on the Dell Support website support.dell.com. The computer failed to help identify the problem. H A R D - If the ...Dell" on page 337 for more about the meaning of the lights to complete the boot routine three consecutive times for the same error (see the Service Manual for the topic on page 337 for Laptop Computers Typically laptop computers have keyboard status lights located above the keyboard. ALERT! Possible motherboard...
...If the message you can use the status of the various diagnostic lights displayed, see the Service Manual for your computer or see "Contacting Dell" on the Dell Support website support.dell.com. The computer failed to help identify the problem. H A R D - If the ...Dell" on page 337 for more about the meaning of the lights to complete the boot routine three consecutive times for the same error (see the Service Manual for the topic on page 337 for Laptop Computers Typically laptop computers have keyboard status lights located above the keyboard. ALERT! Possible motherboard...