Dell Technology Guide
Page 275
...lights to complete the boot routine three consecutive times for the same error (see "Contacting Dell" on page 337 for assistance). CPU fan failure. Replace the CPU fan (see "Contacting Dell" on page 337 for assistance). During normal operation, the keyboard status lights display the... current status of certain features. Possible HDD failure during HDD boot test (see the Service Manual for your computer...
...lights to complete the boot routine three consecutive times for the same error (see "Contacting Dell" on page 337 for assistance). CPU fan failure. Replace the CPU fan (see "Contacting Dell" on page 337 for assistance). During normal operation, the keyboard status lights display the... current status of certain features. Possible HDD failure during HDD boot test (see the Service Manual for your computer...
Setup Guide
Page 52
... Service Manual at support.dell.com/mauals or contact Dell for assistance (see the Service Manual at support.dell.com/manuals). CPU fan failure - Possible hard drive failure during HDD boot test. Contact Dell (see the Service Manual at support.dell.com/manuals. No boot device available - Replace the CPU fan (see "Contacting Dell" on page 71). 50...
... Service Manual at support.dell.com/mauals or contact Dell for assistance (see the Service Manual at support.dell.com/manuals). CPU fan failure - Possible hard drive failure during HDD boot test. Contact Dell (see the Service Manual at support.dell.com/manuals. No boot device available - Replace the CPU fan (see "Contacting Dell" on page 71). 50...