Dell Technology Guide
Page 275
... malfunctions, you received is not listed in the table, see the documentation for Laptop Computers Typically laptop computers have keyboard status lights located above the keyboard. System Messages for Desktop Computers... NOTE: If the message you can use the status of the lights to help identify the problem. Possible motherboard failure or RTC battery low. CPU fan failure. H A R D - D I S K R E A D F A I L U R E - Possible HDD failure during HDD boot test (see "Contacting Dell...
... malfunctions, you received is not listed in the table, see the documentation for Laptop Computers Typically laptop computers have keyboard status lights located above the keyboard. System Messages for Desktop Computers... NOTE: If the message you can use the status of the lights to help identify the problem. Possible motherboard failure or RTC battery low. CPU fan failure. H A R D - D I S K R E A D F A I L U R E - Possible HDD failure during HDD boot test (see "Contacting Dell...