Dell Technology Guide
Page 275
FOR MORE INFORMATION: To learn more about the meaning of certain features. C M O S C H E C K S U M E R R O R - Possible motherboard failure or RTC battery low. D I S K R E A D F A I L U R E - During normal operation, the keyboard status lights display the current status of the ... boot routine three consecutive times for the same error (see "Contacting Dell" on page 337 for more about the meaning of the lights to learn more details. C P U F A N F A I L U R E - Replace the CPU fan (see "Contacting Dell" on page 337 for either the operating system or the program that...
FOR MORE INFORMATION: To learn more about the meaning of certain features. C M O S C H E C K S U M E R R O R - Possible motherboard failure or RTC battery low. D I S K R E A D F A I L U R E - During normal operation, the keyboard status lights display the current status of the ... boot routine three consecutive times for the same error (see "Contacting Dell" on page 337 for more about the meaning of the lights to learn more details. C P U F A N F A I L U R E - Replace the CPU fan (see "Contacting Dell" on page 337 for either the operating system or the program that...