Owner's Manual
Page 115
... from the computer or external monitor. Check the AC adapter cable connections. or down-arrow key. EL I M I N A T E P O S S I B L E I O N - If no error message appears and you want to the display. SEE "ERROR M ESSAGES" - If an error message appears, see "Contacting Dell" on . AD J U S T T H E P O W E R P R O P E R T I C S T E S T S - R U N T H E VI D E O D I A ... ELECTRICAL OUTLET - C O N N E C T T H E C O M P U T E R D I R E C T L Y T O A N E L E C T R I T O R - If your computer is working by testing it with another device, such as a lamp. CHECK THE AC ADAPTER -
... from the computer or external monitor. Check the AC adapter cable connections. or down-arrow key. EL I M I N A T E P O S S I B L E I O N - If no error message appears and you want to the display. SEE "ERROR M ESSAGES" - If an error message appears, see "Contacting Dell" on . AD J U S T T H E P O W E R P R O P E R T I C S T E S T S - R U N T H E VI D E O D I A ... ELECTRICAL OUTLET - C O N N E C T T H E C O M P U T E R D I R E C T L Y T O A N E L E C T R I T O R - If your computer is working by testing it with another device, such as a lamp. CHECK THE AC ADAPTER -