w w w . d e l l . c o m s u p p o r t . d e l l . c o m
TE S T T H E E L E C T R I C A L O U T L E T — Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
CH E C K T H E AC A D A P T E R — Check the AC adapter cable connections. If the AC adapter has a light, ensure that it is on.
CO 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 C A L O U T L E T —
Bypass power protection devices, power strips, and the extension cable to verify that the computer turns on. To access the help file, see page 104.
AD J U S T T H E PO W E R PR O P E R T I E S — Search for the keyword standby in the Help and Support Center. For instructions on accessing help files, see page 104.
SW I T C H T H E V I D E O I M A G E — If your computer is attached to an external
monitor, press 
to switch the video image to the display.
If the display is difficult to read
AD J U S T T H E B R I G H T N E S S — See the Tell Me How help file for instructions on adjusting the brightness. To access the help file, see page 104.
MO V E T H E S U B W O O F E R A W A Y F R O M T H E C O M P U T E R O R M O N I T O R —
If your external speaker system includes a subwoofer, ensure that the subwoofer is at least 60 cm (2 ft) away from the computer or external monitor.
EL I M I N A T E P O S S I B L E I N T E R F E R E N C E — Turn off nearby fans, fluorescent lights, halogen lamps, or other appliances.
RO T A T E T H E C O M P U T E R T O F A C E A D I F F E R E N T D I R E C T I O N —
Eliminate sunlight glare, which can cause poor picture quality.
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Solving Problems