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.
C H 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 the light is on.
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 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.
S W 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 <Fn><F3> to switch the video image to the display.
If the display is difficult to read
A D J U S T T H E B R I G H T N E S S — Press <Fn><F8> to increase the brightness and <Fn><F9> to decrease the brightness.
M O V E T H E E X T E R N A L 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.
E L 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.
R O 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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1 Click the Start button and then click Control Panel.
2 Click Appearance and Themes.
3 Click the area you want to change or click the Display icon.
4 Try different settings for Color quality and Screen resolution.
S E E "E R R O R M E S S A G E S " — If an error message appears, see page 48.
Solving Problems
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