Video and Display Problems
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
If the display is blank
NOTE: If you are using a program that requires a higher resolution than your computer supports, it is recommended that you attach an external monitor to your computer.
— If you are using a battery to power your computer, the battery charge may be depleted. Connect the computer to an electrical outlet using the AC adapter, and turn on the computer.
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.
A D J U S T T H E P O W E R P R O P E R T I E S — Search for the keyword standby in the Windows Help and Support Center. To access the Help and Support Center, see "Windows Help and Support Center" on page 13.
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><F8> 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> and the up- or
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.
A D J U S T T H E W I N D O W S D I S P L A Y S E T T I N G S —
1Click the Start button and then click Control Panel.
2Click Appearance and Themes.
3Click the area you want to change or click the Display icon.
4Try 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 "Error Messages" on page 88.
