Solving Problems 79Video and Display ProblemsIf the display is blankNOTE: If you are using a program that requires a higher resolution than your computer supports, it isrecommended that you attach an external monitor to your computer.CH E C K T H E L I G H T — When the light is blinking, the computer haspower.• If the light is blinking, the computer is in standby mode—press thepower button to exit standby mode.• If the light is off, press the power button.• If the light is on, your power management settings may have caused thedisplay to turn off. Try pressing any key or move the cursor to exit standbymode.CH E C K T H E B A T T E R Y — If you are using a battery to power your computer, thebattery charge may be depleted. Connect the computer to an electrical outletusing 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 bytesting 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 theAC 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 — Bypasspower protection devices, power strips, and the extension cable to verify that thecomputer turns on.AD J U S T T H E P O W E R PR O P E R T I E S — Search for the keyword standby in theWindows Help and Support Center. To access the Help and Support Center, seepage 19.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 externalmonitor, press to switch the video image to the display.
