Troubleshooting
Display
Why did my screen go blank?
❑Your computer screen may go blank if the computer loses power or enters a power saving mode (Sleep or Hibernate). If the computer is in LCD (Video) Sleep mode, press any key to bring the computer back into Normal mode. See Using the Power Saving Modes (page 102) for more information.
❑Make sure your computer is securely plugged into a power source and turned on. Make sure the power indicator shows the power is on.
❑If your computer is using battery power, make sure the battery pack is installed properly and is charged. See Using the Battery Pack (page 22) for more information.
❑If the display mode is set to the external display, press the Fn+F7 keys. See Combinations and Functions with the Fn Key (page 31) for more information.
What should I do if no image is displayed on my TV screen or external display connected to the HDMI port?
Make sure you are using an