9-8 TroubleshootingThe computer does not enter Sleep/Standby or Hibernation modeimmediately.z If the computer is performing an operation, it normally waits for theoperation to finish.The computer does not resume from Sleep/Standby or Hibernationmode.z The computer automatically enters Sleep/Standby or Hibernation modewhen the battery pack is empty. Do any one of the following:− Connect the AC adapter to the computer.− Replace the empty battery pack with a fully charged one.The computer does not enter Hibernation mode with the Fn+F12 hotkeys.z Make sure that the Hibernation function is specified for the sleepbutton.z You might be using a PC card that prevents the computer from enteringHibernation mode. To enter the mode, stop the communication programand then remove the card or stop the card.Software ProblemsAn application program does not work correctly.z Make sure that the software is correctly installed.z If an error message appears on the screen, consult the softwareprogram’s documentation for further information.z If you are sure the operation has stop, reset the computer. (See“Resetting the Computer” later in this chapter.)Sound ProblemsNo sound is produced.z Make sure that the volume control is not set too low.
