Panasonic Toughbook CF-19AHJAX1M Reference Manual page 131

Troubleshooting (Advanced)
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Sleep or Hibernation
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Cannot enter sleep or hibernation
automatically.
The computer does not resume.
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Windows XP: standby
Sound
No sound.
Distorted sound.
Cannot change the volume by press-
ing Fn + F5 or Fn + F6.
Disconnect peripheral devices.
If you connect to a network using wireless LAN function, select the profile and
connect to the access point (
If you do not use wireless LAN function, turn off wireless LAN function
( page 86).
Make sure that you are not using any software that regularly accesses the hard
disk.
If you slide and hold the power switch for 4 seconds or longer, the power will be
turned off forcibly and the computer will not resume. In this case, all unsaved
data will be lost.
You disconnected the AC adaptor and the battery pack while the computer was
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in sleep . If the computer's power supply is disconnected in sleep
data will be lost and the computer will not resume.
The battery is exhausted. Sleep
Press Fn + F4 or Fn + F6 to cancel mute.
Press Fn + F8 to turn off the concealed mode.
Restart the computer.
Performing Fn key combinations sometimes causes sound distortion. Stop and
restart playback.
Activate the Windows sound function. When it is not active, the volume does
not change even if is displayed.
page 90).
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and hibernation consume some power.
131
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, unsaved