100
Troubleshooting (Advanced)
The computer does not resume.
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
in sleep. If the computer’s power supply is disconnected in sleep, unsaved data
will be lost and the computer will not resume.
The battery is exhausted. Sleep and hibernation consume some power.
Sound
No sound.
Press
Fn
+
F4
or
Fn
+
F6
to cancel mute.
Press
Fn
+
F8
to turn off the concealed mode.
Restart the computer.
Distorted sound.
Performing
Fn
key combinations sometimes causes sound distortion. Stop and
restart playback.
Cannot change the volume by press-
ing
Fn
+
F5
or
Fn
+
F6
.
Activate the Windows sound function. When it is not active, the volume does
not change even if
is displayed.
When logging on (e.g., resuming the
computer), audio is distorted.
Perform
the following steps to change the audio settings to prevent audio output.
A
Right-click the desktop and click [Personalize] - [Sounds].
B
Remove the check mark from [Play Windows Startup sound].
Keyboard
Only numbers can be input.
When the indicator is on, the keyboard is in ten-key mode. Press
NumLk
to
cancel.
Only capital letters can be input.
When the indicator is on, the keyboard is in Caps Lock mode.
Press
Caps Lock
to cancel.
Cannot enter special characters (ß, à,
ç, etc.) and symbols.
Use the character map. Click
(Start) - [All Programs] - [Accessories] - [Sys-
tem Tools] - [Character Map].
Network
Cannot connect to a network.
Set [LAN], or [LAN] and [Modem] to [Enabled] in the [Advanced] menu of the
Setup Utility (
).
Sleep or Hibernation
