Toshiba Satellite L855 - Manual (Page 125)

Problem Procedure
USB device does not
work Remove the USB device from the computer and
then reconnect it to a free port in order to ensure it
is firmly attached.
Ensure that any required USB device drivers are
properly installed - to achieve this you should refer
to both the device documentation and the
operating system documentation.
Sleep and Charge function
For more information and settings, please refer to the Using the TOSHIBA
Sleep Utility section in Chapter 4, Utilities & Advanced Usage.
Problem Procedure
I cannot use the
Sleep and Charge
function. Sleep and Charge function may be disabled.
Select the "Enable Sleep and Charge" check box
in the TOSHIBA Sleep utility to enable this
function.
When there is a current overflow of the external
device connected to the compatible port, USB bus
power (DC5V) supply may be stopped for safety
reasons. When this happens, disconnect an
external device if some external devices are
connected. After that, turn the power of the
computer ON/OFF to restore the function. If this
function can not be still used even if only one
external device is connected, stop using the
external device because its current is over the
acceptable value of this computer.
Some external devices may not be able to use the
Sleep and Charge function. In this case, please try
one or more of the following methods.
Select another mode.
Turn OFF the computer while external devices
are connected.
Connect external devices after turning OFF of
the computer.
If this function can not be still used, change the
setting to disable the function and stop using this
function.
L855/L855D
User's Manual 6-12