Toshiba L310 user manual USB Sleep and Charge function

	Troubleshooting
USB Sleep and Charge function
Problem	Procedure
I cannot use the “USB	The setting of “USB Sleep and Charge function”
Sleep and Charge	may be [Disabled]. Change the setting to
function”.	[Enabled] in the HW Setup.
	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 “USB Sleep and Charge function”. In this
	case, please try one or more of the following
	methods.
	■ Change a mode setting of [Enabled] by the
	HW Setup.
	■ 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 [Disabled] in the BIOS Setup and stop
	using this function.
The battery depletes	When “USB Sleep and Charge function” is set to
quickly even when I	[Enabled] in the HW Setup, USB bus power
turned OFF the power	(DC5V) will be supplied to the external device
of the computer.	connected to the compatible port. If external
	device is connected to the compatible port when

the AC adaptor is not connected to the computer, the battery of the computer will be depleted even when the power of the computer is turned OFF.

Connect the AC adaptor to the computer or change the “USB Sleep and Charge function” setting to [Disabled] in the HW Setup.

Instead use and USB port that does not have the USB Sleep and Charge function-compatible icon

( ).

User’s Manual 9-17