A300

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 the 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.

 

If this function can not be still used, change the

 

setting to [Disabled] in the BIOS Setup and stop

 

using the 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

have turned OFF the

(DC5V) will be supplied to the external device

power 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 the [Disabled] in the HW Setup. Instead

 

use a USB Port does not have the USB Sleep

 

and Charge function-compatible icon ( ).

 

 

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User’s Manual