Troubleshooting

USB

Refer also to your USB device’s documentation.

Problem

Procedure

USB device does not

Check for a firm cable connection between the

work

USB ports on the computer and the USB device.

 

Make sure the USB device drivers are properly

 

installed. Refer to your Windows documentation

 

for information on checking the drivers.

 

 

 

If you are using an operating system that does

 

not support USB, you can still use a USB mouse

 

and/or USB keyboard. If these devices do not

 

work, make sure the USB KB/Mouse Legacy

 

Emulation item in HW Setup is set to [Enabled].

 

If problems persist, contact your dealer.

 

 

USB Sleep and Charge function

ProblemProcedure

I cannot use the USB Sleep and Charge function

The setting of USB Sleep and Charge function may be [Disabled]. Change the setting to [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.

User’s Manual

9-15

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Toshiba PRO A300D user manual Usb, USB Sleep and Charge function

A300, PRO A300, PRO A300D, A300D specifications

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