Toshiba protege pt311u0dj02v Manuel D’Utilisation

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Utilities
USB Sleep and Charge Utility
Power supply mode settings
Your computer may provide two different charging modes, to 
support various types of USB devices. If your computer provides 
more than one charging mode, the charging mode you should select 
depends on the USB device you want to charge. For example, 
Typical Mode, which is the default mode, will charge a wide 
variety of digital audio players. If your device does not charge in 
Typical Mode, try using Alternate Mode. To select a different 
charging mode, use the Power supply mode drop-down list in the 
utility.
With certain external devices, the USB Sleep and Charge function 
may not work no matter which charging mode you select. In those 
cases, disable USB Sleep and Charge in the utility and turn the 
computer on to charge the device, or use a different charging device.
NOTE