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If USB quick charging is set to be always enabled, the following problems may occur.
USB device cannot be detected as a USB device.
Charging is not possible.
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For some USB devices in USB quick charging, even though the computer is connected to the AC adaptor, it may temporarily switch to
battery operation. If this happens, disable USB quick charging.
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Depending on the USB device, its charging may not be possible.
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Charging time varies depending on the USB device.
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Connect the USB device directly to the USB port. If connection is via a USB hub, charging may not be possible.
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For devices which do not require charging, connect them to other ports.
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If the computer is not connected to the AC adaptor, its battery power will be consumed quickly.
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Do not insert any foreign object in the USB port.
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When the computer resumes from sleep or hibernation, it may not be able to detect the USB device. If this happens, removing and then
reconnecting the USB device may enable the computer to detect the device.
Charging with USB 3.1 (Type-C) port
This computer can send a maximum power of 15 W.
The USB 3.1 (Type-C) port enables charging even if the computer is turned off, regardless of the
Enabling or Disabling Power-Off Charging
setting.
I M P O R TA N T
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When using a USB Power Delivery, use a cable that supports USB Power Delivery.
Depending on the cable, power may not be supplied to the connected device properly.
USB Power Delivery <only for model that supports power delivery>
Connect the USB device to the USB 3.1 (Type-C) Port.
USB Power Delivery is a standard that allows up to 100 W of power supply using a USB cable.
Power supply from USB Power Delivery-compatible devices to this computer:
The power can be supplied from USB Power Delivery-compatible devices with the following power supply capabilities.
Power ON or Modern standby: 85 W or more
Power OFF or Hibernation: 7.5 W or more
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*1: If the output on the USB Power Delivery-compatible device side is less than 15 W, the battery cannot be fully charged.
Power supply from this computer to USB Power Delivery-compatible devices:
Up to 15W
Use a cable that supports USB Power Delivery.
It is recommended to use a cable that supports 5 A. When using a cable that does not support 5 A, the power supply cannot be supplied from
USB Power Delivery-compatible devices during power on or modern standby.
Driving/Charging the computer using USB Power Delivery
The USB 3.1 (Type-C) port of this computer supports the USB Power Delivery.
I M P O R TA N T
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Connect a cable that supports USB Power Delivery.
N O T E
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If the battery level is less than 5%, the PC cannot be started up.
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The following functions cannot be performed.