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NOOK User Guide Power and Charging 21
other things. It is not, however, the fastest way to charge your NOOK. You can charge your NOOK
through USB when it is on or sleeping. If your NOOK is o, it will not charge, so it turns on when
you plug it in.
If your personal computer sleeps or hibernates, it will probably stop charging your NOOK.
To charge your NOOK, adjust the settings on your computer so that it does not sleep or
hibernate.
We recommend that you turn your NOOK on before plugging it into USB. If you plug your NOOK
into USB when it is o, your personal computer might have trouble recognizing your NOOK while it
is starting. Your computer should recognize your NOOK after your NOOK has completed its startup.
The first time you connect your NOOK to a personal computer, your NOOK should be
on. The computer will install USB drivers for your NOOK, and display a message that this
operation is in progress. It will also display a message when it completes installing drivers.
You can ignore these messages. They do not aect charging.
USB
Cable
Computer / USB
To charge your NOOK using USB:
1 Power on your personal computer.
2 Plug the smaller end of the USB cable into the USB/charging port on your device.
3 Plug the larger end of the USB cable into a USB port on your computer. The USB cable
connections are shown in the drawing above.
What happens now depends on power state your NOOK is in:
O: Your NOOK turns on and charges. Do not turn it o again. After it starts, it displays a pop-
up message that indicates USB is available.
While your NOOK is starting, your computer might try to recognize your NOOK as
a USB device and fail. When this happens, your computer displays a message about an
unrecognized USB device. You can ignore and dismiss the message.