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Old 11-05-2017, 09:20 AM   #22
HarryT
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Posts: 85,557
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Join Date: Nov 2006
Location: UK
Device: Kindle Oasis 2, iPad Pro 10.5", iPhone 6
Quote:
Originally Posted by knc1 View Post
Displaying the screensaver does not indicate the sleep/awake state.

When connected to a charger, it remains awake.
Internally, the kernel sets a "wake lock" flag that prevents it from going to sleep.
Is there a difference in behaviour when connected to a wall charger as opposed to a PC's USB port? When connected to a PC, but not in "USB drive" mode (ie just using the USB port for power), when the Kindle goes to sleep, the USB device disconnects about 10 minutes later, at which point the Kindle displays the "Waking Up" message when the power button is pressed.
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