My acer Nitro AN515-58 not waking up from sleep mode.

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Anush Sharma1

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I have a 8 months old acer Nitro AN515-58. suddenly it started not waking up from sleep mode. whenever i close the lid and open it, the display won't turn on and if the keyboard's light was open before sleep mode then it the light will again turn on after opening the lid but the display won't turn on. and i have an unknown usb device problem in the device manager since this sleep mode issue started. and in the device manager, in power management tab of universal serial bus controllers "allow this device to wake the computer" this option is greyed out for all the usb devices which have power ma

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