Smart power enablement
Deep sleep is enabled in the BIOS by default. If the system is connected to a USB keyboard and Deep sleep is enabled in the BIOS, the system will not power on or wake from hibernation when a key is pressed on the USB keyboard.
Enable USB Wake support:
- Press <F12> when the Dell logo appears to initiate a one-time boot menu. Go to BIOS Setup.
- Select Power Management.
- Navigate to
USB Wake Support
- Turn on
Enable USB Wake Support
- Navigate to
Deep Sleep control
- Disable
Deep Sleep