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Windows 8 SLEEP intermittent


Senior Member
Oct 6, 2011
With W8 Pro auto-SLEEP kicks in only occasionally. Manually SLEEP performs every time. W7 on the same machine works as it should.

BIOS settings look good and no wake timers are set there.

In POWER MANAGEMENT the hard disk shutdown has been set to NEVER.
Wake timers have been disabled.
Hybrid-sleep has been disabled.
SLEEP has been chosen for the action of the power button.

Network's Power Settings "allow to wake this device" has been toggled off.
At the command prompt, "powercfg -h" has been tried.

A clue: SLEEP will consistently kick in if the ethernet wire is disconnected or if the network adapter is disabled. Of course, neither is practical.
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