This Function is by design. WOL works correctly when the WOL requirements are enabled and the computer is shutdown properly.
WOL has two requirements that must be in place in order for it to work properly.
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Enable the three Network Adapter power management options.
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The computer must be shut down properly.
Follow the steps to enable the Network Adapter power management functions and ensure the computer is shut down properly.
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Open
Device Manager.
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Select
Network Adapters.
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Right-click the
Network Adapter, and then select
Properties.
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In Network Properties, select the
Power Management tab.
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Check
Allow this computer to turn off this device to save power.
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Check
Allow this device to wake the computer.
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Check
Only allow a magic packet to wake the computer.
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Select
OK to close Network Properties.
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Close
Device Manager.
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Shutdown the computer properly.