Navigate the the location below in your registry and make the corresponding change.

Key:[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\VxD\VCOMM]
Value Name: EnablePowerManagement
Data:(0=disable, 1=enable)

Depending on your version perform the following:

'0000 01 00 00 00' is changed to '0000 00 00 00 00'
'0x00000001 (1)' is changed to '0x00000000 (0)'

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