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My Windows 11 desktop PC keeps waking up from sleep. Looking at the Event Viewer this is the event that happens over and over:

The system has returned from a low power state.

Sleep Time: ‎2022‎-‎08‎-‎14T00:49:10.202886500Z
Wake Time: ‎2022‎-‎08‎-‎14T00:51:52.856075400Z

Wake Source: Device -PCI-to-PCI Bridge

I don't know what this is, or how I disable it so the machine will keep sleeping and not be awake all night. Machine specs:

  • Windows 11 Pro
  • MSI Tomahawk x570
  • Ryzen 5950x
  • RTX3080
  • 32GB DDR4 3600

Any help is appreciated.

David S.
  • 101
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  • See https://superuser.com/questions/981978/computer-waking-up-due-to-some-pci-device – DrMoishe Pippik Aug 14 '22 at 02:20
  • You can open device manager and search for this bridge (select it). Then switch to View Device by Connection to see what devices are connected to this bridge. – Robert Aug 14 '22 at 11:30

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