Good day! I'm Raniel, a Microsoft expert. I'm glad to assist you on your concern.
Kindly try the following steps below to disable the Modern Standby:
- On the search bar, type "Regidtry Editor" and click on it.
- Navigate to Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power
- Double Click on "CsEnabled" and change the Value data to 0
- On the search bar, type "Command Prompt"
- Type "powercfg /a", then hit Enter and provide the result.
Hoping for your feedback. Thank you.