How to fix extarnal monitor going to sleep
Sources:
English Community-Lenovo Community (External Monitor Looses Signal Intermittently)
Power controls | Microsoft Learn
1. Regedit
2. Go to Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\238C9FA8-0AAD-41ED-83F4-97BE242C8F20\7bc4a2f9-d8fc-4469-b07b-33eb785aaca0\DefaultPowerSchemeValues\381b4222-f694-41f0-9685-ff5bb260df2e
3. Set the values as follows to change to 20 minutes (1200 seconds):
Ver tb este: (???)
Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\7516b95f-f776-4464-8c53-06167f40cc99\3c0bc021-c8a8-4e07-a973-6b14cbcb2b7e
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