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