Windows 11 Windows 11 Laptop cycles between waking the external monitor before going back to sleep when using MiniDP

  • Thread starter Thread starter MukmtyArack
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MukmtyArack

When I use minidp to connect external Monitor (LG-GP2783B), and manually make the laptop sleep, after 5 or 10 minutes, the external Monitor will power on and show a lit-up black screen before flashing an on screen display message that there is no signal and shutting down again. The laptop display itself remains off. This cycle repeats regularly every 5 or 10 minutes and I can not find what caused it. I use powercfg and there is no information about wake up. HDMI and integrate monitor does not have the probelm, but I need dp port, It makes me crazy every night

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