Screen going to sleep

[lI_Simo_Hayha_Il]

I have a similar issue. Haven’t managed to solve it yet, but mine happens even if I am using keyb/mouse.

Disk access freezes every 20 minutes

I have a strange issue with file access, both local and shared that happens on an interval, every HH:00, HH:20 and HH:40. During these hours and for 1-5 seconds, access to any disk halts. For example, I am trying to save a file from Firefox, and the folder dialog freezes, or while watching a video from any disk, the video pauses and resumes after few secs. Also, and this is strange, the problem disappeared for few days, and re-appeared probably after an update (not the latest). It happens to H…