Why Is hiberfil.sys Using 30 GB of Disk Space?
My drive keeps running out of space even though I barely have anything installed. I checked the disk with WinDirStat and found that hiberfil.sys is using around 30…
powercfg
Why is a .sys file using 30 GB of drive space?
My drive keeps filling up even though I don't have much installed. I checked the disk with WinDirStat and found that a .sys file is using around 30…
Is 79% battery health after seven months normal for an Acer Aspire Lite 15?
I bought an Acer Aspire Lite 15 (AL15-72P) in February 2026, and its battery report now shows a maximum full-charge capacity of only 79% of the original design…
Black screen after Windows updates: how can we identify or prevent the cause?
I work for an MSP and we've been seeing an intermittent issue on client workstations after Windows updates. The sign-in screen appears normal, but after the user logs…
Windows Updates Sometimes Cause a Black Screen After Login—How Can We Prevent It?
We manage Windows systems for several clients and have seen an intermittent issue affecting user workstations after updates. The logon screen works normally, but after the user signs…
Windows 11 PC Wakes From Sleep Overnight Even Though No One Presses the Power Button
My Windows 11 PC reliably wakes itself during the night after being left in sleep mode. I have already checked the usual causes, including network wake settings, magic…
Windows 11 PC Wakes from Sleep Overnight Without Input
My Windows 11 PC regularly wakes itself during the night after being put into sleep mode. It is untouched for several hours, but I find it powered on…
PC Wakes Itself From Sleep After About an Hour With an Unknown Wake Source
My PC wakes itself roughly 50–60 minutes after I put it into sleep mode. The fans and case lights turn on, but the monitor stays off. Event Viewer…