I had a (rare) problem with power to my computers recently.   The battery in my UPS had died (causing really annoying beeping warnings..) and the power also went out briefly, causing all systems to suffer a genuine power fail condition.

The Linux systems all came back (after some extra – brief – systemd-fsck operations) in – literally – a few minutes.

The Windows 7 Pro system I use for video editing just stuck at the ‘pulsating window’…     I left it for several hours, and then rebooted and went into the recovery console..     The Startup Repair tool found a problem it couldn’t rectify, so I used good old console mode and chkdsk to see if there was a filesystem problem..   A complete chkdsk /r /f on the system (windows-resident) disk took hours to run, and then finished – apparently – cleanly.    Ran the Startup Repair tool again, which then reported ‘no problems found’.   So, I rebooted – only to get the eternal pulsing window again..    This system has now been down for over 24 hours..

Not impressed…     Fortunately I use Linux for all my day-to-day work..

Update:   Eventually re-booted the Win7 system into recovery console again, and ran sfc /SCANNOW …...  command, which did not show any faults found, but when I rebooted, the system came up OK.     It must have ‘fixed’ something, so the lack of info was very frustrating, to put it mildly…    What a waste of time..