Hoping someone might be able to suggest something. asked on TEnforums, 200 views, no comments 
i'm running W10 from a W7 upgrade, and it's been pretty good so far. few nights ago though i had an issue that occurred once before a month or so back.
basically, i went to shut down, and instead of the usual blue screen and "waiting for apps to close" type thing, the machine seemed to go into sleep; i could hear the fans running. i fired up, and on boot i had the issue i had the other month - i get the BIOS splash, the swirly dots, and then instead of the time/seaside cave i got a black screen w/ just a mouse pointer. i ended up having to hard reboot from the power button.
haven't been able to sort much since then, been closing down properly, or so it seemed, last night i shut off and everything went quiet, yet today i fire up, get the BIOS logo etc, swirly dots, black screen and mouse pointer, and that's it. one site said try Win+P and down arrow twice to input a password, it did nothing, i got a slab of blue on one side of the screen [like a screen was mispositioned] and that's it.
i quit by using the power button, came back ok [i noticed this time i got the Win tune playing, hadn't noticed its absence before] and in my events from the previous day i've got a shed-load of 10010 events, and then a 42 saying ""The system is entering sleep. Sleep Reason: Application API" ~ i didn't ask it to sleep, what's going on? although it seemed to shut off properly that time, that event and one today saying "The system uptime is 947990 seconds." suggests otherwise.
and what is gonig on w/ that last one, it suggests the machine has been up for over two years?!
any thoughts, please?
just as a quick edit, ran sfc just now, said it found no violations.

i'm running W10 from a W7 upgrade, and it's been pretty good so far. few nights ago though i had an issue that occurred once before a month or so back.
basically, i went to shut down, and instead of the usual blue screen and "waiting for apps to close" type thing, the machine seemed to go into sleep; i could hear the fans running. i fired up, and on boot i had the issue i had the other month - i get the BIOS splash, the swirly dots, and then instead of the time/seaside cave i got a black screen w/ just a mouse pointer. i ended up having to hard reboot from the power button.
haven't been able to sort much since then, been closing down properly, or so it seemed, last night i shut off and everything went quiet, yet today i fire up, get the BIOS logo etc, swirly dots, black screen and mouse pointer, and that's it. one site said try Win+P and down arrow twice to input a password, it did nothing, i got a slab of blue on one side of the screen [like a screen was mispositioned] and that's it.
i quit by using the power button, came back ok [i noticed this time i got the Win tune playing, hadn't noticed its absence before] and in my events from the previous day i've got a shed-load of 10010 events, and then a 42 saying ""The system is entering sleep. Sleep Reason: Application API" ~ i didn't ask it to sleep, what's going on? although it seemed to shut off properly that time, that event and one today saying "The system uptime is 947990 seconds." suggests otherwise.
and what is gonig on w/ that last one, it suggests the machine has been up for over two years?!
any thoughts, please?
just as a quick edit, ran sfc just now, said it found no violations.
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