Surface Pro 4 - Screen won't wake from sleep

My suggestion for anyone having problems is to return the device and get another, somewhere between Amazon, BestBuy and MSFT they will figure it out. Once the loss of revenue become apparent they will try and fix things.

ran the program and it updated the watchdog timer. It found no hardware errors but unfortunately i still got the sleep of death.

The first test indicated there is an update for Intel Watchdog Timer Driver - what ever that is.

That makes some sense - a Watchdog timer is a very special kind of hardware timer used to catch and correct situations where the running program/OS goes off into the weeds and becomes unresponsive.  Basically, the code has to periodically reset the watchdog timer every so often - if that doesn't happen and the timer counts up enough to trip it, then it's supposed to initiate some corrective action (usually a reset or reinitialization of some kind).

So if a watchdog timer isn't working, and something does go wrong, a "wedged" or unresponsive system is kinda what you'd expect.  Sadly, though, based on reports above, this driver alone isn't sufficient to fix the sleep problem.

Wonder when they're planning on pushing this stuff through Windows Update?  (And is there a reason they haven't yet?)

BTW, resubmitted my review of the SP4 on store.microsoft.com w/o link to this thread - maybe it'll go through this time.  Also went in and upvoted relevant and correct critical reviews (and some positive ones, too). 

I was surprised at the number of complaints about sleep not working and hot bag issues (not just in one-star reviews, either).  I think these issues are far more widespread than we may think, it's just that most people never manage to find their way to this forum, or give up in disgust when they see MS isn't doing anything to fix it.  Looking at the reviews there, here, and on reddit, Microsoft *MUST* know the SP4 (and really, the SB, too) is a miserable stuttering cluster-foxtrot of a failure.  The questions is, are they even going to do anything about it, or just pretend it never happened and put all their effort into the SP5 that's supposed to be coming out in a few more months?  (And will that one still be compatible with my docks, type covers, etc.?)  On the other hand, some people really don't seem to have any problems - the lucky (watch)dogs!

At the very least, all of us who have suffered through this BS for months should have the option to swap our SP4s out for a reliable device when available...

(Oddly, this is the ONLY thing that changed before my SP4 started waking from sleep - maybe it was "Scared Straight" by the sticker?  Not that I expect waking to become a regular thing, but it did wake this afternoon after sleeping for a couple of hours, and only lost a few % on the battery.)

Apparently, because I shut it down the night before due to video driver flakiness (that's still a problem, for sure), I missed that my SP4 got some Windows Updates on the 12th.

Since then, I have not had any failures to wake, so something has improved quite a bit, at least for me.  (I've only tried it three times - I just haven't trusted it when not docked.  Maybe I can try using it as intended, now?)

Unfortunately, battery life is still fairly bad (probably 3-4 hours, tops, projecting it out), so all is not well yet, but it now wakes (way more often than before), and I suppose that's very welcome progress.  (Never thought I'd be excited about that - sleep and instant wake is supposed to be a given on smart devices in 21st century...) 

Here's what I'm running now, it seems to be a big improvement, based on a rather small sample size of 3(!) sleep sessions.  ;-)