This seems to occur maybe 20% of the time when I boot my PC. Every time it has occurred (3x) it has been after a "hard" shut down, i.e. via the power button, though I'm not sure there's a connection since my sample size is so small.
Basically I hear this deep "whirring" noise and then when the start-up sequence reaches the spinning circle under the Windows logo the menu darkens momentarily (not completely black, maybe 25% less bright than how it normally looks) while the circle spins, then brightens and "resets" the spinning circle sequence back as if it was coming up for the first time - this continues until I shut down again and boot back up. Sometimes that fixes it on the first go round, other times I've had to hard shut down 3 or 4 times before it finally starts properly. The whirring and screen darkening are always present when this happens and don't occur at any other time.
OS: Windows 10
8 gigs of RAM
Geforce GTX 970
Intel(R) Core(TM) i5-4690K CPU @ 3.50GHz (4 CPUs), ~3.5GHz
Lastly, don't know if this is relevant, but I'm currently using my PC through a widescreen TV.
Basically I hear this deep "whirring" noise and then when the start-up sequence reaches the spinning circle under the Windows logo the menu darkens momentarily (not completely black, maybe 25% less bright than how it normally looks) while the circle spins, then brightens and "resets" the spinning circle sequence back as if it was coming up for the first time - this continues until I shut down again and boot back up. Sometimes that fixes it on the first go round, other times I've had to hard shut down 3 or 4 times before it finally starts properly. The whirring and screen darkening are always present when this happens and don't occur at any other time.
OS: Windows 10
8 gigs of RAM
Geforce GTX 970
Intel(R) Core(TM) i5-4690K CPU @ 3.50GHz (4 CPUs), ~3.5GHz
Lastly, don't know if this is relevant, but I'm currently using my PC through a widescreen TV.