Can't Login / Flashing Between Lock Screen And Blue Screen
Aug 12, 2015
I upgraded from Windows 8 to 10 without a hitch an hour ago and kept all of my personal files and apps. I set up my start menu and everything was working fine, but I wanted to change the image on the logon screen (or whatever you call the screen in between the lock screen and the screen where you enter your PIN/info). So I took a risk and downloaded the 3rd party app here:
[URL] and uploaded an image and hit apply. Of course right after doing that I went to lock my PC to see if it worked, and as you can tell... it didn't.
I've tried rebooting and it hasn't worked. It's just very rapidly flashing between a blue screen w/ a loading circle and my lock screen image.
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Aug 24, 2015
I upgraded to Win 10 on Friday, and since, despite several resetting PC attempts, Win 10 will not load to the login screen. Instead, it is stuck on a loop flashing between the lock screen and a gray loading screen quickly back to the lock screen -- instead of loading to the login screen. This only happens when I attempt to restart or update my PC. If I go to the lock screen because I locked my PC or it fell asleep, I can unlock it. I have also attempted to reset my PC to the previous build, to no avail. I have no restore points.
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Feb 6, 2016
My computer has always been fine, until one day i was getting pop ups and redirected randomly, i notice a strange file called "techsmart computer" and was trying to delete it but couldn't so i wanted to go into safe mode and forcibly remove it, i open the start up menu simply check safe mode only and restarted, ever since all i see is the black screen with it loading with nothing else no repair, error message just it loading then it goes to the login screen the blue one and for some strange reason it is flickering as it its turning on/off and its a never ending load! if i press the power button its shutting down and it stops flickering, i searched online for solutions and nothing relevant and of the possible solutions i cant do because i can never get into the login screen, this is not a instillation issue or driver or graphics card, etc... started ever since i checked the safe mode, i want to mention i'm writing this using a different computer, also don't know if its a 32 or 64 bit.
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Aug 1, 2015
I put window 10 on my dell XPS-420 I sign in it goes to my home page and the screen keep on flashing i can not do anything the arrow that the mouse move there's a blue circle that keeps on going and when it stop the screen stop flashing too it last 10sec then it start to flashing again with the blue circle keep turning like it up date something well it 2 days and the same thing the pc on for 2 days too ...
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Jan 12, 2016
I built a computer a few months ago using:
A Gigabyte Z97X Gaming G1 Motherboard
An Intel i7 4790K CPU
16 GB DDR4 Patriot Memory sticks
Samsung EVO 240GB SSD
Nvidia 256 GB Graphics card
Corsair CX750 Power supply
I immediately bought Windows 10 for it, and for the most part the computer worked fine the last few months. Every once in a while I would get a "Driver Stopped Working but has Recovered" that messed up the Windows control bar and required a restart to fix, but that stopped happening eventually with updates. I still got BSoD's from time to time, including "faulty hardware corrupted page."
Today I got a BSoD when I was logging in called "DPC Watchdog Violation," which I had seen before I think so I figured it would just restart and be fine. However, now I cannot restart the computer, because after the Gigabyte motherboard logo, all I get is a blue screen that flashes on and off quickly. It is just a blue screen, sometimes with a dot in the middle. No matter what I cannot get past this infinite flashing screen, even in safe mode. Commands from the keyboard do nothing once I reach this screen although I can the mouse around. I can enter the special Windows control menu before getting to the flashing blue screen, but nothing has worked from there
Things I've tried:
-Disabling restart after BSoD -- no effect
-Restoring system image -- error, then no effect
-Resetting Windows -- no effect (although I've lost all my applications now)
-Removing my graphics card and plugging my monitor directly into the motherboard -- no effect
-Updating BIOS -- no effect
Currently trying to figure out something I can do in the registry. My last option is completely redownloading Windows 10 without saving files, but I'm not confident that will work given everything else I've tried.
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Jan 13, 2016
I know there is others who have this issue of the flashing blue working circle next to the mouse pointer on the screen. I have read through he forums and tried what I could find but so far no luck getting rid of it.
I upgraded from Windows 7 to 10 - on my Asus sonicmaster laptop and now the flashing blue circle constantly shows up in and on and off state. Like it is trying to load or check something. How to get rid of this?
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Aug 19, 2015
I installed windows 10 on my machine last week which went fine with no errors. Since then, I have come into work everyday and found the computer idling at the login screen, flashing and not responding. Just a constant flashing until I turn it off. Because of this I've had to reset windows under the troubleshoot option on start up. Safe mode doesn't work, and back up restore doesn't either. I wanted to add that I don't receive an error code or message.
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Dec 19, 2015
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Aug 12, 2015
This might be a stupid question but I havent found a solution for it myself, probably looking in all the wrong places.. would like to be able to have my computer go to the lock screen after an alotted time of inactivity without turning off the screen itself as in the power settings. I usually have screen shutoff/sleep set for longer periods but would like the screen to lock sooner.
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Jan 18, 2016
I did a bit of research and this seems to have been an issue for a while, or has been in the past. Was upgrading to windows 10, I first had to restart my pc cause it was initially stuck on that preparing to install problem with the green bar being stuck around 25%.
It then got through that and began the installation process with the big circle and rebooting process. However around 91% when I last looked at it it was just black screen, this stayed this way for about 3-4 hours. I then decided to reboot the pc and it has now booted to the login screen. Is this a known bug or could there be a possible issue?
The problem seems a bit different as some people I saw have had to fall back on PC restore points etc. So not sure if it installed or what could be the problem.
Also side note, I upgraded my pc when windows 10 first publically released, but rolled back because I had about 5min shutdown times.
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Jan 5, 2016
I reinstalled windows the day before yesterday and since then every time I turn my laptop on after entering my password the screen turns off for like 2 seconds then turns back on. This have never happened to me before. I tried putting my old windows back via Macrium Reflect and I even tried reinstalling it again but neither of those things worked. I have an Acer Aspire V3-572g laptop.
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Oct 8, 2015
I cannot explain exactly the problem so i made a video.. here : [URL] .... I tried disabling the 2 services from msconfig..but no luck..
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Aug 12, 2015
I am running windows 8.1 and upgrade to windows 10. Install went fine but after final reboot I'm left with a flashing screen. when I turn off the laptop and reboot I get the login window I login to windows and the screen continues to flash, I cant access the start menu. how do I uninstall windows 10 and start again.?
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Aug 9, 2015
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Aug 8, 2015
I recently upgraded to Windows 10 and I am having some issues.
First one is: When I click jpg, gif, or any image files that uses the photo viewer as a default viewer, photo viewer pops up twice, one with the file I selected and one with the collection screen. It only does this on the first view of a image file after reboot. Once it does this, it doesn't do it until I reboot.
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Aug 10, 2015
A friend upgraded their computer (HP Compaq 6710q) to Windows 10 recently. It boots up ok, but after about a minute the screen starts flashing periodically. Nothing can be done or executed on the computer.
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Aug 18, 2015
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Aug 25, 2015
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Aug 10, 2015
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Aug 25, 2015
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Feb 6, 2016
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Sep 15, 2015
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Aug 1, 2015
The black screen occurs before login screen. It happens randomly. I have to move the mouse (haven't tried pressing keyboard) and it will show the login screen and windows will continue normally. On my device driver it shows only 1 display adapter that is NVIDIA GTX 970. My motherboard is H87-PLUS and its specs shows that it does have an Integrated Graphics Processor.
Tried installing Intel Graphics Driver but just shows 'This computer does not meet the minimum requirements for installing this software.' Tried disabling the lock screen too but its not working. Tried putting PCI-E as the default graphics in BIOS but its not working either. how could I prevent the black screen from showing up again?
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Sep 14, 2015
[URL]
Searching about the issue online, it seems that this can be caused by norton or iCloud software, or two Microsoft background services that you have to disable in MSconfig to stop the screen flashing. I don't have norton or iCloud, and I disabled the two services. Still happening. Can't find anything else online that mentions how to fix this. Also apparently for most people the flashing doesn't start until they've reached the desktop already, whereas for me it starts before I can even do anything. PC completely unusable.
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Oct 8, 2015
I was watching some vids on YouTube and then all the suddenly a msg pops up on my taskbar. I was going to see what it has to say but then the screen all the suddenly starts flashing. I clicked once and it went dark. I put it on hibernation then woke it and I was able to move my cursor but the OS didn't respond. It's ok now but I am afraid of viruses and things like that. The message icon was a triangle with an exclamation mark in it. I am currently running Windows 10 64-bit on a Lenovo T410
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