Setup Installation :: Windows 8 Flashing Screen Before Logon Screen
Nov 20, 2012
My PC was working fine before today, until I used Ultra UXtheme patcher for Windows 8 x64 and then applied a custom VS for Windows 8.
After a restart, Windows Explorer was not launching, so I opened task manager and did a sfc /scannow. After a reboot, I get to the Windows 8 boot menu (I have a dual-boot on this HDD with win7), and then the screen just turns on and off every few seconds, with the numlock light flickering with the screen.
I tried using the automatic repair, both from the boot menu and from a backup USB, but it does not detect anything. and I still have the same issue.
I restored the backups of uxtheme.dll, uxinit.dll, and themeui.dll, but that didn't work either.
Attached is my ntbtlog.txt.
There is no BSOD, the HDD keeps on spinning a few minutes after boot, and the numlock keeps on flashing. Anything else I can do from my win7 install? I'm currently trying to delete the theme.
Deleting the theme doesn't work, safemode doesn't work either. It seems to be a driver issue, but there were no driver updates when it was working?
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Apr 4, 2014
I have a Windows 8 HP laptop and the screen is just flashing. I have looked through other users posts and tried a few things but nothing is fixing the issue. I can't get past the flashing screen to enter Control panel, Safe boot or anything as the flashing is preventing me getting anywhere!! Lots of photos not backed up so don't want to lose them!
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Jun 7, 2014
I turned on my laptop and after I logged on all my letters were replaced with symbols. I then restarted my laptop and now even my log in screen is symbols and when I get to the desktop my screen just keeps flashing and I can't click on anything. It just keeps flashing and loading nothing. I can't do anything on it. I didn't install anything the last time it was on either and I'm the only person who uses the laptop.
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Apr 20, 2014
i was customizing my desktop with Rainmeter and i wanted to know how to change my toolbar's color because i didnt want the blue, someone said to download Vistaglazz and repatch some files. after doing so my computer restarted and after the initial normal startup and it saying "Please wait..." like it usually does before it shows the login users, the screen went black, then for a split second the screen went pitch black, almost as if the computer turned off, then it would turn on again and go back to the normal "Please wait..." screen. this would be ok but its happening so fast and over and over again that i cant even hit f8 or Ctrl Alt Delete. im using a different computer because i literally cant log onto the other one.
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Nov 25, 2012
Windows 8 is showing a black screen before logon and not the logon picture..........................................and it also takes a lot of time to load.
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Oct 4, 2013
I recently started having the black screen with the flashing cursor come up sometimes when I start my PC. I have narrowed it down as being my 3rd HDD (2TB WD) as the culprit, which I only use as media storage. It is not set as a boot device since windows is on my SSD and when I unplug the drive from my mobo, windows always starts up without any issue.
Basically my question is, is this just a case of a hard drive going bad? I ran chkdsk on all 3 drives and none of them had any issues and it is not fragmented or anything that I can tell, so I don't know. I have had this setup for a while now and about a month ago it started doing this. The screen doesn't always come up however, so I have no clue what the issue is.
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Sep 15, 2014
I had to reinstall the whole machine from scratch because old HDD has been playing up. This is what I did:
1. Imaged old (faulty) drive to new one - just because I needed some data out of it and the old one was very slow and freezing.
2. run the system with new imaged drive - all working except sometimes it was playing up, so I decided to upgrade to another drive with Windows 8.1 from Win7
3. have plugged in new HDD to SATA0 port and the imaged drive to port SATA2
4. installed Windows 8.1, copied data over, reinstalled applications and so on.
5. all working perfectly. Now every time I boot up the machine, I'm offered options if I want to boot to Windows 8.1 or Win7. No problem there.
6. Now I wanted to remove the imaged HDD from SATA2 port, so I did - and here comes the problem:
All I get now is the black screen with flashing cursor in top left corner. How is this possible ? When I plug the second drive in all works as before. I just have to remove the second drive. How can I do this? In the attached image you can see my drives from Windows 8.1 the Disk0 is the one I need to keep - that's a Windows 8.1 ( C: ) Disk1 (imaged HDD) is the one with Win7 on it and needs to be removed.
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Jul 31, 2014
Recently, I noticed that every time after I log into Windows 8.1 with my password, the screen flickers for like a second. What might have changed to cause this. I haven't installed anything new before the problem occurred.
I do remember that I was fiddling with some display options (changing items sizes) but I did restore them back to the default options. Just updated my nvidia drivers but that didn't solve the issue either.
Win. 8.1 Pro x64bit
i5 3570K stock speed
nVidia GTX 660Ti with 340.52 WHQL driver
8 GB RAM
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Nov 21, 2012
I was messing around with my screen resolution settings when I switch over to portrait mode on desktop PC. When I hit apply the screen started flashing and it went to protrait. I saw thye option to revery back but with they screen flashing I couldn't hit it. Then the settings set in and the screen went back to the sigin in menu in portrait.
I can enter my password, sign in, and then it tries to load the start menu but the screen starts flashing and after about 8 seconds, it goes back to the sign in menu. Now I am stuck in this process and cant get back past the sign in screen to access the control panel and set the screen back to landscape.
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Sep 15, 2014
This has happened on a few different systems. After it has the login screen, It will go to the desktop (completely black no icons) and a cursor.
Windows sign does not work nothing other then CTRL + ALT + DEL works but wont bring up task manager.
So I end up doing the "Advanced start up" where I Restore the system and do a fresh load, but when I try to run the updates i get the error of
" Log file c:windowssystem32logfilessrtsrttraill.txt "
So I go to CMD (administrator) and run SFC/ Scannow
"Windows Resource Protection could not start the repair service"
then, chkdsk x: /f
Cannot lock current drive, windows cannot run disk checking on this volume because it is write protected. I ended up erasing the HDD and starting from scratch and STILL get the same issue.
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Jul 30, 2014
I recently upgraded from Windows 8 to Windows 8.1. It was fine until I decided to change my account to a microsoft account.
After logging out and restarting, I could not see my user on the log on screen. It still showed up in Control Panel and PC Settings after logging in as another Admin.
To try to fix this I created a new user and was going to copy files into it but this new user didn't show up either.
Is this a Win 8.1 bug or is there something you have to do?
I can always revert to Windows 8 because I backed up my computer before updating but I would not prefer this.
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Jul 13, 2014
I do a lot of remote administration after hours and I often login as an admin user into client workstations to fix various issues. One thing that I do to eliminate confusion is to edit the registry of a Win7 machine and change the HKLMSoftwareMicrosoftWindowsCurrentVersionAuthenticationLogonUILastLoggedOnUser registry value back to the user's username.
That way inattentive users don't keep trying their password with the Admin username when they attempt to login the next day. I see that Windows 8 has the same key, but changing that value doesn't appear to "stick". It appears to be overwritten when you logout/reboot/shutdown. I've also tried deleting the SAM entries in the same key, but that seems to have no effect. I've seen several posts on how to show all users or none on the logon screen, but I'm trying to minimize the changes that end users will experience (complain about). I'm also hoping for a solution that will work with both domain and non-domain joined computers.
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Jan 26, 2014
i had activated guest acc. from control panel ,it was going well since last 2-3 days ,the guest account wont show on logon screen.
it only shows my account which is admin.
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Jul 3, 2013
I have recently installed a new Video Card a Gigabyte GeForce 660 GTX, when I'm playing video's or if I open the Geforce Experience program from the task bar the screen goes blank for about a second then returns to normal, it always seems to happen when I get the program to check for updates. I am using the latest driver 320.49.
When I play games there's no problem occur so I don't think it's the card it's self, I suspect it's something to do with the program.
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Nov 25, 2013
I have had to reinstall my laptop and now i'm having some trouble finding the tweak to remove the "insert a smartcard" option from my logon box when i try to connect to an external computer with the remote desktop client.
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Feb 25, 2014
I cannot get the touch keyboard or picture password to come up consistently at logon screen. I had to go to services to make the touch-service work with desktop and logon (it was unchecked). Now, at fresh start-up or restart I can get the keyboard by touch but will not get it again if I log off and log back on. And under no conditions do I get the picture password option although I have a picture set up for it.
Fujitsu Lifebook T732
i5, 8Gb, 500Gb
12.5 touch/pen input
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Aug 31, 2013
Im trying to install Windows 8 (Not 8.1) but it gets stuck at the booting screen (Where setup shuold load files)
My system specs are on my profile.
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Jul 13, 2014
While I am not new to Windows 8, I am new to Windows 8.1 Pro. First I installed 8.1 Pro from a dvd, restarted it, no problems... then installed the updates, then when I restart, it hangs on restart screen.... So I have to reboot.
I got fed up doing that so I formatted the hard drive, installed windows 8 Pro, tested restarting....no problems... then updated, no restart hangup... then upgraded to 8.1 pro...still no restart hanging...
Installed all updates, still no hangup...installed Soundblaster drivers...still no restart issues...then installed Creative Console launcher....now it is back to hanging on restart screen....
If I uninstall Creative console software, it still sticks on restart screen....it's like windows got messed up by installing software but even tho I uninstalled, still have the restart screen hangup...
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Mar 3, 2014
Just got a new laptop which came with windows 8, It's an Asus Zenbook UX302LG. I tried Windows 8 a bit during the developer preview, but I'm really not that familiar with things, anywho. So this has a touch screen, and I've been using it a fair bit, but I'm curious about 8.1. Being the "newer" version", from what I've seen it has some improvements over regular 8 in some areas, like the apps screen looks a little tidier.
What I'm wondering though is does it also remove some of the touch features I would be using with a touch screen? Or just make them more mouse friendly. Long story short, given I have a touch screen which I am using, should I upgrade to Windows 8.1? Or will I have a better experience with regular 8?
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Jan 1, 2013
The laptop I have is an ASUS g74, I purchased the copy of windows 8 from microsoft's site, upgrading from windows 7 pro. I opted to keep all my personal files/apps because the programs it warned me as being incompatible were random games and such.
I googled this problem, and it seemed fairly common months ago when windows 8 first came out on dell/HP laptops. It worked flawlessly when I first upgraded and booted up fine but once I restarted I couldn't see anything other than the screen occasionally flickering brighter and darker.
However, if I plug my laptop up to a TV with an HDMI cable I can see everything on the TV. It's just the laptop screen that is blank.
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Feb 29, 2012
I installed windows 8 to my machine. it has intel hd graphics. I can install it fine but once i try boot Windows 8 the screen goes black (screen is actually off). I can get it to work by plugging in a HDMI cable into thee hdmi slot and use a monitor. it works perfect like that but my laptop screen stays black. It must be the graphics driver. I tried updating the graphics driver and that didnt work. I then tried installing the driver from the dell site for Windows 7 and that didnt work.
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Feb 16, 2013
After BIOS page passes, it loads for 10 seconds and crashes. Error screen disappears too quickly so can't take note. This is a new laptop.
Have tried 64 bit Windows 8 ISO and from Flashdisk.
LENOVO IdeaPad V480 161
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Dec 20, 2012
Cant install windows 8, it gets halfway through then I get the blue screen and message irql not less or equal, was wondering how to solve this? I am trying to install the 64-bit version and have an acer aspire with a 1.3ghz processor, 4gb of ram and 181gb free on my hard drive.
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Feb 25, 2014
I am trying to install windows 8.1 on my old windows xp laptop using a bootable USB from the universal USB installer, and when i press f10 on my laptop, and tell it to boot from my USB, it pulls up a black screen with a blinking line(like a terminal). i tried pressing a bunch of keys, and the only one that i got a response from was the enter key, which made a beeping noise.should i use a different program to put the ISO on my USB?
I'm going to try a program that i used a long time ago when the UUI wasn't working called Rufus. I'll let you all know if it works. Also I'll set it to NTFS instead of fat32 and see if that works.
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Oct 31, 2012
I am having trouble installing windows 8 on my PC. So I slow burnt the ISO as I always do, and verified the contents. Now I always do a clean install never an upgrade. When I boot from DVD I get to the windows 8 logo and my DVD drive and hard drive seem to be loading files (although this edition has no load progress bar like the previous windows which is annoying) after several seconds i get the animation of the dots twisting but there's no activity?
The disc stops reading the hdd does nothing and the splash screen continuously mocks me it just doesn't get past that screen. After several attempts I thought I could try an upgrade from desktop instead. After a successful upgrade my pc reboots and gets stuck on that same splash screen it just doesn't want to get past that screen. I have looked all over the forums and googled various keywords to find others with this problem and have had no luck. It is noteworthy to mention that windows 7 runs perfectly with no problem on my PC and I am attempting to install the 32bit version I have tried widows 8 an windows 8 pro with no luck
My specs are as follows
HP Compact Presario SR1719UK
-AMD Athlon 64 3400+ 2.20ghz
-1GB DDR RAM
-ATI RADEON XPRESS 200 Series (Approx total memory is 287MB)
-PHEONIX - AWARD BIOS v6.00
-DirectX 11 with WDDM 1.0 driver
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Dec 2, 2013
Upgraded to Windows 8.1 Pro from 8 through the Windows Store. Everything seemed to go smoothly. Updated graphics card drivers prior to install of 8.1. Now whenever I start up, I can log in, but then it goes to a black screen with a cursor. Ctrl-Alt-Del will bring up the task manager and from there I can access programs and get on the internet. So after maybe 5 minutes or so after opening a program (usually firefox) the Metro screen randomly loads. None of the store apps worked, though I was able to find a fix for that. Some of them still don't work right though. Is there a better way to upgrade from 8 other than through the store?
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Nov 28, 2013
After i updated to Windows 8.1, I logged in and everything was gone, Just a black Screen and the mouse was visible and able to move but nothing else. I've tried Safe Mode, didn't work and i also went to Task manager to see if it would do anything and it didn't.
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Jan 16, 2014
I just reset my laptop and am upgrading to 8.1. This is the third time I have tried upgrading and every time it results in a blank black screen. I believe it has to do with video drivers. By a blank black screen I mean totally blank. There is no backlight and there is no cursor. I had this problem when it upgraded the intel graphics driver to the .3345 version so I went into safe mode and rolled it back. After the reset I uninstalled all intel graphics driver and used the microsoft driver. When I update to 8.1 I get the black screen even with this video driver. I will keep trying using the stable intel driver to see what happens.
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Jan 11, 2013
I have a Laptop with a 120GB Solid State Drive. My primary operating system has been Windows 7 Ultimate. Recently I decided to try and Install Windows 8 Pro Along side windows 7 . Dual Boot. I read about Dual Booting in this Official Windows 8 Magazine and it seemed easy. I ran into a few problems:
1. I was able to 'shrink Volume' to create another partition of atleast the 20GB minimum required for windows 8. I did 25GB's because my 120gb solid state drive was almost full with other windows 7 files and partitions. The problem I ran into was in creating a 'New Simple Volume' and formatting my new 25GB's of space. An Error message saying "not enough memory or space available to perform operation" kept popping up.
Am I getting these error messages because I already have 4 different partitions on my drive? The different partitions were A: Windows 7 OS and Files, B: Windows 7 Hibernation, C: Windows 7 Recovery and D: an unknown 8gb primary partition
2. I decided to delete the Windows 7 Recovery partition, because I have my Windows 7 DVD, and I didn't mind re-installing everything if I were to mess up. Plus my OS doesn't run from that partition, and I'll have room to create my new Windows 8 simple volume. (probably a dumb decision)
3. Disk management didn't want to delete my Recovery partition (probably for good reason) and merge it's free space with my 25GB' partition that I had previously created and was unable to create the New simple volume in. I had to use a 3rd party program called Paragon Partition Manager free edition to do this. I had to restart my laptop for Paragon to delete the 2GB recovery partiton and merge the space with my un-formatted 25GB partition. After the Paragon program finished, my laptop wouldn't boot windows 7 and just hung up with an Intel boot agent screen.
4. Luckily, I had already made my Windows 8 bootable flash drive to Install the OS. Since Windows 7 wasn't booting, I decided to go ahead and try to install windows 8 with my flash drive. It worked! I found my 27GB partition in the setup menu, was able to format it, and install Windows 8. Now windows 8 starts up! My other partition with windows 7 also shows up in Disk management and In my computer!.
5. My biggest question is, How can I make that Windows 8 Dual boot screen pop up when I turn on my laptop? I can boot into windows 7 if I go to Disk Management in Windows 8, Right click my windows 7 partition, and click "Make Active partition". I then hit restart, and my laptop boots to Windows 7 no problem. I Can boot into windows 8 by doing the same Thing in Disk Management in Windows 7. "Make Active Partition" and restart Pc. So in a sense, I have what I want; Windows 7 and Windows 8. But, I shouldn't have to go into Disk Management each time I want to change the system Im using. how to get the Windows 8 Dual Boot option at startup?
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Jan 20, 2014
Dual booting windows 7 with 8.1. I had that neat looking boot screen that came up giving me a choice and setting default.
Now it boots to a crummy looking F8 type screen every time and I have to make a choice.
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Feb 15, 2013
The problem I have now is when turning on my laptop it stays at the Dell logo for about 5 minutes before continuing to attempt to load windows, this is in UEFI mode. In legacy mode, it loads past the Dell logo in seconds, but this does not load windows.
I am trying to reinstall windows with the Dell windows 8 Home premium disk. When the disk finally loads, it just stays on a black screen, and I've left it for about an hour and it will not load.
I have tried using Hirens boot CD (USB) to load Mini windows xp, but that does exactly the same. I can load Linux from the usb but not windows. However, I have never used Linux so I cannot do anything in Linux to attempt to fix it, as I do not know what I'm doing inside Linux.
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