Debugging :: Can't Boot Windows - Screen Started Flickering And No Icons
Mar 2, 2014
I went to power up my PC today and after welcome screen the screen started flickering and no icons or anything was on the screen except start tray which only had start button, touch keyboard button and address bar, none of which were responding.
I managed to launch task manager through ctrl-alt-delete (that didn't flicker, but taskmgr did). I launched cmd through taskmgr and managed to stop the flickering by terminating endless stream of svchost.exe processes. Couple of seconds after I do this, BSoD appears giving 0xc000021a error. Msconfig can't configure the PC to boot in safe mode. What do I do?
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Oct 13, 2013
Today I uninstalled MS Office 2010. After doing this it informed me I had to restart Windows 8 for all changes to take affect which I did. Ever since I have not been able to get into Windows 8.
Essentially I turn on the PC, I see the HP logo, and then Windows 8 goes in an endless black flickering screen loop. I have closed the laptop and pulled the battery to see if that was the issue, but it was not. Considering it was running normally before hardware wise I believe something went wrong with Win 8.
I lack a Win 8 disc and lack a USB DVD drive regardless (laptop does not have an internal drive) and reinstalling Windows is out of the question as I have data I need on it.
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Apr 26, 2014
I just updated my Windows 8.1 when I restarted my PC. When I was going to login, it was just a black screen. If you are in the login screen, the selected language in the right left corner and the internet connection in the left corner. Both of those two signs are flickering in the corners. And my cursor is also flickering.
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Mar 4, 2013
Since a couple of weeks, Windows has started scanning my disk on every boot. It does 1%, 2%, then sits for a while before it jumps to 9%. Then it works itself up to 43%, where it sits for a long while before jumping to 100%. Every time. I'm not having any problems with the system, and I'm not missing any files as far as I know. Why is it doing this and how can I get rid of it?
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Jun 4, 2014
I have Windows 8.1 installed on my Toshiba Satellite C655D-S5531 Laptop.
I have had this issue for a while now, but never really thought about it.
Every time I log in on my account (and ONLY mine), as the screen is saying "Welcome" and the dot circle is spinning, I get a short screen flicker. It only happens once, and ONLY when I'm logging in.
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Sep 15, 2014
I am using a Ideapad Z580 with Windows 8.1 64 bit. All was working fine. But I formatted the C drive and reinstalled my Windows 8.1 OS. Then I installed all my drivers. After a reboot the screen started to jump(flickering).The top part of the screen(small portion) is appearing and disappearing in the bottom area. I tried to change the refresh rate.But it is locked in 60,and no other options are available.
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Nov 6, 2013
The problem is that every now and again (30-60 minutes of use) my computer appears to freeze, EX: the screen is fixed and I cant move the cursor and nothing on the screen changes, the PC does not seem to react to keyboard input: CTRL+SHFT+ESC for example. I have noticed at least once (while playing a game) that the sound that was playing when it occurs tends to loop.
When this happens all I can do is switch the PC off from the Power Source - wait 10 seconds and replug and boot. If I try to boot without unplugging from the Power Source - the PC fails to boot asking me to put in the Windows Disk.
This issue occurs in different types of use, sometimes when I am playing 3D games, sometimes watching youtube or even reading the BBC news. No events are logged which give indication to what is happening.
SECONDLY: On some occasions when I leave my PC idle - I come back an hour later and it has rebooted itself (No BOSD Logged) to the Boot Failure Menu.
I have had one blue screen in the past 2 weeks (DPC Watchdog Violation) which seems to point to my SSD, but I cant figure out how to fix it - or if that is a secondary issue. Unfortunately as my SSD is only 64 GIG when i did get the BOSD, it didnt store it due to the space remaining on the disk (16 GB).
I have tried to attach my system event viewer (Cleared prior to this latest incident) but the uploader says its an invalid file .
Additional Notes
OS: Windows 8.1 (Installed on Release Day, Never had problems with 8.0)
GFX: Nvidia 550 TI
Disks: SSD (Crucial M4 64 GB) (OS Install), 1TB (Hard Drive storing games and files on software partitions)
8GB Memory (tried reseating)
PSU: 700 WATT
I know the issue isn't heat related as I have monitored this. I think the problem may have started a week back when I installed the latest NVIDIA Drivers - I have since uninstalled and reinstalled them, all my PC Drivers are up to date. to reduce load on GFX I have unplugged my main monitor.
I have run Malwarebytes, SuperAntiSpyware, Windows Defender (My AV), RogueKiller, TDSKiller - several times, no viruses/rootkits, the occasional ad tracking on SuperAntiSpyware probably due to internet browsing.
I have no windows updates pending.
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Dec 29, 2013
So I did a system restore last night to my windows 8 laptop, and when I woke up an opened desktop the screen started constantly turning purple and going back to the desktop.
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Aug 3, 2014
My pc just started crashing a few days ago. I will try to be brief because guess what you all really need to see is the zip file. I have tried a few things to work with this code 41 kernel and I am not sure what is causing it. I am mostly crashing it seems when I try to use windows features/tools. It cant seem to complete any recovery etc tools before crashing. I have attached this file...
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Feb 26, 2014
My HP Windows 8 laptop started going very slow so I restarted via the power settings. When it restarted it did an update, though it didn't say "update and restart". When it started again and went to desktop it went slow again and I got a "windows is not responding" (or something along those lines) message, then the screen went black, I left it for a few minutes but it stayed black. The cursor was still there and if I right clicked it showed the menu.
After this I did a hard restart and attempted to go into recovery mode, it didn't go the and when I got to desktop I got the same message again, this time the desktop had the usual white highlight when something isn't responding, but still required a hard restart.
I am now on the third time and it seems to be working, I am doing a full computer scan. What I want to know is why it would do such a thing?
If all else fails it's under warranty, but being a student I have a lot of work to do so can't really afford to be without the laptop.
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Sep 27, 2013
I had a problem with my laptop in that the disk use went to 100% and then the screen started blinking and I couldn't click on anything. After a reinstall of the OS it worked the same as new for about an hour but now the disk use climbs to 100% even when a new tab is opened and it stays at the max for a short time. The laptop becomes unresponsive during this time also.
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Jun 19, 2014
I've recently completed a PC build:
ASUS Rampage IV Extreme motherboard
Intel i7 4930k CPU
64GB Corsair DDR3 RAM
Seagate Barracuda 3TB HDD
Samsung 840EVO 500GB SSD (boot drive)
GPU: NVIDIA GeForce GTX760
PSU: Corsair AX860
Windows 8.1
Machine started shutting down unexpectedly, and refusing to wake from sleep a few days after being built.
A few days later and the problem has got worse now - BSOD with various errors, such as MEMORY_MANAGEMENT, KERNEL_SECURITY_CHECK_FAILURE, SYSTEM_PTE_MISUSE, and others. Oddly, desktop search has also stopped working.
I have updated the drivers and the BIOS, but this doesn't seem to have had any effect.
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Mar 8, 2014
There's this bugcheck that forces me to refresh install my Windows 8 installation. Everything was normal until I restarted my system and it takes longer time to boot. The screen stays black after boot logo disappearing, until I saw a BSOD.
Attached below is last and the only dump file generated while BSOD occured. I need to know what's the real cause so I can prevent it in the futures (this is like my third time to refresh install in less than a year...)
Note that I generated this diagnostic after refresh install so it might be irrelevant to crash dump attached...
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Oct 19, 2013
I have an Acer Aspire laptop which has recently stopped booting up. It doesn't display anything when powered on. I know it is not a problem with windows because it doesn't even display the Bios boot screen. Why is this? The fans start but I cant hear the hard drive.
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Jun 11, 2014
Can I have icons on the Start screen that do not show up on the Apps screen ?
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Oct 15, 2013
I upgraded to Windows 8,double clicked the windows.old folder to get files from old computer, now there are ICONS all over the screen and I can't delete some of them or programs won't work.
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Dec 21, 2013
I want to ask about start screen, here the screenshot.
The icons changes like box show in the screenshot. The last thing I remember before it's happen is, I installed all the font that I copied from other computer using windows 7.
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Oct 16, 2012
I am getting quite used to the start screen on Windows 8 (as opposed to a start menu (?) - this change in nomenclature is sure to confuse users...)
I followed the tip on organizing into groups - quite useful.
However, once I have my start screen organized the way I like, I find that within groups icons tend to 'shift' positions randomly - which is irritating.
Any way to 'lock' them so once they are in position - one would think MS would have thought of that already.
Noticed something interesting - I am on a dual monitor set-up and when I open the start screen on a different monitor the organization of the start screen changes. Maybe that is why it is not an option (?) ...
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Mar 25, 2014
I have a problem I can not see more in the icon bar of the start screen of my windows 8.1 tried to explain to a previous restore point but without result ..... I do not want to reformat everything ...
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Nov 23, 2012
I have Windows 8 pro + WMC 64-Bit installed on a laptop .. I have noticed sometimes when I right-click a file it just hangs with the circle spinning forever - I have to terminate explorer.exe and restart it - when i do all icons are blank - after a couple of attempts all shortcuts and favourites normally in left panel are gone
rebooting fixes it for a while - I dunno why but ive a sneaky feeling SLEEP plays a part, (due to past experiences too in other windows os's) ive noticed it really seems too happen if the laptop has been too sleep, ive noticed in past that problems seem to occur when one uses sleep or hibernate, its like the system becomes unstable? - i could be wrong, just I use sleep cos the power button is gone.
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Nov 8, 2012
The only problem I am having is the top and bottom edge of my screen flickers like crazy! I didn't have this issue on Windows 7. Some apps don't do it, and some do it only at certain times. For instance, as I type this my Desktop top and bottom edges are flickering but when I exit it stops. Windows 8 native apps do it almost all the time.
I have updated my graphics driver and... well... I'm not sure what else I can do to make this stop! I can provide video on youtube of what it looks like if needed...
When I hold down a key for the "repeat" function the screen flickers with the repeat rate. In other apps it flickers randomly.
If I pull this hard drive and go back to Windows 7 I have no problems.
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Jul 6, 2013
I have a Windows 8 tablet/ultrabook (Lenovo Yoga). I primarily use the desktop to operate and have many icons and shortcuts arranged to facilitate the use of my computer.
When I use my PC in tablet mode, sometimes I rotate the screen to read PDFs, certain webpages, etc. When I rotate the screen back to a horizontal mode, all my carefully placed icons and shortcuts are shuffled around the desktop. I realize that when I rotate the screen the icons move because they have to temporarily reorient themselves to portrait vs landscape, but shouldn't they return to their original position when I rotate the screen back to the horizontal mode?
Is there a way to lock icons in place with Windows 8?
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Sep 1, 2012
I installed a copy of Windows 8 Professional. The "Live Tiles" on my new Start screen aren't working. I can click on the Store icon and it comes up, then immediately closes. I've turned off live updating and turned on app locations and all that. It still won't come on.
I've tried it with all my new apps, and none of them work, except for the Maps app.
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Nov 3, 2013
I'm having trouble with my HP laptop. I've had this happen before and I had to completely reset my laptop because of it.
Basically I went to log in this morning, it said my profile couldn't be found and signed me out. I then tried again to log in and the Start menu has been flickering continuously and I can't select anything, it has also 'lost' all of my stuff so it looks like a temporary profile.. I have tried googling for an answer and cannot find anything that works, when I try to 'refresh' my laptop via going to safe mode it comes up with the error code: 80070490. I've tried to do a 'clean boot' in safe mode but that won't work properly...
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Feb 1, 2014
I am running Windows 8.1 I am not sure why this is happening but on my Tile screens the icons all disappeared, and now rectangles.
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Dec 22, 2013
Windows 8 start screen adds 2 new columns when I add 2 items to a block of programs.
I end up with all these categories that have 2 or 3 icons off to the side when one new column would do it in a much more compact format. Some categories could be only one column but it still insists on using 2.
Am I missing something some place in the settings or something?
I wanted to post a screenshot but none of my screen capture software seems to work in Metro.
Snipping tool, Camstudio, and Fraps all close the Metro screen as soon as I activate them.
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Jun 25, 2014
The logon screen on my computer is not showing the icons for switch user, power, ease access, etc. The only thing I've done recently is uninstalled some fonts. Thinking this may have caused the problem, I reinstalled them but I'm still having this problem.
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Oct 22, 2013
Is there a way to align the icons in the Start Screen of Win 8.1? The customization feature won't do it and there is no apparent way to align the icons as the user may want to: (e.g. 8 icons in two neat columns).
When I try to align the icons the snap back and forth and it is very difficult, if not impossible to place them where I want.
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Mar 8, 2014
Client computer that shows black screen with text at boot up. Cannot boot into Windows 8 (8.1?)
This is what is on the black screen;
Your PC needs to restat.
Please hold down your power button.
Error Code 0x0000012a
Parameters:
0x0000000000000001
0x0000000000000046
0x0000000000000000
0x0000000000000000
After re-boot a message shows
Prepairing Auto Repair
Diagnosing PC
PC Did Not Start correctly either with 2 options - Restart and trying any of the Advanced Options
Restart option did nothing but restart this cycle of BSOD, etc. Advanced options to troubleshoot (Refresh, Reset, System Repair, Command Prompt are not available due to the following message:" You need to sign in as an administrator to continue, but there aren't any administrator accounts on this PC"
No system recovery disks or Windows 8 Installation media available.
PS :Cannot boot into Windows 8
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Jun 21, 2013
Recently I updated my hp dv6 3122sl to Windows 8. Now, obviously the drivers provided by microsoft didn't work, so I installed the softpaq by hp in this order ....
1. sp52351 for intel hd graphics (1st gen)
2. sp50640 for my ati radeon 5470 (it's important to set compatibility with windows 7 for this one) and now the switching is working fine.
However there's a big big problem. The screen flickers 3-4 times at startup and shutdown if I enable fastboot from the control panel, and it's so annoying that I disabled it, sadly.
I tried to update drivers, using custom drivers by leshcat and later official drivers by ati (13.1 for example, which I installed over the hp ones), and the they -more or less- worked, because I could use the fastboot smoothly... but my pc had several thermal shutdowns since I installed other drivers! So I switched back to the old sp52351 and sp50640.
There it is my question: (Maybe with intel+ati 5470) have flickers at startup and shutdowns?If yes, any way to update drivers without make my laptop blow up?
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Nov 3, 2013
I'm having trouble with my HP laptop. I've had this happen before and I had to completely reset my laptop because of it.
Basically I went to log in this morning, it said my profile couldn't be found and signed me out. I then tried again to log in and the Start menu has been flickering continuously and I can't select anything, it has also 'lost' all of my stuff so it looks like a temporary profile..
I have tried googling for an answer and cannot find anything that works, when I try to 'refresh' my laptop via going to safe mode it comes up with the error code: 80070490. I've tried to do a 'clean boot' in safe mode but that won't work properly..
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