Strange Constant Flicker On LCD Monitor
Dec 22, 2011
I've been having this problem for a while now, and I really want to get to the bottom of it. The flicker takes the form of narrow vertical shadows moving across the screen horizontally. It isn't particularly noticeable on lighter backgrounds, but on a darker screen, it's really distracting. I notice it most when play Minecraft (in dark areas) and at darker scenes during DVD playback. I thought it might be that the monitor isn't getting enough power - there's my PC, an external HDD, surround sound speaker system and two lamps running off the same power supply - but I plugged it into a different supply, and still had the same problem.
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May 24, 2009
Anyway, this is my issue. Whenever I turn on my monitor, I find my resolution gets changed to 1280x1024 instead of my native 1440x900. This happened with the latest nVidia driver, the older nVidia drivers, and the built-in Microsoft driver. I couldn't get my native resolution back unless I rebooted the machine entirely.
This bug has gotten under my skin to the point where I went back to using Vista, which I didn't want since despite that issue, Windows 7 was a treat to use. Does anybody know why this keeps happening? My video card is an eVGA GeForce 9800GTX+ and my monitor is a Gateway 19 inch FPD1975WH if that helps.
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Jun 16, 2012
What would cause some of the games and printing flicker and freeze on me?
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Aug 12, 2012
Firefox browses and navigates fine, not a problem. Only when scrolling either with arrow or mouse, the background and sometimes the taskbar/system tray flicker. It's like you can see what window is open behind the browser view.I have tried using IE (not a fan...) and it didn't work so I uninstalled Firefox and attempted a reinstall only to find the problem remains.
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Oct 22, 2009
I just got Windows 7 Home Premium today and installed 64bit edition. I must say, I'm over the moon. Great OS. Have a very small annoyance issue I was hoping someone could tell me is a result of a feature that I can turn off that isn't a major.
So here's what's happening
In Windows Explorer / My Computer when it's maximized "full screen", when I double click a folder and navigate around the directories, the screen changes brightness to bright then back very quickly to the original level (it basically flashes). If a folder only has a few other files inside of it, it even changes brightness when I hover over the icons.
It's not a major and doesn't do it when it's not fully maximized. Even if I make it the size of the screen by dragging the corners when it's restored down it doesn't do it. Very weird, and kind of hurts my eyes, especially when it's getting late at night and I should be in bed already.
When I disable visual themes, the problem goes away, but then it looks like rank, and I want to have all the flashy things that are unique to this version of windows, so...
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Oct 20, 2011
guys im experiencing a very frustating problem...everytime i open games or apps it is not in full screen mode and it flickers when i click...i already updated the drivers for my video card...i experienced this after uninstalling RegistryEasy
Here is the specs of my Desktop PC
Intel Core i5 650
GeForce Gt220
2gb memory
Tnanks in advance
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Oct 22, 2009
I'll keep it short and sweet here. Just did the Windows 7 - 64 Home Premium install and did all the Windows and HP updates (yes, video driver is up to date - Nvidia 9300GSm). My screen is flickering for a 1/10th of a second every 20-30 seconds or so. It is incredibly irritating lol. Any ideas?
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Nov 20, 2009
After doing upgrade desktop icons would flicker and after some time the screen resolution would change. Then computer would stop responding and would only respond after forcing reboot. I contacted Microsoft and they had me do a clean boot which stopped the problems.
I restarted non-Microsoft processes one at a time and the problem seems to be caused by NVIDIA Display Driver Service. As long as this is not running computer seems to be fine. Only question is this something that is needed to run? When on Vista Home Premium before upgrade to Windows 7 there was no problem with this running.
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Apr 17, 2009
Sometimes fingernail-sized parts of my screen flicker. Are these called artifacts?
They smooth out when I drag the mouse pointer over them.
My drivers are as new as can be.
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Dec 5, 2012
why does my screen flicker when I go to another page? actually it does it all the time.
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Oct 10, 2011
I'm having an issue with a newer pc laptop. Win 7 dual-core etc. During use the screen begins to flicker black every couple seconds. I've seen this before and it turned out to be an over-heating issue. I believe that is not the case in this situation.
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Jul 3, 2010
Running Windows Ultimate 7 x64.I have had the problem a few of you have had with the thumbnail previews on the Superbar flickering when you mouse over the icon.Its deeper than just the superbar screwing up. When this happens I cant highlight and play more than one song at a time with WMP Have to minimize windows just to return to browser and switch back and forth to windows explorer.I have to reboot my PC just to play a DVD folder or DVD disc.The problem started well into 6 months or more of using Windows 7 so I knew it was a problem with either some software I installed or a Component problem. I use Acronis for back-ups and have saved full back-ups of Windows 7 that I know are non-problematic , so after restoring a good image on a freshly formatted partition the problem remained.Tried all the obvious things like video drivers and all but still felt it was in the motherboard chipsets. Something had gotten corrupted or changed.
I have a Gigabyte MB and downloaded the drivers for Windows 7, installed.still there. Tried north bridge and south bridge.What I ended up doing was installing Windows XP x64 on a extra partition which allowed me to use my original installation disc for my motherboard and was able to individually install the drivers for both chips...and after the installation of the south bridge, the computer needed to reboot, at which time it went into a deep process (screen display with please wait or whatever) that took several minutes to complete.I dont remember it ever taking that long to complete .....talking ...like....6-8 minutes. I knew something good was happening.I know these drivers are for XP while in XP but I really wanted to do this just to see if it might get in there and root around deep in those chips since they are the original drivers.I never used XP x64 before with this AMD x2 5600+ I am currently using so I spent a couple hours installing a few programs I use a lot and testing them.Finally I rebooted back into my 7x64 (use EasyBCD) and have not had one problem with it yet. It has been 2 days since I did all this.
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Mar 24, 2012
I have a shuttle Windows 7 pc setup as a media center, running a ati radeon 4550 over hdmi to a sony lcd tv.After the system has booted (on a ssd for os, harddisk for data,1gig network nas for films and music) i get intermittent problems with the display blanking outWhen it starts it goes every 3 mins, with the tv loosing signal for a second then the display returning.Ive tried...Swapping the hdmi cableReinstalling the osSwap graphics card for nvidia Adding extra cooling to the ati4550 card to keep it down below 50c.Even got a new barebones case and motherboardReinstalling the os seemed to resolve it for a while, then it reappeard after a few weeks.
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Jun 16, 2012
What would cause some of the games and printing flicker and freeze on me?
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Dec 23, 2012
I had this problem when I was just neutrally browsing through the internet when my screen just immediately flickered black, not for very long only about 1 second at the most, and my theme changed. I didn't really know what happened, so just kept browsing. I was browsing for about 20 more minutes and the same thing happened again, but this time it changed back. Recently just installed a new video card in my system, and have all the updated drivers, however, I wen't to CPUID to check the temps. of my system and my video card was pulling some numbers I haven't seen it do at this kind of browsing. My graphics card was about 67C and during regular web browsing it is usually around 30-35C. Is this a problem with Windows? Or is it a problem with my Graphics Card?
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Apr 2, 2011
It mostly happens in Lightwave 9.6 and Photoshop CS2. So the problem is that when I open a drop down menu in those programs the program either flickers a lot or it goes in the background and I have to alt+tab to get it back every time. It is really annoying because I can't do almost all important things in Lightwave and I can't save images in other formats in Photoshop beacuse of the drop down menu, and in other programs it flickers a lot and is just annoying.
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Aug 20, 2012
I installed Windows 7 on my computer (Upgraded from windows xp) and everything seems well. However, at random times it (sometimes it flickers black) goes into BSOD then restarts again to windows,,the DMP shows different kind of problems like:
Memory Management Failure "IRQL_NOT_LESS_OR_EQUAL" System Service Exception
I recently bought two 2gb ddr2RAM and I am now using it.
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Aug 6, 2009
this extremely annoying problem started the other day after i ran an energy report, which btw was the first thing i had done on the computer that day. so the energy report may or may not have something to do with it.
the problem could be referred to as several things really, jittering,
flickering, flashing, even kind of a bounce maybe....its just real quick, a split second at a time. depending on what im doing, it can be as often as every 3 to 5 seconds, or just intermittently.
heres a list of when the problem occurs.
1. watching vidoes online. hulu.com so far is the worst. picture flickers every 3 to 5 seconds. Internet much better, just every so often. watched one full show on nbs.com. didn't flicker once....!!?
2. flickers in game loading screens but not in game. thank god!
3. also when i launch an app or maybe a video offline it'll flicker once as it launches.
here's when it dosent occur.
1. in games. (outside of the loading screen of course)
2. outside of watching video online there is no problem as far as browsing etc.
3. no flickering on the desktop, or when navigating though windows.
to fix the problem ive tried windows restore, and reinstalling my video card drivers. neither fixed my problem. outside of doing a reformat i dont know what else to do.
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Oct 16, 2011
So I just recently upgraded to Windows 7. After installing all the necessary drivers provided by Windows Update, It was time to install the one provided for the Graphics Card. Ever since I've got the driver set, there seems to be this flicker on the screen that tends to show up every few seconds.
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Jun 20, 2011
I have a Dell Inspiron 1012 running Windows 7 Starter SP1 and I've got it hooked up to my Protron 42" LCD screen with HDMI cable. I changed the flicker rate to 70 Hertz without checking the Proton's maximum flicker rate - yeah, that's really SMART - so now I've got an issue with my external display.It worked okay for second but then my laptop screen turned black and the external display reads "Signal Out of Range" (duh, the Protron works only up to a 69.8 Hertz flicker rate, which I SHOULD have checked BEFORE changing it, but what's done is done -_-).Now, when I plug in the HDMI cable, my laptop screen goes to black and the external display still reads that same message. I can't change the flicker rate without seeing the menu on my laptop screen.
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Oct 6, 2009
I am running Windows 7 64 bit. It has been running great until today when it wouldn't boot. The Repair Disc wouldn't run and I thought that a BIOS flash I had done had gone wrong. I eventually did get it to boot but it wouldn't fully load. I decided to try removing RAM. I have 4gb in two slots. After removing one of them Windows booted fine. To check the RAM I took the second one out and replaced the first one, again Windows booted OK. I tried them both together again and I was back to Windows not loading.
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Jul 26, 2011
My computer has been acting up recently. After trying to oc my cpu I've been getting strange boot ups. It starts up then shutdowns then boots up again. But it still works after that i just don't like that.
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Mar 24, 2011
since i installed windows 7 on my pc (formerly win xp) i've got a really strange problem,At first everything works fine, but after a few minutes or a few hours keyboard and mouse turn off. Not necessarily at the same time, but in the end none of them is working. But apart from that everything works fine, the computer doesn't freeze. Keyboard and mouse are both old PS/2 devices.Has anyone got an idea how to solve this issue?
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Jul 10, 2012
Most of today, my laptop was acting fine. But after I installed the updates, something odd happened. I rebooted it to finish the updates as is expected, and when it rebooted, I got a sort of blank screen with a toolbar but with an error message that said it couldn't connect to my Windows or something like that. The error said something about Win32 being moved possibly or something. Sorry that I can't recall all of it. I rebooted again and since that time, it's been fine, although that first reboot after the error did give me a "PERSONAL SETTINGS (NOT RESPONDING) square.Any idea what could cause something like that just once?Everything seems fine now. I'm running a Dell Inspiron laptop that's about 15mo old, Windows 7, all the latest service packs. I just went over a thorough virus scan with someone in the virus area about a week ago and all was clear,will run scans again soon, should I post there again?
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Jul 31, 2010
Something has generated a folder C:24982372e61d90cbb1511cba10 on my HDD. It's dated 26-Jun-2010 and contains 27 folders and 115 files. Most of the folders have four digit names and contain three files each, to a total of 195 MB. All the folders have the same time-stamp, as do their contents. The storage is no problem but I hate having things around I know nothing about. "Who ordered that?" applies. I don't remember a crash but it's possible. I'm guessing that it would be safe to shift the lot to the recycle bin.
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Mar 28, 2011
Just bought a new PC. Runs Windows 7 Home Premium 64-Bit. I'm new to Windows 7 but have used previous Windows versions for years and years (but not Vista). And I've never seen this happen with any other operating system. Out of the box, Windows 7 sets up this "My Documents" & "Public Documents" system of folders (and the same for pictures, music and videos). And that's great for separating each user's documents and providing common folders which all users can see. But, shortly after setting my new PC up (installed a printer & some other hardware bits, installed Office & copied my document files across from the old PC), Windows suddenly renamed the "My" & "Public" versions of the documents, music & videos folders. Looking at it all via my own account (I'm admin, by the way), I had folders called "Documents" & "Documents" instead of "My Documents" and "Public Documents" (and the same for music & videos). But it kindly left me with "My Pictures" and "Public Pictures" folders. This has actually happened on two machines now. It happened on the original new PC. But the store exchanged it with an identical new machine
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Apr 19, 2011
When I woke up this morning and turned on my computer, two popups appeared: One from ESET SS4 telling me that C:Users*user*AppDataLocalMORYRUs.dll was infected, one from Windows RunDLL telling me that the same file could not be loaded.I googled the filename without luck and could not think of the usage, so I closed down rundll32.exe from my processes in the task manager and deleted MORYRUs.dll. I also launched CCleaner to clean up my registry files. Now, each time I reboot I get the annoying popup from RunDLL, telling me that this file can't be accessed. How do I get rid of it
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May 4, 2011
For the past two or so weeks I've been getting this screen after turning on or restarting my computer. I'm not sure what it is or whats causing it, and all I have of it is this picture I took with my phone.The text appears in the upper left hand corner of the screen. It doesn't stop me from booting or anything, all I need to do it press a key and startup continues like it normally would.
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Aug 3, 2009
I just installed Windows Seven 7600 x64 RTM on my notebook, and sometimes this happens:
1) The screen becomes black, however the "led light" on the monitor is still on
2) I close the notebook (physically close)
3) I re-open the notebook
4) I can see the desktop for a moment
5) The computer reboots
Also, it takes almost 7 minutes for Windows 7 to boot.
I have no crash dumps either. My drivers are the latest nVidia drivers for Windows 7.
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Feb 15, 2012
this thing shows up every now and then in my Taskbarshows up just for a second and then disappearsit looks like camera, a gear, and printerany ideas on what it might be?
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Nov 4, 2009
I seem to have a unique fault on my Windows 7 install.
Upgrading from XP
Spec: AMD Dual-core 3gig, 4 gb RAM, WD 500GB primary HDD, ATI gfx
So - downloaded and installed Windows 7 from a memory stick.
Installed apparently ok.
Re-booted - came up with the "popular" NTOSKRNL.exe missing/corrupt error.
Re-copied various files; hal.dll, ntoskrnl.exe etc as directed on various sites - no joy.
Thinking it could be a MBR fault and not being familiar with Vista/Windows 7 I stuck in my old XP install CD to use Fdisk.
With the XP install CD in the drive, Windows 7 boots perfectly! (Doesn't even attempt to load XP install/repair)
Take out CD - NTOSKRNL error.
Once in Windows 7 - everything works fine.
Looking at various other options, came acorss a couple of tips about BCD and bootrec such as:
How to use the Bootrec.exe tool in the Windows Recovery Environment to troubleshoot and repair startup issues in Windows
Error message when you start Windows Vista: "The Windows Boot Configuration Data file is missing required information"
Bootrec used to say the only OS was C:Windows.old.00
Ran fixes as above - now says there are no OS installed.
Windows 7 repair console only finds Windows 7 OS
Am starting to go insane.
To summarise:
Recieve NTOSKRNL.exe error when booting up PC
Boots Windows 7 fine with WinXP install disk in drive
Bootrec finds no OS
Windows 7 repair finds Windows 7
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