Screen flashes, cpu stops and screen goes black

Discussion in 'General Hardware' started by keispiegel, Mar 23, 2011.

  1. keispiegel

    keispiegel Geek Trainee

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    This is a recent problem that just started on my computer today. I'll be randomly on the internet or browsing some files, and my screen will quickly flash and my mouse and keyboard won't move or respond at all. And then a few seconds later, the monitors will turn off saying "no input" I can see that the computer is still running since I can see my fans moving in the case. However my external hard-drives all start stopping and shutting down. I'm forced to hard-reset completely.

    This also happened when waking up the computer from "sleep" The screens just stayed completely black, and unresponsive to any commands like ctrl-alt-delete.

    Never had this problem before. If it helps, I just today installed Firefox 4 and my Avast updated to 6.0. Perhaps someone has had similar problems, but my search didn't turn up anything.

    Windows 7
    NVIDIA GeForce GTX 260
    CPU: 4x, 2666 MHz
    RAMPAGE II GENE
    9GB
    Delta PSU
    Asus CG5290
    CPU, MB, SB, and NB temp and voltage all okay (between 40-56 deg and .9 to 1.5 respectively)


    Thanks!
     
  2. Wildcard

    Wildcard Big Geek

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    Hi,

    Are you able to roll back the changes that you made to your computer today? Its possible a new program is causing a conflict somewhere in the os. If you can, try removing the new versions of software that were just installed today. If you are not able to, maybe try doing a system restore on the computer from a few days ago or a week ago. If that doesnt solve the problem, it may be more hardware related. You may want to try running Memtest86+ to see if any of your RAM is reporting errors. If your Ram is giving errors, it can cause random freezes or crashes of the computer. To run the system restore, you usually need to go into safe mode to run it. When you boot the computer, keep tapping f8 and it should give you a list of boot options, including safe mode. Log into safemode and it should ask you if you want to use system restore at that point.
     
  3. keispiegel

    keispiegel Geek Trainee

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    Well, I tried the system restore and got it to work great. But then I was prompted to reboot to install some Security Essentials Updates, and now when I boot it takes a loooong while to load up, almost as if it had stalled.

    I also tried running the memtest (never knew what it was, saw it on my linux computer that I just installed, thanks for the tip) but it came back with no errors with anything, took about an hour or so to scan too.
     
  4. Wildcard

    Wildcard Big Geek

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    Hi,
    Sometimes with windows updates they will finish an installation on the next reboot, which may be why it was hanging. Did it ever log you into windows after the slowness? If you are able to get in, you can check in the event viewer to see if there are any errors showing up. To get to the viewer, right click the my computer icon/shortcut, and say manage. It will bring up a window with a few different options, and one should be the event viewer. You can plus it out and see the different logs that it keeps and check to see if they are showing any errors. Something else you can check from that window is the device manager. You may want to open that up and see if you see any warnings next to any of the hardware. There may be a driver that needs to be reinstalled or a piece of hardware may be not working correctly.

    It sounds more likely though that it was something in one of those updates that may have caused it, since it sounds like the system restore got the computer working normally. If you reboot the machine, does it respond normally now or still slow? You may want to check in the add/remove programs window to see what updates were just installed and maybe uninstall them to see if that gets your computer running more smoothly. You may also want to try doing a disk defragmentation as drive fragmentation can cause slowness. It also wouldnt hurt to run a malware scan with something like malwarebytes or spybot search and destroy in case its malware. I would also run a program called CCleaner which will scan the drive for old temp files and others that are not needed and taking up drive space. Getting rid of those files can oftentimes help with computer performance as well. :)
     
  5. keispiegel

    keispiegel Geek Trainee

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    It did, and it worked well overnight. However it stopped up again and when I rebooted, it stalled on the "Welcome" screen. I let it sit for 30mins and nothing.

    In the Event log I had A LOT of activity in the days of the problem. Easily at least 80 or so. I apologize if I have no idea what these mean, but here they are...

    219
    1060 [both of these say something about libusb0

    Then afterwards I get a few

    #4 and lots of 7036 and some 41.

    then a huge amount of the 219 and 1060.

    No drivers needed to be updated or anything like that. I restored, so any recently installed programs rolled back. I have my drives set to Auto-Defrag as they idle, so I don't have a problem with fragmentation, and I regularly clean my temp and registry with Ccleaner actually. I can with both Malwarebytes and Avast and neither pulls up any issues.

    Some people are thinking that it's an issue with a low wattage PSU, but others say it's plenty. So im still confused
     
  6. Wildcard

    Wildcard Big Geek

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    Hi,
    I did a search and it seems that the 219 and 1060 events in the event viewer are usually drive issues. If you can boot into safemode, check the device manager to make sure that all devices are working properly and do not have an exclamation mark or any warnings on them. If you are running 64bit windows 7, make sure you have the 64 bit drivers installed for them. Having incorrect drivers can cause issues with system speed and stability. Where you were getting so many of these errors, it may definitely be worth checking out all of your systems drivers to be sure they are for the correct operating system.
     

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