Crashes on Win7 Logo - Safe Mode Works

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  1. Posts : 12
    Windows 7 Ultimate x64
       #1

    Crashes on Win7 Logo - Safe Mode Works


    Hi, this morning my computer randomly locked up and needed to be restarted. Now it will not boot normally, only in safe mode. When attempting a normal boot, it sits on the normal Win7 loading screen for 4-5 seconds and then goes to a black screen with the computer still running. No error messages, no BSOD, mouse/keyboard are dead. The only way to get any response is to power off then back on.

    I have nothing plugged in except for the mouse and keyboard (they both work) - I also unplugged my storage HD with no result. I have reset the Bios to default settings and optimal default settings - no luck. The whole computer is relatively new (2 weeks old), but I have not installed any new drivers or hardware since the initial setup. Windows automatic update is on (This is probabyly the culprit? I don't know for sure)

    Originally when running the startup repair, I was getting a badpatch error. Now I'm getting ExternalMedia. I can provide the details if needed for the repair failure message ( just need to run it again)

    I've looked through a lot of tutorials on this site, so far:
    -Turning off processes in safe mode and trying a "clean boot" does nothing - it still freezes at the same point.

    -I ran both an antivirus and malwarebytes scan in safe mode - neither found anything.

    -System restore tells me it cannot complete due to an unknown error (no other information). Despite this, when I load in safe mode it tells me it was successfully restored. I tried all four restore dates and none would boot normally.

    -chkdsk from command prompt reports no bad sectors, completes successfully.

    -The sfc /scannow from command prompt completes succesfully and reports no errors.

    I'm about to give up and to a complete format/clean install, but I want to avoid that if at all possible. Any ideas? :)
      My Computer


  2. Posts : 12
    Windows 7 Ultimate x64
    Thread Starter
       #2

    Well, I went to run the startup repair again so I could give full details on the error but now its telling me it can't find a problem. Despite this, the issue remains - Win loading screen -> black screen (monitor active, no command prompt, no mouse/keyboard, no BSOD or other errors)

    I also want to say I tried the "Last Succesful Boot" option with no success.
      My Computer


  3. Posts : 4,566
    Windows 10 Pro
       #3

    Please read this tutorial fully, and follow all steps.

    99% of the time all issues can be resolved with problems starting windows with this tutorial.

    Troubleshooting Windows 7 Failure to Boot
      My Computer


  4. Posts : 12
    Windows 7 Ultimate x64
    Thread Starter
       #4

    Thank you for the response. I did read and follow that tutorial, I've done everything up until the point of backing up files and doing a clean install. I would really like to avoid that if possible so I thought I would see if anyone had ideas.

    I feel like this should be fixable since safe mode is working, I just don't know what to do. I also looked into doing a repair install but since I can only start in safe mode that isn't really an option.
      My Computer


  5. Posts : 4,566
    Windows 10 Pro
       #5

    wlhaywood said:
    Thank you for the response. I did read and follow that tutorial, I've done everything up until the point of backing up files and doing a clean install. I would really like to avoid that if possible so I thought I would see if anyone had ideas.

    I feel like this should be fixable since safe mode is working, I just don't know what to do. I also looked into doing a repair install but since I can only start in safe mode that isn't really an option.
    I am going to ask someone for assistance, please stand by. Thank you for actually following the tutorial :)
      My Computer


  6. Posts : 12
    Windows 7 Ultimate x64
    Thread Starter
       #6

    Thank you.

    I enabled boot logging and looked at the file in safe mode, there are a lot of drivers failing to load but its so many that I can't tell which one is the problem (or even if this is the problem).

    Service Pack 1 6 18 2014 13:53:14.125 Loaded driver \SystemRoot\system32\ntosk - Pastebin.com
      My Computer


  7. Posts : 1,519
    Windows 7 Ultimate 64-bit, Windows 8.1 64-bit, Mac OS X 10.10, Linux Mint 17, Windows 10 Pro TP
       #7

    Have you considered using System Restore? You can start it while in Safe Mode. Start, All Programs, Accessories, System Tools, System Restore. Choose a date before you started having problems.
      My Computer


  8. Posts : 12
    Windows 7 Ultimate x64
    Thread Starter
       #8

    Yes, I have 4 system restore dates available and tried them all. It gives me an error saying the system restore cannot complete, but when I start in safe mode I get the popup saying it has been successfully restored to X date.

    Regardless none of the four restores will boot normally, only in safe mode.
      My Computer

  9.    #9

    Post a camera snap of the Partition Wizard drive map and listings, which you'll have handy if you completed all the Troubleshooting Steps for Windows 7 steps.

    Which AV scans did you run and what found? SFC results?
    Last edited by gregrocker; 19 Jun 2014 at 00:19.
      My Computer


  10. Posts : 12
    Windows 7 Ultimate x64
    Thread Starter
       #10

    Hi, so theres a pretty massive update but still the same problem.

    I decided to just go ahead and reformat/clean install. Everything goes fine, I start installing drivers and then this problem starts again.

    Long story short, as soon as I install the drivers for the GTX 760 my PC won't boot. I system restore to before the drivers and its fine. I've tried multiple versions of the driver, always the same problem. There was a beta driver release yesterday - I do not know if GeForce experience automatically installed it or not.

    The thing that makes this so weird is although its a new build, it was running perfectly for a week with the latest stable driver installed. Now it no longer works - this is after a completely fresh format and Win7 install.

    Could my card have died? It runs fine without drivers, but as soon as I install them Windows 7 won't boot. The install is always clean with no errors, it just wants me to restart and when I do the problem occurs.
      My Computer


 
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