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Windows 7 Blue Screen On Startup Classpnp.sys

If it does, then re-enable items one by one until you find the problem startup item. - If you're still having issues, it could be a problem with a Windows service. Proposed as answer by mcatudal Monday, October 29, 2012 1:04 PM Unproposed as answer by mcatudal Monday, October 29, 2012 1:04 PM Tuesday, October 16, 2012 9:19 PM Reply | Quote My case was USB mouse. My System Specs OS Windows 7 Ultimate 32bit HNipps View Public Profile Find More Posts by HNipps 30 Jan 2011 #6 pebbly win 7 ultimate32bit, Win8.1pro wmc 32bit 6,333 posts this contact form

If it fails to load a file, you will need to check logs as you will never see it actually listed. Johnny Phung 475.069 görüntüleme 3:28 Stop 0x0000007b when installing windows - Süre: 4:07. I tried taking one of the modules out and leaving the other one in, and that didn't work, so i tried removing the other and replacing the one I took out, Very confusing now.

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did you solved this problem? Buy new one. Change the SATA setting from auto to AHCI. The system hangs up the same way here as if it were starting from the hard drive. - I have also removed the battery from the motherboard to reset the bios.

Operating System: Windows Description: September 1998 MD5: 1FD30A1F24D21BED8B15208DFAED7B4B SHA1: 0049B77288C5860A51B57257D5444925F5DC51B7 Operating System Information CLASSPNP.SYS error messages can occur in any of the following Microsoft Windows operating systems: Windows 10 Windows panicwithpandahDec 22, 2014, 12:05 PM Not sure if anyone is still having this problem but I was able to fix it for myself. Use Registry Editor at your own risk. https://www.bleepingcomputer.com/forums/t/537712/windows-7-hangs-when-loading-driver-classpnpsys/ Friday, February 21, 2014 7:58 PM Reply | Quote 0 Sign in to vote I came across this issue for the first time today.

And one reboot before I was to run the recovery, my computer started working again, consistently I can recreate the error by having that drive powered during the boot process and You'll get the obligatory white bar at the bottom of the screen saying 'Loading'. It would never boot all the way, so I tried booting in safe mode, and I found out that it would stop at classnp.sys. My PC no longer boots into windows.

If the Startup Repair tool determines this, it may automatically run the the repair after your computer restarts. http://www.sevenforums.com/bsod-help-support/141151-windows-7-safe-mode-reboots-classpnp-sys.html help me.....help me... If this is the case, you will need to replace the bad memory to resolve your CLASSPNP.SYS BSODs. Main hard drive letter changed and now XP won't even boot into safe mode Windows didnt boot up succesfully and won't even in safe mode More resources See also vista 64

To manually repair your Windows registry, first you need to create a backup by exporting a portion of the registry related to CLASSPNP.SYS (eg. http://arnoldtechweb.com/windows-7/why-windows-7-freezes-on-startup.html Locate CLASSPNP.SYS-associated program (eg. Save and exit BIOSAfter restart, you will probably hang again on the starting Windows screen, but the animation will still be working. I'm working on it; Tuesday, June 29, 2010 11:41 PM Reply | Quote 0 Sign in to vote Hello, A little late but I just wanted to point out that

  1. This appears to be related to an AHCI/IDE driver update which renders the PC unbootable.
  2. Tuesday, March 16, 2010 4:31 AM Reply | Quote 0 Sign in to vote Besides above suggestions, please also try the following steps to troubleshoot the issue. 1.
  3. Oturum aç 17 Yükleniyor...
  4. The SFC works, but I can't do this after every Windows Update.
  5. With the new hard disk, I again started having trouble, so googled and found that windows 7 has built-in auto restart option so whenever we shutdown the system, this autorestart suddenly
  6. otherwise considering either completely installing the Xubuntu side by side for the time being and or if I have to reformat anyway..
  7. Yükleniyor...
  8. I do not have install discs for either vista or windows 7.
  9. I even bought a replacement laptop.

DriverDoc's proprietary One-Click Update™ technology not only ensures that you have correct driver versions for your hardware, but it also creates a backup of your current drivers before making any changes. If you try running Windows 7 in Safe Mode, it fails at Classpnp.sys. The computer was working fine until one day when I returned from work and found that it would not wake up from sleep mode. navigate here The system hangs up the same way here as if it were starting from the hard drive. - I have also removed the battery from the motherboard to reset the bios.

Back to top #4 wpgwpg wpgwpg Members 1,149 posts OFFLINE Gender:Male Location:US of A Local time:06:36 PM Posted 14 June 2014 - 10:50 AM CLASSPNP.sys is part of the support Everything is connected and hooked up properly. Best regards CB Back to top #7 cbblake1 cbblake1 Topic Starter Members 34 posts OFFLINE Local time:05:36 PM Posted 17 June 2014 - 08:21 AM I want to thank

So start removing hardware one at a time (includes memory modules) untill you get a good boot.

After reading this and thinking it might hard drive related, I went into the BIOS and checked the drive interface. Thus, these invalid MSDN Development Platform U.S. If you have just added new memory to the computer, we recommend temporarily removing it to make sure it is not the cause of your CLASSPNP.SYS error. Site Changelog Community Forum Software by IP.Board Sign In Use Facebook Use Twitter Need an account?

Thursday, December 01, 2011 1:09 PM Reply | Quote 0 Sign in to vote Same problem. Bob Baron ssn says: 4 years ago Faced this issue on a friend's system. win 7 64 pro i5 4gb RAM Saturday, July 28, 2012 11:20 PM Reply | Quote 0 Sign in to vote Running a Toshiba laptop, plugged in a Toshiba external hard his comment is here One of my memoryslots is broken, so issue was hw related in my case.

The problem seems to be caused by the following file: CLASSPNP.SYS." ":( Your PC ran into a problem and needs to restart. As a guest, you can browse and view the various discussions in the forums, but can not create a new topic or reply to an existing one unless you are logged Explorer was running but not showing anything besides the mouse so I did CTRL+ALT+DEL, closed explorer and tried running a new one and it still wouldn't work.