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Computer Freezes After Loading CLASSPNP.sys

The system is not old (build maybe 6 months ago) and has been running fine up until now.Thank you very much to anyone who takes the time to read and contribute I tried starting windows normally at first and it didn't work so I chose the other recommended option of letting windows check for errors, then it restarted and went to the Definitely had something to do with the hardware and not only HDD because boot disks did nothing. I could not find my original boot disc, but I tried running off of a Windows 7 Upgrade disc that I had, which I assumed would work the same. http://darrenburnhill.com/computer-freezes/computer-freezes.html

I am still unsure what caused the problem. Usually this means there is some software installed on the computer that is causing problems with other aspects of Windows. Another client was using the Sticky Notes app that Microsoft wrote! Finally I found a solution, though it was pretty tricky.

The system is not old (build maybe 6 months ago) and has been running fine up until now.Thank you very much to anyone who takes the time to read and contribute thanks you. His USB drive had only word files or excel sheet documents. Based on this, I would conclude the motherboard to be at fault.

  • Thursday, July 09, 2015 5:20 PM Reply | Quote 0 Sign in to vote Had the same problem...
  • Trying the BIOS idea and then I'm stumped..
  • Click startup repair & let it do its' thing.
  • So copying ClassPnP will NOT help you. –Jet Mar 23 '13 at 11:04 add a comment| up vote -3 down vote Try booting into safemode in command prompt.

I have tried booting a Windows CD (Windows 8 Retail Installer) to see if I could upgrade it to fix this issue, however that froze at a blank screen after it At this point the setup process will load files, this will take several minutes. 3b) You will now need to choose the Language, Time, currency format, and Keyboard or input The location of the file is C:\Windows\system32\classpnp.sys. How to tell my parents I want to marry my girlfriend Sharing (characters) is Caring! 3 3-hour exams in a row with no time in between.

I was given the prompt to load into windows safe mode since the pc wasn't shut down correctly, but chose the normal load. I initially had the same problem as most of you, pc going into black screen after 'windows starting' screen and hanging at the classpnp.sys when trying to boot in safe mode. rebooted and got in windows as usual in seconds. https://www.bleepingcomputer.com/forums/t/537712/windows-7-hangs-when-loading-driver-classpnpsys/ Best Answer » If you try running Windows 7 in Safe Mode, it fails at Classpnp.sys.

I rebooted, and successfully rebooted into Windows. However, when at the "Loading System Files" screen, the process gets stuck after "Loaded: \Windows\system32\drivers\CLASSPNP.SYS.I have searched various forums and have found other users with this or similar problems, but their http://h30434.www3.hp.com/t5/Lockups-Freezes-Hangs/How-to-test-RAM-and-HDD-Hard-Drive/td-p/301638 ) Run a chkdsk on the hard drive, then try to boot again. And the last option short of formatting the drive is to use another piece of software called Ubuntu 9.10 Desktop.This is freeware that needs to be downloaded (http://www.ubuntu.com/) and then burnt

It gets stuck at classpnp.sys. In an attempt to troubleshoot the problem I rebooted with automatic reboot disabled, but the system still rebooted without the bsod when the problem occurred. Heres my fix: Unplugged all hard drives except the one with windows installation (in my case C: drive) Windows booted as normal. i then opened sys32 folder and pasted the new file.

Hope this answer helps. weblink There's something wrong with the motherboard's onboard firewire. The point of this story is that I thought replacing components without making sure would end well but it doesn't, you could just replace your CPU tomorrow and you could still Part B, Steps 1b - 10b 1b) Place the installation disc in the tray of the CD/DVD drive, close the tray and restart the computer. 2b) You will be

Friday, February 21, 2014 7:58 PM Reply | Quote 0 Sign in to vote I came across this issue for the first time today. Second since the computer is fairly new I tried reinstalling Win7 from the CD. When I put this new drive into my original laptop it somehow fixed the whole system at restart. navigate here Forget that dude at the top who just kept saying to reinstall OS and buy a new HDD.

I can't seem to find any possible solution to this. share|improve this answer answered Mar 23 '14 at 20:58 Mike Schmitt 1 add a comment| up vote 0 down vote I had this problem after hooking up a new SSD. F8 options all ended in blue screen.

You've updated it but no such luck.

My System Specs Computer type PC/Desktop Thedoctor44 View Public Profile Find More Posts by Thedoctor44 18 May 2014 #7 msgerbs Windows 7 Professional x64 82 posts I'm pretty worked!!! If the issue persists, I suggest you insert the Windows 7 installation disk and repair the system. That would save much time.

The first thing to try is the startup repair or system restore using the DVD. Popped the HDD back in the bad PC and it booted up fine :) Edited by Ken_PMH Monday, July 28, 2014 3:34 PM Monday, July 28, 2014 3:34 PM Reply Hope this helps Proposed as answer by Sean Mao 858 Monday, November 07, 2011 5:14 PM Edited by Sean Mao 858 Monday, November 07, 2011 5:17 PM Monday, November 07, 2011 his comment is here Attempting to read from or write to the DVD drive causes my desktop computer to reboot into an infinite series of reboots until the disk is removed from the drive.

Step 1: Log into Windows 7 with Administrator rights, click on the Start button and type in MSCONFIG in the search box. This also hangs while "starting windows". He began blogging in 2007 and quit his job in 2010 to blog full-time. However, after choosing to boot off of CDROM with this inserted, there is a gray loading bar with "Windows is loading files...," but after this completes, the system gets hung up

You must reconfigure it, or change back its settings. –Jet Mar 23 '13 at 11:01 1 Absolutely agree that care/doing your homework is needed if you do this and it's Also, when going into safe mode, the last thing Windows lists (CLASSPNP.SYS in this case) is the last thing it successfully loaded, so it's hanging on the 'next' thing (that it my wife had login errors to her email account, so she rebooted. For further information check my thread Windows 7 and the classpnp.sys safe mode loop. @ Erik Soto, I am still unsure on how to install Fallout 3 Game of the year

Thursday, July 03, 2014 7:18 AM Reply | Quote 0 Sign in to vote I took the HDD out of my PC plugged it into a HDD USB Dock on a I had this nightmare myself on a Samsung Series 3 laptop. I'm not sure what else to do. However, where would I go from here to go back into AHCI mode, since my PC seemed to run faster in that mode?