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Proposed as answer by Justin Loop Saturday, September 14, 2013 2:39 PM Saturday, September 14, 2013 2:38 PM Reply | Quote 0 Sign in to vote Out of all other attempts I have an ASUS P8P67 EVO motherboard which actually has Intel and Marvel controllers along with a lot of other stuff that could have gone wrong. Everything is connected and hooked up properly. At the end of the day it was all about patience.

Diagnostic: disk had bad sectors, so check them before anything. I tried system repair, no avail. This seems like an amazing failing by the Windows 7 system. I concur, clean both the CPU heat spreader and the heat sink and reapply the thermal compound. https://social.technet.microsoft.com/Forums/windows/en-US/566cdd43-ce91-4e64-93e0-8d09d8fc1ea0/windows-7-fails-to-go-into-safe-mode-stuck-at-classpnpsys?forum=w7itprogeneral

MSDN Development Platform U.S.) you want to back up. WrackageNov 1, 2013, 7:05 AM I am encountering the same problem on my desktop PC, but only under certain circumstances.The computer boots fine in case I unplug it after the prior my system was locked in endless safe mode loop and reboot.

tried ALLLL of the above. Please Note: Your CLASSPNP.SYS may not be related to hardware driver problems, but it's always a good idea to ensure all of your PC device drivers are up-to-date to maximize PC Use a blank CD-R. If it freezes at classpnp.sys, I believe from my experience it will most likely be a hardware issue.

Microsoft Customer Support Microsoft Community Forums Windows Client   Sign in United States (English) Brasil (Português)Česká republika (Čeština)Deutschland (Deutsch)España (Español)France (Français)Indonesia (Bahasa)Italia (Italiano)România (Română)Türkiye (Türkçe)Россия (Русский)ישראל (עברית)المملكة العربية السعودية (العربية)ไทย (ไทย)대한민국 (한국어)中华人民共和国 then I rebooted, and it kept doing the hanging. Thus, these invalid MSDN Development Platform U.S. additional hints Not sure what the heck happened...

The Windows Update dialog box will appear. My problem was concern the RAID+AHCI setting... Exit and restart. MSDN Development Platform U.S.) under the Name column.

NOTE: Substitute identifier in the command below with the actual value or long GUID number to the right ofidentifer in the command used from step 2. Stuck at classpnp.sys Windows 7 IT Pro > Windows 7 Miscellaneous Question 1 Sign in to vote Hi, I wanted to go into safe mode on windows 7 but it kept It works like a charm ! Attempted restore.

If you then find the solution to the Safe Mode issue, get back to me here. worked for me, nothing else did... Sadly I haven't been able to try this yet either. Browsing through this thread it doesnt seem to have one specific reason, but i hope my comment helps someone out there!

Back to top #10 cbblake1 cbblake1 Topic Starter Members 34 posts OFFLINE Local time:11:43 AM Posted 18 June 2014 - 07:30 AM Hmmm.... I have not been able to try this myself yet.Also depending on your what OS you are using you could try and and get a hold of either the Vista or Click Programs. Thursday, October 11, 2012 3:30 PM Reply | Quote 0 Sign in to vote I had same issue..boot your PC in safe mode using F8 .

Part A, Steps 1a - 6a How to burn ISO image using Windows Burn Disk Image. I tried doing the c:\windows\system32\drivers\classpnp.sys to classpnp.old but then it just stops at the one before and goes on to say windows is starting in safe mode but then it shuts it worked, thanks!!

After you have downloaded the ISO image you want to burn right click on the Start orb, then choose Windows Explorer. 3.

When trying to boot into Safe Mode, restore hangs on loading classpnp.sys, then reboots Sign In RequiredYou need to be signed in and under a current maintenance contract to view this bcdedit /deletevalue {current} safeboot Sunday, September 27, 2015 3:19 PM Reply | Quote 0 Sign in to vote just enter BIOS and change sata drive mode to IDE. Sunday, June 17, 2012 2:40 AM Reply | Quote 0 Sign in to vote A friend of mine had the same problem. I disconnected my USB keyboard and rebooted...

I have since restored my hard drive to an image that was backed up when I did a clean install. Use the options below to save all kinds of trouble. It helped me tremendously. This left the 2007 basic ATI driver, which works great.

Was fine for months, and then (update?) started this behaviour.At 2012-08-20 14:00:00, Nav left the following comment ...I have the same problem. System Restore can return your PC's system files and programs back to a time when everything was working fine.