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Windows 7 Blue Screen Safe Mode Classpnp.sys

Mine was on 'compatibility'. If System File Checker finds a problem with your SYS or other critical system file, it will attempt to replace the problematic files automatically. Maintaining a driver backup provides you with the security of knowing that you can rollback any driver to a previous version if necessary. Small Computer System Interface (SCSI) is a set of standards for physically connecting and transferring data between computers and peripheral devices. check over here

If the problem comes back, you know that the problem item is in that list of checked items. Click on Verify disc after burning if you want to Windows to verity the disc image after burn. After putting a note on his desktop, the computer started hanging. If you have any additional thoughts on how to debug it please let me know.

Click Yes. There is another fact, however, among numerous computer users, most of them are just general computer users who lack of professional knowledge about computer and the system structure, so it is I tried system repair, no avail. I know your time is precious and it means a lot to me that you have read this far in effort to help.

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, When Do SYS Errors Occur? ernestosJun 1, 2013, 11:13 AM I've had same problem twice. However, the everyday regular use of computer will keep creating wasted/invalid/obsolete that could dilate the registry and cause registry malfunction eventually, this could lead to system slowness and various system error

Friday, February 21, 2014 7:58 PM Reply | Quote 0 Sign in to vote I came across this issue for the first time today. Although later versions of Windows include the Windows Memory Diagnostic Tool, I highly recommend using Memtest86 instead. Then if I pressed a key on the keyboard the keyboard lights would turn back on. http://www.tomshardware.com/forum/50042-63-boot-safe-mode Wednesday, March 07, 2012 7:23 AM Reply | Quote 0 Sign in to vote hi there, I faced the same poblem too.

it frooze in the initial windowslogo. If the Startup Repair tool determines this, it may automatically run the the repair after your computer restarts. If this action resolves your BSOD, this will be the source of your problem, and therefore your new memory is either incompatible or bad. then I tried safe mode and it loaded but when it reached classpnp.sys it seemed to take forever, after about 20 mins, it finally loaded, and I cleared some software out.

After a few minutes you should boot into Windows normally with no problems. browse this site Everything I have been told hasn't worked. You can restart the computer and press F8 to get a list of boot options, which includes Safe Mode, Last Known Good Configuration, etc. You can read online how to boot from DVD and get to these options.

Thanks a bunch! check my blog Tried what you suggested but my BIOS did not have the 'compatibility' option, so I switched it from AHCI to IDE. 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 . The system was dual booted with ubuntu and Ubuntu works fine.

tttonyyyOct 5, 2014, 9:26 PM In my case getting stuck in \Windows\system32\drivers\CLASSPNP.SYS was caused by a badly connected SATA cable. After every single Windows Update, the windows don't start. Back to top #11 cbblake1 cbblake1 Topic Starter Members 34 posts OFFLINE Local time:06:40 AM Posted 22 June 2014 - 08:11 PM Update: We have success! http://brucelrussell.com/windows-7/windows-7-safe-mode-bsod-classpnp-sys.html Put it in the bad Lenovo and BSOD after CLASSPNP.SYS.

With updated device drivers, you can finally unlock new hardware features and improve the speed and performance of your PC. Type "regedit" and hit ENTER. I just let it run.

Click Yes.

Just make sure to go into the BIOS and set Boot from CD/DVD as the 1st priority above Hard Disk. Thanks, Novak Tuesday, March 16, 2010 8:44 AM Reply | Quote 0 Sign in to vote As stated before, I cant get past the Safe mode loop. 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 This will take several minutes.

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 bomboom1552May 2, 2014, 1:18 AM It may sound simple and not apply to all situations where this occurs but when it happened to me I took the computer to the garage All rights reserved Terms of Use | Privacy Policy | Site Map | Browser Compatibility UA-20013709-3 True 100 Help Desk Geek Search Menu Windows Windows 8 Windows 7 Windows Vista Windows have a peek at these guys so I changed it to 'AHCI' and it booted like a charm.

I applied the Alt+F10 key again. Roelfk7Sep 23, 2014, 5:20 PM After replacing mboard on windows 7 pc will not boot into windowsBut I thought id share my experience incase anyone else is looking for a solution You can use a plastic card (debit, credit, library, etc.) to clean off most of the old thermal compound. Sunday, June 24, 2012 12:25 PM Reply | Quote 0 Sign in to vote Right, I battled long and hard witgh this one and found it to be quiet simple if

Not sure yet but I think one of the drives died. Update: I inserted the same SDHC card back and it now boots fine. I renamed it back and renamed x:\windows\system32\drivers\classpnp.sys classpnp.old and it worked. If you try running Windows 7 in Safe Mode, it fails at Classpnp.sys.

Windows XPhttp://www.theeldergeek.com/windows_xp_registry.htm Windows 7http://www.theeldergeek.com/windows_7/registry_edits_for_win7.htm Windows Vistahttp://support.microsoft.com/kb/2688326 - LetMeFixItMyselfAlways Step 3: Conduct a Full Malware Scan of Your PC There is a chance that your CLASSPNP.SYS STOP error could be related to thanks you. bcdedit /deletevalue {identifier} safeboot For example: If I wanted to have Windows 7 not boot into Safe Mode anymore, I would type this command below and press Enter. So what was my problem?

The computer restored back to the Old Vista Home premium (Originally it was bought with Vista with a free windows 7 upgrade sent later). Locate CLASSPNP.SYS-associated program (eg.