I have a Sony Vaio VGN-NS325J. If it freezes at classpnp.sys, I believe from my experience it will most likely be a hardware issue. share|improve this answer answered Mar 11 '13 at 10:20 LawrenceC 48.1k677150 These dlls belong to EASEUS Todo Backup, so are legitimate. –harrymc Mar 13 '13 at 14:41 3 After correctly seating it, it booted fine. http://pspdesktops.com/windows-7/windows-7-and-the-classpnp-sys-safe-mode-loop.html
Instead, it brings up the same Windows select mode as a result of it not shutting down properly (giving the option for safe mode or normal mode). Safe mode boot hangs at classpnp.sys. For this purpose, download and burn a recovery/diagnostics CD. I couldn't boot in any mode, safemode, normal, safemode with command and network. https://social.technet.microsoft.com/Forums/office/en-US/566cdd43-ce91-4e64-93e0-8d09d8fc1ea0/windows-7-fails-to-go-into-safe-mode-stuck-at-classpnpsys?forum=w7itprogeneral
I got the classpnp problem but none of the solutions helped for me. And then give a shot to DLL Suite and fix the associated dll file errors in your PC. Good Luck, I hope this helps people diagnose their computers and driver issues.
Just make sure to go into the BIOS and set Boot from CD/DVD as the 1st priority above Hard Disk. You need to disable autorestart option. I applied the solution provided above to renaming the classpnp.sys with classpnpn.old. http://www.tomshardware.com/forum/50042-63-boot-safe-mode I rebooted, and successfully rebooted into Windows.
EDIT: I have since tried the following: Tried the solution involving restoring files from RegBackup, which changed nothing. But how is that not hardware? –harrymc Mar 12 '13 at 16:30 1 I don't think you can pass this assumption as fact. Like I said, unhook any newly attached hard drives. –dev Apr 21 '14 at 8:51 | show 4 more comments 14 Answers 14 active oldest votes up vote 6 down vote However itshouldwork a little something like this.
Not wanting to do everything from scratch, I took another identical (except for SSD) Lenovo and made a clone of the hard drive. Any idea ? Hope this helps. I know your time is precious and it means a lot to me that you have read this far in effort to help. 37 answers Last reply Feb 18, 2015 Best
I looked everywhere for a solution and couldn't find any good information about this issue. navigate here Privacy statement © 2017 Microsoft. Mine was on 'compatibility'. I did this last night, and I am currently writing this postfrom the same laptop.
I would try removing one piece of hardware at a time to narrow down where the problem is Sincerely, ThatRegularGuy117 I only had one 4GB stick of RAM in my laptop rebooted and got in windows as usual in seconds. can anyone help me on this. http://pspdesktops.com/windows-7/bsod-even-in-safe-mode-windows-7.html MC San CarlosDec 27, 2014, 2:14 AM Note that just before classpnp.sys is disk.sys which is apparently where the problem lies.For some people this was a hard disk hardware problem.I ran
My GPU broke down and I got a new one. Local time:12:53 AM Posted 14 June 2014 - 10:48 AM Instructions for a Windows 7 Repair installation. I do not know.
Some people have gotten stuck at the classpnp.sys part after performing a Windows update, which means it could be related to software. - In this case, you can try Last Known Other benefits of registering an account are subscribing to topics and forums, creating a blog, and having no ads shown anywhere on the site. tryied ALL - repair, restore, taking away wireless card, restart all safe modes and so on.. I was able to see my C: drive.
last time while on vista the computer fixed it self and after about an hour of looping loged on under safe mode. In my case it was related to an ATI driver issue - because some advanced drivers (usually part of ATI CC Catalyst complex driver install and features) play havoc with RAM I've seen this issue with many clients and boy it can be a real pain because a lot of the recommended fixes (using system repair or system restore) don't work! this contact form I disconnected my hd and ran the boot disc and was able to launch beyond the point where the system was getting hung up.It sucks that this will cost me, but
The cables all seemed snug. KHALID AIFAN replied on March 17, 2013: » Disabled peripherals in BIOS or manually removed RAM and other devices, reset the CMOS battery, etc...Eventually what worked: I switched my hard drive The computer was working fine until one day when I returned from work and found that it would not wake up from sleep mode. Check this page "http://support.microsoft.com/kb/2621246" I think this would save many hard disks from crashing.
Status: Answered & Closed. Now when I start it up it hangs at the "Starting Windows" screen. The possibilities really are endless. –oKtosiTe Mar 12 '13 at 16:33 3 @harrymc Bad sectors/bad data in those sectors are not always a sign of hardware fault. Friday, January 10, 2014 8:00 PM Reply | Quote 0 Sign in to vote Dear Diegolcv, God bless you.
My computer would just hang on the startup. Thanks for reading this barrubbaloOct 12, 2013, 2:06 PM Same problem...how to solve? If you choose to participate, the online survey will be presented to you when you leave the Technet Web site.Would you like to participate? When I clean my bios, AHCI config was lost, to solve I just change from IDE to AHCI and it worked again!