Windows 7 Forums
Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.

Windows 7: MBR is corupt, classpnp.sys hangs

08 Jul 2013   #1

Win 7 pro 64
MBR is corupt, classpnp.sys hangs


I have unplugd dvd unit wile pc was on. Now i cant get into windows and i cant instal new copy of windows.

May problem is also RAID10 witch cosists of 4drives 1tb. RAID shows 2corupt drives and ofers to repair one.
After i confirm that, status chages from dameged to degraded. In this state computer loads to classpnp.sys then hangs.

While i tried to instal new copy of win. I get mbr is corupt or I/O error.

My windows partition has renamed itself to d: from c:.

C: is now system reserved.

I have tried to repair MBR did not work pic in attachment.

Also i did classpnp.sys rename, did not work, in cmd no files are availeble from c d e or f drive.

I have importent info on e and f drive. How to resolve this?

My System SpecsSystem Spec
08 Jul 2013   #2

Microsoft Windows 7 Ultimate 64-bit SP1

My System SpecsSystem Spec

 MBR is corupt, classpnp.sys hangs

Thread Tools

Similar help and support threads for2: MBR is corupt, classpnp.sys hangs
Thread Forum
BSOD while classpnp.sys classpnp.old (Safe Mode) BSOD Help and Support
Boot configuration corupt BSOD Help and Support
Windows hangs on CLASSPNP.SYS - even when using a boot disk. General Discussion
AMD Phenom II X4 955 drivers corupt? Hardware & Devices
PC Hangs on Boot And on Safe mode at CLASSPNP.SYS, Setup-fix not work BSOD Help and Support
Mac Bootcamp Windows 7 hangs on Classpnp.sys Hardware & Devices
Win7 x64 hangs@ CLASSPNP.SYS after run Kaspersky Virus removal tool BSOD Help and Support

Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd

All times are GMT -5. The time now is 02:19 PM.
Twitter Facebook Google+

Windows 7 Forums

Seven Forums Android App Seven Forums IOS App