Windows 7 hangs at classpnp sys

System will certainly not boot Win7. System repair is unable to deal with. Tried system reclaim CD, very same story. In safe mode, stops at classpnp.sys.

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Hello Peterd-ct,

Thank you for posting your query on Community.

Please helps us understand the worry better through the complying with

When you say “Tried System Resave CD”, do you intend you tried to perform System Rekeep making use of Windows 7 installation disc?What happens once you attempt to restart your computer system via Windows 7 installation disc?Have you made any considerable device transforms recently that could have actually led to this issue?

I understand, computer system not booting to desktop unexpectedly should be very frustrating, but, let’s try these approaches below to get this problem readdressed.

Method 1

Disaffix all the external devices (printers, scanner, USB (global serial bus) drives, etc) except computer mouse and the keyboard and also attempt to boot the computer system.

If this fixes the problem, then add the gadgets earlier one at a time until you find the item of hardware leading to the worry. Then upday latest driver for that particular gadget.

Method 2

Try to boot the computer system in last known good configurationand various other Advance startup options.

See more: Nvidia Control Panel Not Connected To Gpu, Nvidia Display Settings Are Not Available


As you have currently tried to boot the computer system in safe mode and also it stuck at classpnp.sys, examine various other recovery options in Advanced Startup Options prefer “Last Known Good Configuration, Low resolution Video, Safe mode via command also Prompt, Debugging Mode" and so on.

Method 3

If concern persists, I would imply you to percreate aStartup Repair and also inspect if it renders any distinction.

Startup Repair: frequently asked questionshttp://home

Method 4

You deserve to also try System Restore from Windows Recoexceptionally Consingle to gain back your computer system to a point in time when it was working fine.

What are the device recovery choices in Windows 7?http://home

Method 5

If namong the strategy argued over solves the difficulty, follow the steps in the post below to troubleshoot the startup problems throughBootrec.exe

Use the Bootrec.exe tool in the Windows RecoveryEnvironment to troubleshoot and also repair startup worries in Windows.

See more: How To Change Display Density In Gmail Display Using Quick Settings

Hope it helps. Please let us know the standing, we will certainly be glad to aid you better.