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Windows 7: Windows 7 freezes after a few minutes

07 Mar 2013   #1

Windows 7 Home Premium x64
Windows 7 freezes after a few minutes

Hello everyone,

I'm having lots of trouble with my Windows 7 laptop today. It runs perfectly on safe mode, but on normal mode most of the times it freezes after 2-5 minutes of booting. Usually the screen freezes first, but I can still move the mouse cursor for less than a minute before it freezes completely. Other times Windows just keeps loading forever, and the last time I tried I was able to enter Windows, but the desktop never loaded. The screen was black and all I could see was the mouse cursor, which I could move for a few minutes before it froze. This last situation happened only once, though.

What could it be? I tried doing a clean boot but it didn't work.

Thanks a lot in advance!

My System SpecsSystem Spec
07 Mar 2013   #2

Windows 10x64 Build 1709

This may help : SFC /SCANNOW : Run in Command Prompt at Boot

Or you could try a system restore to before this started.

You HAVE ran some malware/Anti-Virus scans , correct?
My System SpecsSystem Spec
07 Mar 2013   #3

Windows 7 Home Premium x64

Hi indianacarnie, thank you for the answer. Yes, I have ran both Avira and Malwarebyte scans, none of which showed any virus or malware. I tried to restore the system and it didn't work either, when Windows rebooted after doing it it froze again, and after that, when running the safe mode I got a message that the system restoration couldn't be completed.

I can't do what the link you gave me says, because I don't have the Windows 7 installation CD (it was already installed in the laptop when I bought it at a retail shop), neither my laptop has CD/DVD drive

Again, thank you very much for your help!
My System SpecsSystem Spec

07 Mar 2013   #4
Microsoft MVP


Access System Recovery Options to try SFC from Command Line and System Restore.

In addition work through these other Troubleshooting Steps for Windows 7 which will work from Safe Mode. I would run the hardware tests too to get that out of the way.

If you're still running the bloated corrupt factory preinstalled Win7, I would strongly consider getting the superior Clean Reinstall - Factory OEM Windows 7 for best performance.
My System SpecsSystem Spec
07 Mar 2013   #5

Windows 7 Home Premium x64

Thank you, I will try what you say and let you know what happens!
My System SpecsSystem Spec
09 Mar 2013   #6

Windows 7 Home Premium x64

Hi! Now things are worse, when running in safe mode with networking options my laptop cannot connects to the Internet, and sometimes when loading Windows in safe mode it freezes at the classpnp.sys file and stops booting.

I tried everything gregrocker said but nothing worked, and after googling for a solution I even tried to rename the classpnp.sys file to classpnp.old, in case that file is causing the problems, but I couldn't. It said I needed TrustedInstaller permissions.

I think all that's left to do is a clean reinstall. What do you think? Thanks!

EDIT: I also restored the BIOS to its default settings, but it didn't work either.
My System SpecsSystem Spec
09 Mar 2013   #7

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1

That would be my choice providing you use Clean Reinstall - Factory OEM Windows 7
My System SpecsSystem Spec

 Windows 7 freezes after a few minutes

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