Solved

Windows 7 start-up hanging "classpnp.sys?"

Posted on 2010-09-11
13
2,623 Views
Last Modified: 2012-05-10
I have recently installed windows 7 ultimate 64 bit and have came across a problem where some times when I reboot my machine it will freeze on start-up (the logo screen) if I turn my machine off for 10 minutes or so and try again it will boot fine when I try to boot in safe mode it still freezes and gets stuck on "classpnp.sys"

I have tried start-up repair no luck

Any ideas?


Thanks
0
Comment
Question by:Beretta006
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 7
  • 3
  • 2
  • +1
13 Comments
 
LVL 5

Expert Comment

by:Iekos
ID: 33653095
It seems like you have a Laptop amd its over heating?  Is your laptop fan working?  Power i on and see if you can hear the fan come on.

A full hardware check needs to be preformed.
0
 

Author Comment

by:Beretta006
ID: 33653128
Sorry its a desktop P.C and it isnt overheating.

What should i use to preform a full hardware scan?
0
 
LVL 5

Accepted Solution

by:
Iekos earned 500 total points
ID: 33653143
http://www.kaldata.net/modules.php?modid=1&action=show&id=579

Very popular.  If you cant download it, google it.  Its a bootable CD with lots of tools.
0
Independent Software Vendors: We Want Your Opinion

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

 
LVL 5

Expert Comment

by:Iekos
ID: 33653150
PS, also check if your PC CPU fan working?  In BIOS, look at the CPU temp when it doesnt boot.  But eitherway, try the link above.
0
 

Author Comment

by:Beretta006
ID: 33653152
I'll give it ago thanks
0
 
LVL 2

Expert Comment

by:dufyd
ID: 33654059
You need a chkdsk

1. insert your installation disk
2. click on repair computer
3. select the command prompt
4. chkdsk DriveLetter: /r
5. wait
6. you are welcome.
0
 
LVL 2

Expert Comment

by:dufyd
ID: 33664463
how is it going over here?
0
 

Author Comment

by:Beretta006
ID: 33680381
Sorry for the delay here are the steps i have taken.

1. replaced the HDD
2. I have 2 sticks of 2gb RAM I took a stick out and rebooted to see if a stcik was faulty
3. Reinstalled Windows 7

I havn't ran the hardware scans yet, I am wondersing if this could be a PSU issue now
0
 

Author Comment

by:Beretta006
ID: 33680410
Sorry forgot to say that none of the above steps resolved the problem
0
 
LVL 2

Expert Comment

by:syahmixp
ID: 33691138
If you can still login, goto Control Panel\System & Security\Administrative Tools\Event Viewer or by typing eventvwr on start menu

Goto Window Logs\System see any error and or post your event screenshot here. we might find some clue there.
0
 

Author Comment

by:Beretta006
ID: 33723997
Log Name:      System
Source:        Microsoft-Windows-Kernel-Processor-Power
Date:          20/09/2010 18:35:20
Event ID:      6
Task Category: (6)
Level:         Error
Keywords:      
User:          SYSTEM
Computer:      Gamer-PC
Description:
Some processor performance power management features have been disabled due to a known firmware problem. Check with the computer manufacturer for updated firmware.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Microsoft-Windows-Kernel-Processor-Power" Guid="{0F67E49F-FE51-4E9F-B490-6F2948CC6027}" />
    <EventID>6</EventID>
    <Version>0</Version>
    <Level>2</Level>
    <Task>6</Task>
    <Opcode>0</Opcode>
    <Keywords>0x8000000000000000</Keywords>
    <TimeCreated SystemTime="2010-09-20T17:35:20.625000000Z" />
    <EventRecordID>2758</EventRecordID>
    <Correlation />
    <Execution ProcessID="4" ThreadID="56" />
    <Channel>System</Channel>
    <Computer>Gamer-PC</Computer>
    <Security UserID="S-1-5-18" />
  </System>
  <EventData>
  </EventData>
</Event>
pic.png
0
 

Author Comment

by:Beretta006
ID: 33724002
not sure if this is the error that is causing the problem but none the less i shal update my CPU's firmware
0
 

Author Closing Comment

by:Beretta006
ID: 34134829
I ended up replacing the P.C
0

Featured Post

[Live Webinar] The Cloud Skills Gap

As Cloud technologies come of age, business leaders grapple with the impact it has on their team's skills and the gap associated with the use of a cloud platform.

Join experts from 451 Research and Concerto Cloud Services on July 27th where we will examine fact and fiction.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Many admins will agree: WSUS is is a nice invention but using it on the client side when updating a newly installed computer is still time consuming as you have to do several reboots and furthermore, the procedure of installing updates, rebooting an…
As cyber crime continues to grow in both numbers and sophistication, a troubling trend of optimization has emerged over the last year.
This video Micro Tutorial explains how to clone a hard drive using a commercial software product for Windows systems called Casper from Future Systems Solutions (FSS). Cloning makes an exact, complete copy of one hard disk drive (HDD) onto another d…
With the advent of Windows 10, Microsoft is pushing a Get Windows 10 icon into the notification area (system tray) of qualifying computers. There are many reasons for wanting to remove this icon. This two-part Experts Exchange video Micro Tutorial s…

617 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question