Another classpnp.sys problem


  1. smoby06
    Posts : 4
    Windows 7 Ultimate x32
       New #1

    Another classpnp.sys problem


    Hello I just installed windows 7 ultimate x32 on my pc.After i installed it for 5 mins the pc was running great but after it began to run slow. I restarted the pc and chose safe mode, but it stuck at classpnp.sys file for 10-15 min . I looked at some threads on the internet ,tried some stuff but nothing happened. I updated my drivers to the last version , got an program Registry Booster used it too but still the same problem.

    I have Nvidia 9600 GT
    4GB Ram
    Dual-core 2.93Ghz
    motherboard: Asus P5QL/EPU
    Please Help!
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  3. Orbital Shark
    Posts : 6,305
    Windows 7 Ultimate x64
       New #2

    Hi, welcome to the forums :)

    We need to ask how/where you got your copy of Windows 7 before we can really progress any further.


    OS
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  4. smoby06
    Posts : 4
    Windows 7 Ultimate x32
    Thread Starter
       New #3

    Got it from a friend, the dvd is ok has no problem , and my friend hasn't encountered this problem.
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  6. Orbital Shark
    Posts : 6,305
    Windows 7 Ultimate x64
       New #4

    You may find the following article interesting

    Solved - Starting Windows 7 hang / freeze and classpnp.sys problem
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  7. smoby06
    Posts : 4
    Windows 7 Ultimate x32
    Thread Starter
       New #5

    Ok I read the article, that might be releated cause I had a little problem with windows xp and did a bios battery reset and changed some wires, but how didn't understand very well, can you explain to me in some familiar terms? Sorry I'm a bit newbie.
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  8. Orbital Shark
    Posts : 6,305
    Windows 7 Ultimate x64
       New #6

    I've just found

    Another classpnp.sys hangup

    Also, if you can access the BIOS i've read somewhere that classpnp.sys is something to do with SCSI (not 100% sure how accurate that is) but if you can enable IDE emulation from within the BIOS it might help. You will need to press either F1, F2, F10 or F12 during the 1st (P.O.S.T screen) to access the BIOS then normally under Advanced Settings you'll find SCSI information.
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  10. smoby06
    Posts : 4
    Windows 7 Ultimate x32
    Thread Starter
       New #7

    I accesed Bios ,but under Advanced Setting i didn't had SCSI information. And I tried some of these thing from that thread but it didn't work. Got this problem for 5 days .
    Edit: Now I try to reconnect the graphic card.
    Edit: Removed and reconnected both graphic card and HDD but still the same problem.
    Last edited by smoby06; 14 Apr 2011 at 09:14.
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