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#1
matt13

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computer wont log into windows because system32\drivers\isapnp.sys is missing or corrupt please help
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#2
Murray S.

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Howdy and welcome to G2G:

As per Microsoft..

To resolve this issue, use Recovery Console to replace the Isapnp.sys file.

To replace the Isapnp.sys file in Windows XP, follow these steps:

1. Start the computer from the Windows XP CD-ROM.

2. At the Welcome to Setup screen, press R to repair, and then press C to start Recovery Console.

3. At the C:\Windows prompt, type the following command, and then press ENTER:

ren c:windows\system32\drivers\isapnp.sys isapnp.old

4. At the C:\Windows prompt, type the following command, and then press ENTER:

expand cd-romdrive:\i386\isapnp.sy_ c:\windows\system32\drivers\isapnp.sys

For example, type:
expand d:\i386\isapnp.sy_ c:\windows\system32\drivers

5. After the file is successfully expanded, type exit, and then press ENTER to exit Recovery Console.

6. Restart the computer.

Murray
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#3
matt13

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says the system cannot find the file or directory specified
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#4
Murray S.

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says the system cannot find the file or directory specified


When does it say that and what did you do just before you got the message??

Murray
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#5
matt13

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i typed it in the recovery console at the c:prompt
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#6
Murray S.

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i typed it in the recovery console at the c:prompt


What did you type in there - exactly???

Murray
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#7
matt13

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ren c:\windows\system32\drivers\isapnp.sys isapnp.old
expand d:\i386\i386\isapnp.sy_c:\windows\system32\drivers
enter after each command
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#8
Murray S.

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Is d: your cd-rom drive letter??

Are you putting a space between the sy_ and c: ??

Murray
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#9
matt13

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yes the drive is d did not put the space in the first time when i did it said unable to create file isapnp
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#10
Murray S.

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You are using a plain old original WinXP install cd and not one of those Recovery/Restore cd's right??

Murray
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#11
matt13

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im using the reinstallation disk cd that cam ewith my computer
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#12
Murray S.

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That's what I figured.. What is the make and model of your system??

Murray
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#13
matt13

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dell dimension 4500
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#14
Murray S.

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It should find it as Dell disks are really just XP cd's with a little extra thrown in..

Have you checked with Dell about the error or their faq's ??

Murray
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#15
Bamm-Bamm

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I also encountered this problem in which I was unable to rename the isapnp.sys file on my C Drive. Then I couldn't replace it with a new file off my Windows XP installation CD either. I was finally able to fix the trouble by simply performing the following procedure:

At the C:\Windows prompt type the following command and press Enter

chkdsk /p /r

Note that there are spaces between chkdsk, /p, and /r. Allow this process to run through to completion. Once the program completes, type Exit to reboot Windows. If everything goes right, this may very well resolve your problem.
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