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System32\DRIVERS\pci.sys missing or corrupt


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4elementsrule's Avatar
4elementsrule 4elementsrule is offline
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18-Jun-2011, 01:34 AM #1
System32\DRIVERS\pci.sys missing or corrupt
Hi everyone,
I got the following message: System32\DRIVERS\pci.sys missing or corrupt. It seems unlikely to me that the problem has anything to do with anything extra hardware I've installed since the only thing I ever use is an external HD which hasn't even been connected in months. In any case, I haven't any idea how to fix this. Safe mode, and every single other option that comes up after an "unexpected shutdown" doesn't work. It may load a few files but then stops and does the "System32\DRIVERS\pci.sys missing or corrupt."

I do have the CD's that came with it. I haven't done the complete system reinstallation because I have some files that I'd really prefer not to lose. Is there any hope?

Thank you for any help you can offer!

Sarah
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Join Date: Nov 2006
18-Jun-2011, 03:09 AM #2
Boot from your XP installation CD
when the Setup screen appears select the second option by pressing R to enter the Recovery Console
once you have selected your Windows installation and logged in (using a password if you have one set) type these commands in (pressing enter key after each line)

Type MAP to determine the drive letter assigned to the CD-ROM. in this example I have used the letter D, yours maybe different but MAP will tell you

Type expand D:\i386\pci.sy_ c:\Windows\System32\drivers /y

You should receive a message that says:
pci.sys
1 file(s) expanded.


Type exit
now reboot.



note: the above is off the top of my head, but Im pretty sure the command is correct
4elementsrule's Avatar
4elementsrule 4elementsrule is offline
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18-Jun-2011, 08:36 PM #3
Thank you soo much!

My friend had a go last night, and now when it turns on, it asks which OS I want. It shows me three versions, Microsoft Windows XP Home Edition, XP Home Edition 1, and XP Home Edition 2. That's not good having three is it?

Now it's got another problem:

System32\DRIVERS\isapnp.sys missing or corrupt

Do I do the same thing as you suggested but use the file name of this problem? And I have a bad feeling I'm going to have to do this for each drive file again.
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