missing or corrupt system32\DRIVERS\pci.sys?

June 3, 2011 at 04:24:32
Specs: Windows XP
Hi, I have the following problem as posted a while ago:

"When I turn on my PC it goes to a screen that says missing or corrupt

Is there any way I can get this file back on my hard drive so it will boot?"

I have followed the advice the reply to this question and put in my XP CD-Rom, typing F12 on booting to get to a set up screen and selecting 'boot from CD-ROM'. Files are copied across and then I select 'r' for repair and it sends me to a black screen with a command line. The first question is which windows installation I want to select.

What number do I put in?

I tried '1' and I get to a command line. I have tried inputting the drive letter of the CD-ROM drive, expand pci.sy...etc, but I either get 'bad command' or 'access denied'.

Any help would be hugely appreciated!

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June 3, 2011 at 05:40:17
There are two repair options.
Most people select the first one....and that's not the one you want.

Start over....do not select the first one but wait for the welcome screen...except the license agreement......select setup. It will look for a previous windows installation.

Once found it will then offer the second repair option.......this is the one you want.

Note: you will lose updates, but not programs or personal files.

A how to...step by step is at

The part you need is about 1/3 down the page.

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