my computer won't start - missing or corrupt the isapnp.sys file

original title: my computer does not start

my computer does not start.  It has windows xp.  stupidly, I cleaned the keyboard when the computer was done.  After that, he went and couldn't boot more.  response on monitor: "windows has not start because the following file is missing or corrupt: system32\DRIVERS\isapnp.sys.»  You can repair this file by starting windows configured using the original set of CD-ROMs".

What should I do?  I don't have the cd rom.  My documents have no back up.

If you have the CD, use you it as a reference: http://support.microsoft.com/kb/315311

How to get installed XP on your computer? What type/brand of computer do you have?

Tags: Windows

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    Also, not sure if this is related, but until this problem occurs the computer freezes a lot and I have to force it off the coast. Or he would break himself. I don't know what message it would but it would go to the black screen of death and mention something about an internal clock, then restart itself.

    I removed the Mcafee antivirus software a few weeks before and downloaded Microsoft virus softwear on the same day. Other then that I did not any changes to the computer recently. I use a Dell Studio xps 435MT with vista. I checked and all drivers are updated.

    Here are the steps I did the last time that I was able to get on this weeks trying to understand the problem: I have run the dell diagnostic test and it detected no problems. I also looked in the event viewer, but there's a lot of mistakes, so I don't know if it could cause a problem. Memory diagnostics have been run, and no problem found there. A comprehensive analysis was performed as well and it detected no viruses.

    Since then, I've replaced the power supply and now instead of light, flicking a second flashing repeatable, yet does not turn upward. Fan works again tho so it's good, I guess.  Power supply is compatible and right hook. Before purchase power supply also bought the new point of sale, so that obviously wasn't the problem etiher.

    Please help me I need this computer works again one I am on now is much older and slower.

    Hello

    I suggest you contact the manufacturer for further support as seems to be a hardware problem:

    Welcome to Dell support

    http://support.Dell.com/

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