Inspiron 5150 startup errors

Question

When I try to start up my computer, a screen appears asking if I want to start in Safe Mode or start Windows normally. No matter what option I select, I get this:   Windows could not start because the following file is missing or corrupt: System32\DRIVERS\isapnp.sys   You can attempt to repair this file by starting Windows Setup using the original Setup CD-ROM. Select 'r' at the first screen to start repair.   When I try to run Windows Setup, I run into more problems. Setup begins loading files, and I receive more errors:   File setupdd.sys could not be loaded. The error code is 4   Setup cannot continue. Press any key to exit.   I am running (or at least trying to) Windows XP Professional. Any help would be great!

dunedin · Answer

Hi,

Check your RAM is seated properly.
If you have more than one stick of RAM (256MB or more) take one out and try again. If it does not help or makes things worse swap the sticks and try again. This will identify if you have a bad stick.

OR
You can put either of these free programs on a floppy and test the RAM

memtest86
http://www.memtest86.com/

Windows Memory Diagnostic
http://oca.microsoft.com/en/windiag.asp

Windows General

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