Thanks for all the help, but I found on Microsofts website that I when the XP installation says to push F6 that with Pavilion 7840 you are supposed to push F5 instead and then select Standard PC. ...

OK I found the battery and now have it out. How long does it need to stay out?

I have never heard of it. Where do I find this battery?

I have not been able to find the correct bios. HP shows this 3.07 as what is needed for ME or XP, but it doesn't work and I haven't been able to find anything on the Cognac Motherboard (200731). I...

I have used Seagate disc wizard software in the past to get these drives to work. Do know if that can cause any of these problems?

Now I have a 3 gig hdd in as master with ME installed on it and the Seagate 80 gig as slave. When I try to run the XP install it still says same error: setup could not determine the size of 1 or...

I am searching for correct jumper settings for the Western digital will be right back

What I want is 80 gig as master so I set it for cable select and 30 gig set for slave and have set if for this. They both show this in bios, but when I go to install in XP I have 2 options:
1 I let...

Xlpho, Thanks for the quick response, but I don't know what you are suggesting. Should I try the 3 gig that works with ME or one of the others that don't work with anything?

I have an (ancient) HP Pavilion 7840 with a Cognac Motherboard (200731). Windows Xp was installed by someone after market and has never run properly. I found where HP shows the bios should be 3.07...