|"...this dell computer..."|
Go here for how to find the Service tag "number":
Tell us what it is.
If it's a password for a Windows user, the Windows Logon screen will show up no matter which mode you load Windows into.
However, if you load Windows into Safe mode, or Safe mode with networking (mode), the built in Administrator user has no password by default.
Try loading one of those two modes, choose the Administrator user, then just press Enter rather than trying to provide a password.
If that works you can make your own new user
Control Panel (- Classic view) - User Accounts - Create a new account.
"I do not have any CD's for this dell computer. I just want to use the OS (XP Pro), and erase everything else."
According to what I've seen, Dell computers, other than netbooks which have no optical drive, that originally had XP on them usually came with a Dell labelled XP Re-installation CD or similar, and a Dell labelled Drivers and Applications CD or similar.
In a smaller number of cases, they came with a larger Recovery partition on the original hard drive that has all the data on it that's necessary to re-load the original brand name software installation, including Windows - you follow a Recovery procedure to re-load that software..
(If you provide the Service Tag "number" for your model, I / we can probably tell you which situation applies to your model.)
(If the hard drive has no suitable larger Recovery partition) you can't install or re-install XP from scratch without having a suitable XP CD.
It has to be
- the XP Re-installation CD or similar that came with the same model, or an XP Re-installation CD or similar that was made by you or someone using a Dell supplied program that's already on the hard drive in your All Programs list to make Recovery disks, or an XP Re-installation CD or similar for your specific model in a Recovery disk set that you obtained from the Dell web site, or from another site on the web that has archived a Recovery disk set for your model
- OR - you can use a regular Microsoft OEM XP CD that is for the same version of XP as on the hard drive - Home, Pro, or Pro 64 bit - it has the Microsoft holograms on it, and "For distribution with a new PC only." printed on it.
.... along with the Product Key that is on the official Microsoft label that's on the outside of the computer,
Or - if you can get into Windows, along with the Product Key Windows is presently using. E.g. Search for the freeware program Keyfinder, download it, run it.
If you have any hard drive(s0 that is(are) larger than 137gb hard drive manufacturer's size, the XP CD must have SP1 or later Windows updates integrated into in, in order for Setup and Windows to be able to recognize the full size of the drive.
A brand name labelled XP Re-installation CD or similar that came with a different brand name computer model will usually REFUSE to install Windows on any computer that is not the same model, or not one of a small group of models made by the same brand name at about the same time.
Is(are) your hard drive(s) (a) SATA drive(s) ?
The Windows XP CDs have no built in support for SATA drive controllers.
If the motherboard's bios Setup has the SATA drive controllers in SATA or AHCI mode, the initial files loaded from the XP CD by default will NOT detect any SATA drive controllers and therefore will NOT detect any SATA drives.
If your bios Setup IS set so the SATA drive controllers are in SATA or AHCI mode. then the EASIEST way to fix the problem of the XP CD not detecting SATA drives is to change the setting in the bios so the SATA drive controllers are in an IDE compatible mode of some sort, then SATA drives WILL be detected by the XP CD, as IDE compatible drives.
After Setup has finished, you can load the drivers for your mboard including the drivers for the SATA drive controllers, and then change the setting in the bios so the SATA drive controllers are in SATA or AHCI mode, so the SATA drives can achieve their full burst max data transfer speed..
Whatever the setting is, it's presently set to SATA or AHCI, it's changeable, and it can be changed to an IDE compatible mode of some sort, save bios settings.