Have a new 1TB HDD want to install using win xp pro on old computer. When I went to install it the install went ok but it only shows HDD as 137 gig instead of 1 tb how can I reformat. I went through install process again but only when looing at partitioning it shows max 137 gig
Support for hard drives bigger than 137GB wasn't added to XP until Service Pack 1. You'll have to find an install disk that includes SP1 or later in order install into a partition that's larger than that size.