Just installed a 2nd hard drive in a Compaq Presario running Windows XP Home Multi Media. It's an 80GB but now formatted it shows only 31.4 GB with no more space available. Any ideas on how to get the full capacity back?
I think you have reached the maximum capacity, which your IDE controllers recognize. I'm not sure what could the other reasons be but any Harddisks won't show size errors this way until and unless u reach the maximum capacity which in many cases is 120GB or you have formatted only that much section incorrectly using any other partioning manager as fdisk in linux.
Go to My Computer Icon and right click. select manage. Select Disk Management. In that checkout how much is shown for your disk drive.
The second disk has to be set to slave and the first hard disk (one windows is on) has to be set to master. Use tweezers or long nose pliers to move the plastic tab on the back of the drive so that it connects a different set of pins. The drive casing istelf should have a chart depicting master/slave jumper arrangements