Upgraded from XP Home to XP Pro. When the computer
restarted the screen goes blank. How can I fix problem
or uninstall XP Pro and revert back to XP Home

Jerry, usually that is one of the simplest of upgrades. You may have to
format and start over. But first try a Repair Install.
http://www.michaelstevenstech.com/XPrepairinstall.htm
"Jerry" <(E-Mail Removed)> wrote in message
news:228401c389ae$6617daa0$(E-Mail Removed)...
> Upgraded from XP Home to XP Pro. When the computer
> restarted the screen goes blank. How can I fix problem
> or uninstall XP Pro and revert back to XP Home