When I setup SQL Server 2005 this problem appear
Minimum Hardware Requirement (Warning) Messages Minimum Hardware Requirement
The current system does not meet the minimum hardware requirements for this SQL Server release. For detailed hardware and software requirements, see the readme file or SQL Server Books Online.
and I continued setup but I could not found SQL Server Management Studio tools in start menu
Your SQL is not completely installed, I suggest you to update all feature in your OS.
may be you installed Express edition? also Management Studio is free, you can download it from link text
As mentioned, you have missed installing SSMS. You can go through the install process again (you don't need to uninstall, just run it again), except this time make sure you put a check mark next to the Management tools when you do feature selections. I'd tell you exactly where it is but i only have a SQL2008 install on hand at the moment.