January 24 (Aust)
Would you please post the version of Mandriva that you are trying to install, and some information about the PC onto which you have installed it. In particular the amount of system memory (RAM); and the brand name and model number of your graphics adapter/graphics chipset, and amount of RAM installed on the graphics card.
That will provide a more detailed starting point.
After you login, try typing
startx (and press return)
This will attempt to start up the Xwindows desktop.
If it fails it will generate some error messages.
These error messages are written to a logfile.
Post any key error messages here for advice on the cause.
I am assuming that when you installed Mandriva that you specified the correct details for the Graphics adapter, and monitor that you have installed in the PC ?
If correctly configured during installation the Xwindows desktop should appear on the screen after you login.
There is another possibility. When you installed Mandriva did you skip the Xwindows configuration step ? Did you create the user account mike as a user account without graphic desktop support (ie. as a shell only account) ?
Wishing you the best of luck