Turn on the machine so that there is power going to the CD tray, open it and put in the CD that you want to install from. Turn off the machine, and turn it on again. It will load the installation routine. If you are trying to access our BIOS and it is password protected, then you are going to have to flash your BIOS, meaning going to the website of the BIOS company, downloading anther version, and following their instructions as how to flash the BIOS.
Also, please use punctuation to make it easier for those of us who are trying to help to read what you are trying to say.
Hope this Helps.