FIRST OF ALL INSERT THE YOUR WINDOWS 7 DISK BEFORE INSTALLING WINDOWS 7, AND AFTER THAT RESTAR YOUR PC AND PRESS "F8" OR DELETE, "F2"
AND GO TO BIOS AND AND SELECT BOOT MENU AND FIST BOOT CD-ROM DEVICE AND FOR SAVE CLICK "F10"
AFTER THAT PC WILL RESTART AND ASKED FROM YOU, PRESS ANY KEY
AND GO TO BIOS AND AND SELECT BOOT MENU AND FIST BOOT CD-ROM DEVICE AND FOR SAVE CLICK "F10"
AFTER THAT PC WILL RESTART AND ASKED FROM YOU, PRESS ANY KEY
Hope you enjoyed this.