After installing window 7 ultimate to my lap top dvd rome cant work properly

VICTOR_04

Honorable
Nov 14, 2012
2
0
10,510
Hello,
MY LAPTOP IS HP 620 USING BEFORE WINDOW SEVEN PROFESIONAL 64 BITES THEN I INSTALL WINDOW SEVEN ULTIMATE 32BITES SO FROM THEN DVD CANT READ NEED HELP