Hello, after turning on my laptop that have win 7 something happened <after the win 7 logo and the moving 4 colours of the start up a blue screened error appears say "a problem has been detected and windows has been shut down to prevent damage to your computer and at the bottom of the message Technical information *** STOP: 0x0000007B (0x80786A50,0XC0000034,0X00000000,0X00000000)" > and i tried to install a new windows drive C doesn't appear and the other drive is not a NTFS so i couldnt install a new windows even turning on the existing windows to take my files and thank u for ur time please help