I have an Acer Apire L5100, when it boot to the HD it get to "Updating DMI Data Pool......Update Successful" the to freezes.I thought it was the HD so i replaced it and reinstalled windows and at the end of the windows 7 install is states that HD cant be found i hit continue, the welcome screen shows, then it goes to "shutting down" and then to the "Updating DMI Data Pool......Update Successful" and freezes.