Question about BenQ MP611C DLP Projector
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BENQ A53 AUDIO DEVICE/DRIVER INCOMPATIBILTY WITH WINDOWS 7
Please look at the following official BenQ Support and Driver Downloads website:
As you can see clearly, the manufacturer of your laptop intended and designed it for use with only Windows XP and Windows Vista, not Windows 7.
Windows 7 can be misleading because it contains a huge built-in database of various device drivers, which can easily make it seem as if it is compatible with computers that it is not actually designed for. If all the other devices on your notebook seem fine apart from the Sound Device, it would appear as if this is what has happened to you. The Driver CD you tried is unlikely to be compatible with Windows 7.
Any website claiming to have downloads available of Windows 7 Audio Drivers for your notebook, are almost certainly of the type (Bait and Switch) that attract you only for you to discover that no such driver exists on their download database. They do this to win business from their competitors. Their aim is that you will buy something else from them instead.
I seriously doubt that any Windows 7 driver exists for the Audio Chip in your notebook.
You are really faced with two choices.
If you want to use the notebook's own Audio Chip, then you will almost certainly have to install Windows Vista or Windows XP and forget about Windows 7.
If you are determined to continue using Windows 7 and you are certain that all other devices and their respective drivers are installed and functioning correctly except the Audio Device, then you can buy a small, very expensive External Sound Device for Notebooks, Laptops and Netbooks that you must pre-confirm with the supplier, befor purchase, to be guaranteed to be Windows 7 compatible. See here for some examples:
I hope this helps.
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