It's very unlikely that windows would be corrupted by linux if you did not overwrite any windows partitions.
if you had overwritten the windows partition windows would not boot at all. This is a windows problem almost 100% sure of that.
Why don't you give us some more information what sound card does that machine have for starters.
you say you've tried to reinstall the drivers what did you actually do?
if you do not know the sound card go to mint and in a terminal type the following and list the output here:
- Code: Select all
l being a lower case L not #1
Morse code an Early Digital Mode
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LinuxMint 17.1 Cinnamon/Mate