Lenovo T400S Low Volume

Edit: The new Conexant driver 2015 is much improved.

The Lenovo laptops have miserably little volume. I installed the Dolby driver and it helped some. This problem could be a reason not to buy Lenovo which is an otherwise good choice.

Here is the driver (I am using Win7)
Or here
Uninstall Conexant first

SD Card Will Not Format

If you don't care about any data loss and only want to make the card usable:

Open up command prompt (start->run->cmd.exe) and type
chkdsk /X /F