Your A44 is a laptop, correct?
If so, I highly recommend you contact ASUS due to the following:
This message was posted on behalf of Intel Corporation
As Al mentioned, you should contact the Computer Manufacturer Support before replacing your wireless adapter.
Additionally, we would like to add that Intel® WiDi has been discontinued. It is no longer supported and Intel WiDi software downloads have been removed.
Product Discontinuation Notice for Intel® WiDi and Intel® Pro WiDi