asus x540sa

Forum discussion tagged with asus x540sa.
  1. K

    Question Problem with downgrading from Windows 10 to Windows 7

    Hello everyone, I was downgrading a laptop (Asus X540SA) from Windows 10 to Windows 7, but I ran into a problem with the installation. I plug the usb with the windows 7 iso file, but after that i get an error which is saying "A Required CD/DVD Drive Device Driver is Missing". I was thinking of...
  2. C

    Question Upgrade from Atheros AR9485WB-EG Wireless Adapter

    The ASUS X540SA-XX345T Notebook arrived with no 5.0 GHz WiFi capability. It has a Qualcomm Atheros AR9485 802.11bgn WiFi adapter that has a WiFi 2.4 GHz at up to 70Mbps max capability, when Notebook is placed next to my 2,000 Mbps WiFi Hub. I have installed a second WiFi antenna and now looking...