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You will see the Driver Model at the bottom of the right hand column. When the DirectX Diagnostic ToolPage opens, select the Display Tab (or the next page button near the bottom of the window).In the Run dialogue box type: " dxdiag" and press the Enter Key.To check to ensure your graphics drivers are Miracast capable: If it is continue on to the next step once you have exited Power Shell by typing exit. If the results show that the NdisVersion is not 6.3 or greater, the system is not Miracast ready. The results that should display will have a line entry for each type of network adapter in the system (Wireless, Bluetooth and Ethernet) and each line with end with the NDIS version.You will see the following prompt: (PS C:UsersDell_000>) Type the next command: " Get-netadapter|select Name, ndisversion" Now at the C:> prompt type powershell and press the Enter Key to get into powershell mode.Right click on Start select RUN and type " CMD" in the run box to open a command prompt ( C:>).To check to see if your Network driver is Miracast capable.Once all drivers updated, continue to step 2 below: Go to Select your system, select window 8.1 as your operating system (OS), then Update all your Dell drivers to Windows 8.1 versions available.To see if your system is Miracast capable follow these steps: (Omit the quotation marks when typing the commands on command line or powershell.) Your WIFI driver must be Network Driver Interface Specification (NDIS) 6.3 or newer.You must have Windows Display Driver Model (WDDM) 1.3 Graphics drivers.Your Wi-Fi receiver must be Wi-Fi Certified.The Miracast receiver used must be Wi-Fi certified for the technology to work. Miracast enables wireless delivery of compressed standard or high-definition audio and video to or from desktops, tablets, mobile phones, and other devices. Miracast is a peer to peer wireless screencast standard formed by a Wi-Fi direct connection similar to Bluetooth or WiDi that Microsoft is supporting under Windows 8.1. This article contains information regarding Miracast and how to make it work in Windows 8