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Hello Back in March I was asking a question on this forum about which Wireless PCIe card to purchase for my Shuttle SZ77R5. You may remember that this is a desktop machine with an Intel i7 3770 3.4Ghz Socket 1155 CPU which I bought to take advantage of the Intel Wireless Display (WiDi) technology. To update you, I got an Intel Centrino Ultimate-N 6300 (with 3 UF.L sockets) from amazon.co.uk along with 2x Internal 3G/4G WWAN / WLAN Wireless Antenna. This allowed me to connect the wires from one of the antenna to sockets 1 and 2, then I connected one of the wires from the other antenna to socket 3. The remaining wire I strapped up inside the case along with any excess wire so that there was no chance of anything shorting out whilst moving the shuttle around. Having tested the wireless I was pleased to find it picked up both the 2.4Ghz and 5Ghz signals from my dual –band router without any problem. The next step was to wait as the Netgear Push2TV3000 did not arrive in the UK until the end of June. Trying to get it to work was even harder and I soon ended up chatting to several Netgear operators over several hours. For reasons that I wont bore you with now, I ended up sending the PTV3000 back to the outlet I bought it from as I figured there must have been something wrong with it. Now the replacement has arrived and I still can’t quite get it to work properly. I have wiped the hard disk clean and re-installed Windows 7 Pro 64-Bit. I carefully installed the software in exactly the right order 1. Graphics 2. Wireless adaptor 3. Intel WiDi 4. WiDi Widget (optional). The WiDi software doesn’t generally have a problem finding the PTV3000, (unless it gets confused in which case I just remove the power for about 10 seconds.) When I click connect it then says that it is connecting and both the TV and the monitor flash a blank display as if it were successful but unfortunately the TV display just stays blank (black screen.) Other errors that I have experienced are “HDCP authentication failed” (on TV screen) which I thought I had resolved by buying a HDCP compliant HDMI cable, “RTSP closed by the source” (also on TV screen) – not sure what that means and "One or more of the required Intel ® WiDi audio devices has been disabled or removed. Intel ® WiDi cannot stream without these audio devices. Please enable these audio devices or reinstall Intel ® WiDi." (as shown on the PC monitor.) Has anybody had any success with solving WiDi problems – especially those with desktop machines? Any suggestions will be gratefully received!! Thanks for your time. Rich