![]() ![]() 1 (no reboots required, though all wifi passwords are forgotten), and voila. 1 version of the driver, from earlier in 2017.Īs the problem started in November 2017, after a driver update, the October driver version is, in fact, suspect. This brought me to this Dell driver download page, which has the 1.566.0. My desperation to resolve this issue, however, has grown. In one of the threads I had opened with Microsoft on this issue, they had suggested going back to earlier driver versions, but at that time, I did not see how or why. ![]() I looked at the driver, and it was 1.566.0.2, from October 2017. The wifi interface in this laptop is the Broadcom 1820A So, now that we have cooked it down, what do I do next to resolve properly? ![]() In all cases I am using the microsoft hdmi dongle as the miracast receiver.ġ) Other laptops can connect to these same miracast receivers with no problem.Ģ) My laptop has the exact same problems across three different miracast receivers.ģ) Before the updates, my laptop had no problems with any miracast receierĤ) Installing "Feature update to Windows 10, version 1709" did not help at all. Sometimes it does connect, and it works for some minutes, before the entire wifi connection drops, losing inet and miracast in process. My laptop sees the miracast display, and attempts to connect, but fails. I know I can uninstall updates until I find the culprit (per How uninstall Win 10 update? (it broke my miracast) ), but I am more curious: How can I diagnose/troubleshoot miracast? I depend on miracast, at home and work, and this has been pretty painful. My machine automatically installs all updates from Microsoft. It broke on v1703, and the v1709 update did not fix it. ![]() A Windows update a couple of weeks ago broke miracast on my laptop (Dell XPS13 9350 / i7-6560U / Iris 540). ![]()
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