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Lock him up!
11220 posts

Uber Geek

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# 259889 28-Oct-2019 21:52
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I am having a really perplexing issue with Chromecast. I do not have a dongle but I do have an Nvidia Shield with built-in  Chromecast. I cast to it from the Chrome browser on either of two laptops, one running Win 7, the other Win 10. I’m not sure of the laptop specs offhand, but both are more than capable of normal streaming. The Shield has a wired connection, the laptops are on a wi-fi link that serves only them. 


In addition to the Shield, I also have a MeCool combo device that receives DVB-T and satellite, and also has a Shield clone built in for Internet. This is also on a wired connection. The MeCool is not authorised by Google so does not actually work as a cast destination, but it shows up as a cast device on Chrome. 


Until recently, casting from either laptop to the Shield has worked perfectly. One time the Shield stopped being recognised but this was easily fixed by resetting the built-in Chromecast app. Since then it has worked fine until a couple days ago.


The other day I started getting random issues that don’t make any sense at all to me. Sometimes the Shield is recognised by one laptop or the other, sometimes only one, sometimes both. The Win 10 laptop seems to have the most trouble. For some reason, it seems to see the Shield more often if I also have the MeCool powered on.


When I am able to get either computer to cast, the audio is very choppy. This is a new problem. I haven’t had it before. It seems to be the same on both computers, though maybe worse on the Win 7 laptop. I’m not sure if the video is also affected. I only notice it on the audio. I have tried rebooting and powering down all devices. Also resetting the Shield app. Sometimes this seems to help Chrome find the Shield Chromecast device, but is doesn’t help the choppy audio. 


There is no problem with the wi-fi or the source. If I view on either laptop, the stream is smooth and the audio perfect. I only get the problem when casting to the Shield, about two metres away. 


I also tried casting the desktop instead of the tab. This also used to work fine. This time the audio quality was poor, as if echoing from the bottom of a barrel, but it wasn’t as choppy. 


Everything worked perfectly until it stopped working. I am not aware of anything I have changed. It worked, then it didn’t. The randomness of this is very frustrating. I don’t understand what is happening or why. Any suggestions or ideas would be very welcome. I did look on Google, but the information I could find was not very helpful. One ‘tip’: this just happens sometimes and if you wait long enough it may correct itself. I am hoping for something a little better than that.





I don't think there is ever a bad time to talk about how absurd war is, how old men make decisions and young people die. - George Clooney

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BDFL - Memuneh
65382 posts

Uber Geek

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  # 2344631 28-Oct-2019 23:24
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Are all these devices connected via ethernet? If WiFi is congested (a new neighbour? a new WiFi device on an existing neighbour?) then it could cause performance problems. Or if WiFi isolation is turned on, then the laptops can't see the Chromecast target. 


Do you have a new router or updated an existing router? Have you added anything? Tried using ethernet instead of WiFi?

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11220 posts

Uber Geek

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  # 2344637 29-Oct-2019 02:26
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That's the frustrating thing. Nothing at all has changed in my set-up. It seems completely random.


We live on a farm and the nearest neighbours are nearly a kilometer away through trees. No wi-fi interference of any kind. All devices except the two laptops are on Ethernet. The wi-fi the laptaps use is from a D-link in the same room, fed by ethernet. The range is only a couple of meters. This set-up has worked perfectly until just the other day. Nothing has been changed. Then suddenly both laptops could not detect the Shield. I reset the built-in Chromecast app on the Shield as I had previously done but it didn't make a difference. After rebooting both laptops, the Win 7 one saw the Shield but the Win 10 did not. I don't use the satellite/UHF receiver anymore but I turned it on to test the Chromecast since it normally gets detected. For some reason that caused the Win 10 computer to start detecting the Shield. I could cast, but the audio is choppy. The site I am trying to stream does not support casting so it is going through the computer but I am getting the same thing on both laptops and this has not been a problem before.


It just occurred to me that our router has indeed changed, in the sense that we switched from RBI to WISP a few months ago, but I'm fairly sure I have tried casting through the laptops since then and have not encountered this problem. Also the randomness that sometimes the Shield is detected, sometimes not, I don't know what could be causing that.







I don't think there is ever a bad time to talk about how absurd war is, how old men make decisions and young people die. - George Clooney


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  # 2344641 29-Oct-2019 06:32
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The devices that are wired, are they connected direct to the router, or to a switch which inturn also connects to the router.



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Master Geek

Vodafone NZ

  # 2344642 29-Oct-2019 06:41
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I noticed my Chromecast app updated last week on my Mi Box.


I wonder if the software update was the issue for you, especially given you were not experiencing any issues prior to last week?


It might explain it - if your apps update automatically?









743 posts

Ultimate Geek

  # 2344675 29-Oct-2019 08:27
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Have you fully powered down the Shield  - incl. pulling the power plug - not just turned it "off" with the remote?


Possibly a SW update or somethings gone to sh%te - might be worth a go if you haven't already.

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Uber Geek

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  # 2345683 29-Oct-2019 09:29
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I am also starting to suspect something Google has done because of the way things have changed, but I have updates turned off on the Shield for exactly this kind of reason. I'm not sure about Chrome browser on the laptops.


The wired devices do go through a LAN switch that is fed from the router. The switch feeds the MeCool and the Shield, as well as the wi-fi that serves the two laptops. I guess I will have to start going through the daisy chain and see if I can find a difference anywhere. I didn't used to mind doing this kind of thing when I was younger, but I really hate it now. Once something is working, it should just keep working. I haven't got the patience or energy for this crap.


I did fully power down the Shield while testing this. We also have all devices on a wall switch that is turned off every night.


Normally I now keep the MeCool turned off since we no longer use it, so the Shield and wi-fi are the only devices on that LAN connection. One thing I really don't get is that the MeCool appears to affect the ability of at least one laptop to detect the Chromecast device on the Shield. I have tested this several times and it seems to be more than coincidence, though I can't be 100% certain. I have no idea why this would be so.


Thanks all for the responses. I really appreciate it. I will post any updates and suggestions continue to be welcomed. 





I don't think there is ever a bad time to talk about how absurd war is, how old men make decisions and young people die. - George Clooney

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