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Author Topic: Very stange TV / android / router issue  (Read 3485 times)

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Jimbob

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Very stange TV / android / router issue
« on: 08 November 2018, 16:45:27 »

A friend has a setup, oldish LG TV, android tv box for iplayer etc amongst other uses, and a humax freesat box.

NONE of these connected to router via wired or wireless, as soon as both boxes are connected to the TV via separate HDMI leads, then the plusnet router looses connection.

Swapped router out, better one just suffers packet loss without actually dropping the connection.
Tried router on different ring, different cables, microfilters.
Connected Android box via Ethernet cable, causes other devices (phones etc connected via wifi) to have packet loss.

All very strange, can only think this box has a strange fault, but cannot understand how it causes a router to drop connection when its not even linked to it!

Jimbob

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Re: Very stange TV / android / router issue
« Reply #1 on: 08 November 2018, 17:05:10 »

Should add that with either the android or humax connected. Everything works fine. It’s only when both have hdmi connections to tv made that the issues start.

Kevin Wood

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Re: Very stange TV / android / router issue
« Reply #2 on: 08 November 2018, 17:23:16 »

Sounds to me like the HDMI cables are radiating a lot of RFI and it's being picked up by poor internal phone cabling.

First thing I'd try is plugging the router straight into the master socket test connector and disconnecting the internal phone wiring. See if that improves the resilience of the broadband connection.
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Jimbob

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Re: Very stange TV / android / router issue
« Reply #3 on: 08 November 2018, 17:32:07 »

Ive passed that on, only saw one socket, with a decorative plate on.

Its a rented cottage build onto a farm house...apparently open reach messed up installing it and cut off next door!

TheBoy

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Re: Very stange TV / android / router issue
« Reply #4 on: 08 November 2018, 17:40:50 »

Also, check the devices in question (Android, router and TV) haven't been pwned. It might be they are flattening the router.

Additionally, if uPnP is enabled on router, disable that (which everyone should anyway)
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Kevin Wood

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Re: Very stange TV / android / router issue
« Reply #5 on: 08 November 2018, 19:37:13 »

Hmm. It's possible ethernet is being passed through the HDMI. Absolutely certain none of the devices are connected to the router, though?
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Re: Very stange TV / android / router issue
« Reply #6 on: 08 November 2018, 21:23:59 »

Assuming that the setup was working and only recently went awry for no apparent reason, then it might be a failed firmware download or failure to apply such update on the router. Disconnect all devices from the router and perform the hard reset procedure. As well as a factory reset that should also re-download and install any outstanding firmware updates.
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Re: Very stange TV / android / router issue
« Reply #7 on: 08 November 2018, 22:09:35 »

The 2 devices are both old. But have never been used together until now. Several routers have been tried as it’s the one thing I’ve plenty of spares of.

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Re: Very stange TV / android / router issue
« Reply #8 on: 09 November 2018, 13:20:18 »

Try disabling Wi-Fi on Android box. I presume the freeview box isn't internet connected? If it is trying disabling that wi-fi. Do one then the other and see if that helps.
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Re: Very stange TV / android / router issue
« Reply #9 on: 09 November 2018, 13:48:24 »

no network active at all on android box, still knocks the router off when both connected.

No NTE5 master, just a Line Jack master.  Have advised to remove ring wire.  After that I think we are into realms of upgrading a few cables to get some screened ones.

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Re: Very stange TV / android / router issue
« Reply #10 on: 09 November 2018, 13:52:10 »

*UPDATE*

Removing the ring wire from the master fixed it!

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Re: Very stange TV / android / router issue
« Reply #11 on: 09 November 2018, 16:07:13 »

*UPDATE*

Removing the ring wire from the master fixed it!

Result :y
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Re: Very stange TV / android / router issue
« Reply #12 on: 09 November 2018, 17:22:41 »

*UPDATE*

Removing the ring wire from the master fixed it!
That should have been disconnected back in the days when you had ADSL ;D
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Re: Very stange TV / android / router issue
« Reply #13 on: 09 November 2018, 17:23:14 »

So as Kevin Wood says, something is emitting nasty frequencies.
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Jimbob

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Re: Very stange TV / android / router issue
« Reply #14 on: 09 November 2018, 17:48:27 »

*UPDATE*

Removing the ring wire from the master fixed it!
That should have been disconnected back in the days when you had ADSL ;D

They’ve just moved to this cottage. And adsl is all it has!  Deepest darkest Wales!

I’ve removed that wire plenty of times on the off chance...never had such a definite fix with it before!
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