miracast and android - Android Q&A, Help & Troubleshooting

so I recently bought a Blaupunkt 50" smart tv that also supports miracast and I've been trying to get it to mirror the screen of one of my android devices.
I have a LG L bello (D331) on android 4.4.2 that doesn't have the option to wirelesly connect
and I also have an F&U 9" tablet (ETB9544) running on android 4.2.2 and it does have the option of wireless display!
my tablet sees the tv as available to connect and it does but as soon as the image is projected on the tv,the image freezes.
the tablet continues working as usual but the tv keeps displaying the image the tablet had when it connected and after a while it just disconnects alltogether.
if I try again to connect them,the tv tells me to input a code on my tablet but no message pops up on my tablet in order to do so and the tablet just says "connecting" till it fails and stops.
if I restart the tablet,the same thing happens....first it connects with the screen frozen and then it doesn't connect at all.
none of my devices are rooted.
could anyone help with this miracast thing?
I'm so close it hurts!

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