Pěkný den, zakoupil jsem tento produkt (i-tec USB-C 3.1 Dual 4K HDMI Video Adapter). Po připojení k notebooku a dvěma monitorům pomocí hdmi kabelů do monitorů neputuje žádný signál. Poradíte mi prosím v čem je problém ? Děkuji. R.Horký
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