vyskusaj iny LAN port na routeri pre pripojenie pc, vyskusaj iny kabel medzi routerom a pc, vyskusaj tam pripojit iny pc/notebook, ci to bude robit rovnake veci. ak iny pc/ntb na rovnakom kabli v rovnakom porte routera pojde dobre, mas problem so svojim pc - zabordeleny OS, vadna sietovka, alebo milion dalsich veci.
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