rv340

I update my pc from windows 11 22H2 to 23H2.every things was going well but after installing graphic driver , system has bug.the right click on desktop and Explorer don't work, I can only right click on Taskbar.explorer top bar don't show to me and it is gray.i can't change this card , I can...

I bought Cisco RV340 Router for my office to connect two WAN 1 has 300mbps connection another is 5mbps I am getting 300mbps speed when I connect directly from modem but through RV340 getting only under 90mbps speed. I have connected with 4 pair cable and port mode is on auto negotiation...