Call your ISP, they can tell you if your modem is supported, and they will need to allow it to connect. It will be possible if they allow it.
this post was submitted on 14 Oct 2023
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How are you supposed to connect your computer to the modem/router if there's no RJ45 port?
I bought a secondary modem, so my signal flow goes kinda like:
ISP -> Modem/router combo (installed by my apartment) -> Coax cable -> secondary modem I purchased myself -> cat5 cable -> PC
Probably has WiFi only, especially if it's a landlord provided special deal with the ISP.
You can get a USB wifi adapter for your PC to connect it to the internet.
It's not an issue with the PC being unable to connect to Wi-Fi, it's that the Wi-Fi speeds are relatively slow and inconsistent. According to Ookla speed tests, there have been times where I get download speeds of 120 Mbps and up, times where I get less than 10, and times where I get between 10 and 25. I'm hoping by Ethernet connections that I'll be able to get more stable and maybe better speeds.
What's the model and brand of that modem/router? That might give clues as to what it is and what workarounds are available to you