Powerline Ethernet Slowdowns when PC is running
Powerline Ethernet Slowdowns when PC is running
My modem is in the living room downstairs, while my PC is upstairs. My space lacks Ethernet and coaxial ports, and running a cable isn’t feasible right now. I opted for powerline Ethernet to link my PC via Ethernet. Stability and speed matter most to me because I play competitive shooters. The good news is I have gigabit fiber internet arriving at home, which provides enough bandwidth for my needs (even 10+ upload and download). But the connection isn’t always reliable—speeds fluctuate due to electrical interference throughout the house, sometimes dropping to around 5 Mbps. This falls short of what I need for streaming at 6000 kbps or gaming. I’m using a Netgear Powerline 1200. The adapters display signal quality, and even when my PC isn’t on, the green light indicates a connection over 50 Mbps. When the PC powers up, the light turns red, signaling a drop to about 5 Mbps or less. This pattern continues regardless of the device I use. From what I understand, my PC generates electrical noise that disrupts the adapter’s performance. These adapters claim to filter out such interference, but connecting my PC through its plug still results in poor performance. I’ve tried using different power supplies (around 300 Watts) and confirmed no wiring issues exist. The problem seems to stem from the PC itself rather than the cabling. Is there a way to reduce this electrical noise impact? If possible, any advice would be appreciated.
Only one sure way exists. You really need a dedicated channel for sending signals. The simplest option is a straight Ethernet cable. You might consider a Wi-Fi extender or another wireless method, but they can be blocked by neighbors and their equipment interfering on the same channel. Don’t forget, sometimes the building’s structure or walls can disrupt the signal too. Welcome to the discussion!
I previously used powerline in another home but the issues I experienced led me to switch to Wi-Fi, which proved more stable and offered better performance. Even now, whenever I need devices inside the house, I rely on Wi-Fi. It’s beneficial to use a good adapter for the PC, and an antenna allows you to position it freely without being blocked by the device itself.
Additionally, I found that ARC fault breakers generate significant interference. They are commonly installed in areas such as bedrooms, where furniture might be pushed against outlets.
You're generally correct about certain gadgets that draw heavy current or create electrical interference affecting PowerLine AV networking. Trying to move adapters to different circuits might help, but some older homes have wiring that doesn't support stable connections. A "power filter" only reduces noise somewhat, not completely, so you may need to accept the issue or explore alternatives like running a cable (which can be tricky) or using a wireless bridge device that connects via WiFi to your modem/router and then provides wired Ethernet. If you have several devices in one room, a wireless bridge could work; otherwise, a dedicated PCIe card might be better.
Considering power line adapters is common, though they usually provide slower performance. Ethernet and MOCA (coaxial) adapters offer a solid alternative. I’ll explore mesh networking options—there are several to pick from, including ASUS’s support for mesh setups with their routers or specialized mesh systems. Keep in mind Wi-Fi can be unreliable, but speeds might be better overall.
I tried power-line some time back and it kept dropping connections randomly. I needed to switch sides of the house. I managed to get a 50m OM3 fiber cable, a few 10gb SFP (Cisco FET10G) modules, and a couple of Grandstream 2.5GB switches. I installed them in different windows, one on the roof. It wasn't built for outdoor use, but I checked it periodically and haven't replaced it in years. Since it's fiber, you don't have to worry about lightning damage, and it maintained good ping times. Power-line was unreliable.