Try changing your access point to use 5 Ghz or a lower 2.4 GHz channel. This interference may be at its worst if you have a portable computer with the lid closed and an external monitor connected to it. > Certain external monitors and LCD displays: Certain displays may emit harmonic interference, especially in the 2.4GHz band between channels 11 and 14. I was about to order a new adapter when I ran across this Apple support article:
Wifi adapters for macbook pro update#
It was working great for the first week, and then after a minor update in Big Sur the network got EXTREMELY slow. Since I don't have direct HDMI output on my Mac, I suspected the non-Apple adapter. EXTREMELY SLOW WiFi speeds on Macbook Pro M1 (Big Sur) Ive had my new MacBook Pro for about 2 weeks. We have also tested the charging performance with the more power 96W unit from the current MacBook Pro 16.The initial. At first I thought it was the placement of my HDMI cable, but further testing revealed that it was independent of the cable position. Apple continues shipping the MacBook Air with the compact 30W power adapter. Curious, I ran "airport -I" (airport's not a built in, but I aliased it like so: /usr/sbin/airport -> /System/Library/PrivateFrameworks/amework/Versions/Current/Resources/airport) at the shell and observed that I saw a 10db signal strength drop when I plugged in my external monitor. I was getting set up in a new location for work when I realized that my wifi had died. 7Jun/12 0 DisplayPort to HDMI adapter breaks wifi on Macbook Pro 2010