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Questions tagged [wifi]

Wireless local area networking, also known as "Wireless Internet"; stands for "WIreless FIdelity"

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AirPort Extreme (0x14E4, 0xD6)

I have 3 identical MBP Early 2011 with the same chipset in all. 2 of them have access to WiFi regardless of where they move to in my house, one only has WiFi in certain parts of the house. Have run ...
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How to hide or deny access to Wi-Fi access points in macOS High Sierra or Mojave [duplicate]

Backstory: I work in a building with hundreds of wireless networks. I want to hide these networks from my users and only allow them to access a specific network (SSID 1). They only have the ...
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Latency spikes on wifi - power saving measure?

I'm seeing intermittent latency spikes when on wifi, but only when pinging my MBP from another machine and not when pinging from the MBP to another machine. It seems to be causing stuttering with ...
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Switching the Wi-Fi network from terminal does not succeed (DHCP fails)

I am trying to switch Wi-Fi network via the command line: networksetup -setairportnetwork en0 corpnet01 networksetup -setairportnetwork en0 Home where "Office" and "Home" are DHCP enabled networks. ...
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Google DNS doesn't work

I have trouble using Google DNS under my 2017 MacBook Pro running macOS Mojave.. I want to point in advance that: I don't have access to the router settings. I'm using kind of host network that my ...
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Share a wifi connection via another wifi connection

Having just recently discovered how easy it is to share a wifi connection via Ethernet, I wondered whether I could plug in another wifi USB stick and get another "WLAN" entry on this screen (my ...
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1answer
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Mac network latency with NAS (not present with PC)

I am in a Creative Services workgroup connected to a WD MyCloudPR4100 that IT has setup to be our group's NAS. The issue is that occasionally the Macs in the group will lose their WiFi connection to ...
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Block Internet access to specific apps on specific Wi-Fi networks

My company just set my laptop up with Backblaze, and the backups are killing my crappy rural DSL connection when I bring the machine home. Are there utilities that can block specific applications from ...
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How do I troubleshoot WiFi networking issues with my iOS 12.2 iPhone 8? Can't load apple.com

How do I troubleshoot networking issues with my iPhone 8 plus with iOS 12.2? I can't even load web pages like apple.com or status.twitter.com. The progress bar is stuck at 10%. It seemed to work OK ...
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Cannot view captive WiFi portals on OSX

On both this, and an old MacBook Pro, I have had the same issue: whenever I connect to any public WiFi, the captive portal window appears blank, with an error message stating that the page could not ...
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Why is networksetup so slow compared to manually changing Wi-Fi networks?

if I run networksetup -setairportnetwork en0 myssid it takes between 10 and 15 seconds. If I manually click the Wi-Fi icon in the notification bar and select myssid, it's instant. Alternatively, I'...
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Disconnecting WiFi-problem on mac mini, other devices ok

When the wifi works it works 100% fine, even on this computer. The problem is that it occasionally just disconnects or is really really slow. If i just turn the wifi on and off it works again, but ...
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Unable to connect to a website on some WiFi networks?

I'm unable to connect to nytimes.com as of now with these WiFi networks in my college: secure, secure High-speed(5-GHz) and Eduroam recently (All are one time Sign-on and show lock icon in WiFi list). ...
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Disable Wi-Fi card on macOS Mojave

I have disabled the Wi-Fi by moving the IO80211Family.kext from /System/Library/Extensions with SIP disabled of course. However, this does not seem to work anymore. Before (on macOS High Sierra and ...
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Internet Sharing Over Ethernet

I am attempting to share the WiFi connection on my MacBook Air running Mojave over Ethernet. In other words, Computer #1 connects via Ethernet to Computer #2 and Computer #2 is doing Internet Sharing ...
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How can I extend Mac + keyboard + mouse to a PC through WiFi local network?

I have a windows laptop and a Mac that connect together to WiFi and that is connected to the Internet. I don't have wired (ethernet) network in home and i just have Wife at home. My goal is to extend ...
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How to disable certificate transparency check in macOS Mojave(10.14)

In macOS Mojave, certificate transparency check is enabled. Because the OS terminates all TLS connections that doesn’t use transparent certificates, macOS Mojave cannot connect to WPA2 Enterprise ...
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What's the difference between the three wireless antennas in MacBook Pros?

I’d like to know what each of the 3 antennas do. I know one is a shared antenna (Bluetooth and WIFI) and that the other two are WIFI antennas. What’s the difference? Why several WIFI antennas ...
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MacBook Pro won’t connect to the Internet

I have been using my MacBook Pro for about 5 years with zero problems (running OS X El Capitan 10.11.6). I was using my iPhone XR as a Wi-Fi hotspot (as I’ve done millions of times before) two days ...
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iOS 12: How to force Wi-Fi connecting to use active scanning for access points or boost detection range?

Most phones use passive scanning by default, where routers and access points advertise their names and they show up in the Wi-Fi connection menu. Think of this as a bunch of vendors at a venue wearing ...
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Mid 2015 Mbp wifi issue by location

I have a mid 2015 Macbook Pro. When at home, WiFi is as good as can be expected, approx 30-40mb down. I stay away from home at another house during the week and whilst all of my other devices ...
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iPhone & iTunes refuses to enable Sync Over Wi-Fi

I have an iPhone X that for reasons was backing up and syncing to two of my Macs at home. I wanted to stop using one of them as a destination, but this was the only computer that the iPhone recognised ...
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MacBook Pro won't connect to Wi-Fi, with correct password. Error: “The Wi-Fi network requires a WPA2 password”

I'm trying to connect to my home Wi-Fi. When I enter the correct password, I get the message "The Wi-Fi network requires a WPA2 password". I verified the password is correct in my router configuration....
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Strange mac address behavior with Virtual Box on MacBook Pro

MacBook Pro Retina; MacOS 10.14.2 running VBox 6.0.4. VM is Win7. VM net settings Bridged Adapter, en0: WiFi (AirPort), Intel PRO/1000 MT Server (82545EM), Promiscuous Allow All, ...
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“arp -a” output differs on computers attached to the same network

When I type arp -a I get all devices on the local network, right? My question is this: how come when I type this command on two separate machines, I get two different results? And when I ping the ...
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Google Chrome and nslookup: works. Safari and ping: do not work

So I'm on a hotel WiFi that has been working fine for several days. Suddenly, I'm not able to use many programs on the internet. Safari says "Can't find server". Ping says "Can't resolve: Unknown ...
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Mac Wi-Fi can automatically connect to my Samsung hotspot but not my iPhone [duplicate]

I have tested this with 2 iPhones, and one Samsung phone. Whenever I put close my Macbook (put it on sleep), and I open it again, I have to reconnect to my wi-fi. Initially the hotspot will not be ...
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Command-line for iPhone Wifi Sync

I have a Mac mini which is on sleep but set to wake for network access. This works very nicely with something like Carbon Copy Cloner as the machine indeed wakes when I sync another machine to the ...
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Why, when my MacBook goes to sleep, does the WiFi stop working, unless I restart?

Is anyone else seeing this issue? If my MacBook goes to sleep and wakes up the WiFi simply will not work without a restart. I'm on macOS High Sierra 10.13.6. I always test with the website cat.com ...
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1answer
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MacBook - WiFi won't connect in macOS but rebooting into Windows does?

I have a MacBook Pro 2017 running macOS 10.14.3. In my home I have a WiFi router which multiple devices connect to, including my MacBook. Recently for some reason my MacBook has been having trouble ...
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Using an Apple Magic Wireless Keyboard and Mouse with a PC

Can I use an wireless Apple magic keyboard and mouse with a PC using a USB bluetooth transceiver or receiver? and if yes, how do I do this?
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Wireless Diagnostics doesn't proceed

I'm using macOS High Sierra. I was trying to run a wireless Diagnostics. But when I clicked "continue", nothing happens. Does anyone know why?
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Tell iOS *which* WiFI BSSID to join when there are multiple

Imagine you're at a hotel with a poorly-designed wireless network, but you happen to have a network analyzer with you. You discover that they have tons of access points with the same name, but far-and-...
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At one particular coffee shop, mac only connects to google and nothing else

I have a 2015 Macbook Pro running High Sierra. At one particular coffee shop, my mac only connects to google, facebook and youtube and no other websites. I looked at a bunch of forums and based on ...
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1answer
144 views

iPhone turns off wifi when Lock Screen Active is a bug or a feature?

I'm using iPhone 7, iOS 12.1.4. Recently I notice that people can't call me via FaceTime me when I lock my iPhone, so it turns out the Wifi is only connected when the screen is on. I googled it a bit: ...
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Cannot connect to secure WI-FI since 3 days with a Macbook Pro (2014)

I have a weird issue. I cannot connect to secure connection with a Macbook Pro. It seems it connects, but then I dont receive any IP Adress. If I turn on a non-secure WiFi connection on my router, ...
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Macbook Pro running windows 10 — wifi connected, but no internet access

Alright, so I went through the steps to install the windows support software from bootcamp, which enabled me to even have any wifi settings at all, but then after repeated failed attempts to connect ...
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Filter out some WiFi networks from list of all available WiFi networks [duplicate]

Is it possible to filter out some WiFi networks from list of all available WiFi networks when I drop down the WiFi list from the menu bar in macOS? My condo complex has a lot of networks and it ...
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1answer
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Does Universal clipboard works on ethernet?

I have a mac mini 2018 connected to the same router/network, but using ethernet cable, and iOS device, connected to the same router/network, but using wifi. But i can't use universal clipboard to ...
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Extend Time Capsule Wi-fi network

I have a time capsule that I use as my Wi-fi router instead of my isp’s device. The Wi-fi reaches most of the house, except the area near the front door and my ring door bell. I have a tp-link ...
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iPhone to MacBook Communication without Bluetooth

I found that I didn't need to turn on the Bluetooth on iPhone before sharing the wifi password on the same wifi network. The manual is here https://softopia.tech/how-to-share-wifi-password-in-ios-11/ ...
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How can I kill/launch wifi from terminal

Linked to this Is there any way to literally kill wifi (wifi process/wifi related processes?) and then launch/relaunch it, all with terminal? maybe sudo killall WiFiAgent? macOS Sierra (10.12)
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Wi-Fi process using up to 16GB of memory

Sometimes when I switch Wi-Fi network or connect to a VPN via Global Protect the memory usage of /System/Library/CoreServices/WiFiAgent.app shoots up and my fans go mental. Why? This screenshot is ...
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1answer
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Automatically disable network activity for apps when on a Portable Hotspot

Very often, on my Mac, I'm connected with to the 4g Portable hotspot created on my iPhone. The mac recognises it as the portable hotspot, and can even turn it on (I understand this came with the ...
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How to understand macOS wireless diagnostics?

I run wireless diagnostics: to see which channels are best for my WiFi. In log I see: # --- Wireless Environment 2.4 GHz Networks : 4 5 GHz Networks : 3 Current ...
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My robust broadcom wifi card interferes with my graphic card

I have a robust AC1900 Dual band WiFi Card. Its signal is very strong and this causes interference with my AMD RX-650 card, although I had put the in as far slots as possible on mainboard. When using ...
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519 views

Mojave 10.4.3 WiFi problems

I updated to Mojave 10.14.3 last weekend at home. When I brought my MacBook Pro into the office Monday morning it showed it was connected to my office network, but there was no connection. I restarted ...
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Lynx Browser & HTTP Get Ignore Timeout Options

I'm working on my wifi-wand command line utility that manages wifi on the Mac (https://github.com/keithrbennett/wifiwand), and am trying to better understand how captive portals are managed in Mac OS. ...
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Why can't my laptop stay connected to WiFi when locked?

My laptop isn't staying connected to it's wireless connection when I lock it. I set up an alias using this post and tried to follow the instructions from this one, and those didn't work for me either. ...
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Why does my VPN client (Viscosity) disconnect when I lock my screen?

Usingthis information, I've set it so that the WiFi doesn't disconnect when I lock my mac. To lock the mac, I'm using this alias to lock my screen from the command line: alias lockscreen='/System/...