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Questions tagged [wifi]

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

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iPhone seems to be chaching password/credential

My IT department is suspecting that my iPhone is caching some password and/or some other credentials to our work network that causes account lock downs. I have deleted all work related apps. I have ...
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1answer
30 views

Keep WiFi alive when on battery and lid closed?

We're using a VPN to access certain parts of internal infrastructure from the office; the VPN uses 2FA, so saving credentials and bringing it up with the network when the machine wakes up is not an ...
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1answer
21 views

Wireless sync of iPhone to wired mac

Home network set up: Incoming line from the world goes to an Internet switch with local Wi-Fi. One of the switch lines runs to a second switch at the other end of the house. Most of our devices have ...
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9 views

iPhone disconnects and reconnects to wifi and I don't know why

My iPhone 6 has recently (past 2 days) started disconnecting and reconnecting to my wifi several times a minute randomly. Sometimes it does not even reconnect and I go into settings and it takes a ...
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14 views

Mojave Install Problem - no WiFi hdware installed

Twice I have tried to upgrade to Mojave. After the install the MacBook Pro is very slow and I get the message that no WiFi hardware installed. Anyone have this problem?
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16 views

WiFi connectivity problem on iPhone6s

I don't really know that is this forum is best for asking this question but if there is any other place to ask this question Please let me know. We have an issue at home where the iPhone not connect ...
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17 views

How to Send file and receive file from broadcast ip connected devices for this any script we have ?Using terminal? [closed]

We are trying to send and receive files using broadcast ip but the process is not working by using terminal. en0: flags=8863 mtu 1500 ether 4c:32:75:9a:82:47 inet6 fe80::8cc:cae9:d226:6abc%...
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1answer
20 views

Does a normal iTunes backup instead of the iCloud one save the wifi passwords?

In case I restore my phone or change for a brand new.
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3answers
417 views

Can AppleScript or any other script measure a Macbook's wifi signal strength?

At my home I have two separate routers due to poor signals when being in one location opposed to another. When I work on my Macbook from different locations I find it annoying when I have to switch ...
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3answers
17 views

Wi-Fi slow on iPhone, fast on computer or tablet

At our home, we pay for 20 Mbps Internet connection to operator. On computers and tablets we get full speed via Wi-Fi, while on iPhone 7 and iPhone XR we gat max 2.7 Mbps. We live in apartment with ...
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1answer
28 views

How is my 2nd Airport Extreme Connecting To My 1st Airport Extreme?

I have 2 5th Gen Airport Extreme's and a 4th Gen Time Capsule. The 1st is connected directly to the modem. It is set to emit 2.4GHz, and a 5GHz connection. I have an ethernet cable running from the ...
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1answer
34 views

airport -s -x returns truncated output

I am the author of wifi-wand, a Ruby command line utility that can be used as a simple way to manage the Mac's WiFi (https://github.com/keithrbennett/wifiwand) without having to learn all the ...
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Attaching a HDMI screen to my Macbook interferes with Network access

I have a Macbook Pro and an USB-C Adapter where I can attach a HDMI screen. Without a screen attached: on the iPad remote I press the Play button turns green Once I press the Stop button the Play ...
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1answer
234 views

MacOS Mojave 10.14.1 Captive Wi-Fi Problem

This is the same/similar to this one, but I'm running the final version of 10.14.1. I can make the problem go away if I remove the following files from /Library/Preferences/SystemConfiguration/: com....
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0answers
18 views

macOS Sierra: Wi-Fi won't turn on

A couple days ago I downgraded my MacBook Pro (early 2015) to macOS Sierra and all of a sudden my Wi-Fi won't turn on. I tested deleting the drivers and re-configuring it, nothing works.
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1answer
2k views

If my Mac is connected to ethernet and WiFi, which will it use?

As per title. I have ethernet issues at home and if I just turn WiFi on my MacMini, will this take over or will it default to ethernet unless I pull the cable out?
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107 views

why is wifi using a lot of RAM? [closed]

I recently updated to macOS Mojave, after update sometimes my wifi is using more than GB of RAM (seen in a process named "Wi-Fi" in "Activity Monitor.app"). Now I want to know why it is consuming so ...
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Mac wifi pop up not going away even when connected to the internet.

I tried connecting my Mac on high Sierra onto my wifi and got hit with the pop up saying wifi network cannot be joined and now I finally connected to the internet the pop up will not go away. Have ...
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0answers
17 views

LTE iPad needs to be connected to WiFi to choose data plan

I have an iPad with Apples eSIM. However, every time I want to choose a data plan, it: constantly tries to connect to the previous plan and fails. Every 5 seconds I am getting a message with "no ...
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0answers
78 views

Wi-Fi taking up lot of memory

Since the last major upgrade to macOS Mojave, I have the Wi-Fi process taking up a lot of memory and in an exponentially way. Time to time I need to force quit it in Activity Monitor because it takes ...
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0answers
62 views

iPhone shows Personal Hotspot icon as off but it still has users connected

The iphone 7 on our account turns hotspot off when out of range of wifi but still showing users connected. In fact the users are connected but hot spot icon is off. Huge amounts of Data used. My Wife ...
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39 views

Migration assistant does not find other MacBook in same Wifi

I'm trying to migrate everything from my 2011 MacBook Pro to my 2015 MacBook Pro. Both are running High Sierra. The Macs are both connected to the same Wifi, are connected to AC power and have all ...
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1answer
8 views

Brother MFC-J6720DW “not connected” to MacBook Pro

Yesterday I suddenly found that I could not print to my Brother MFC-J6720DW from my MacBook Pro (running Mac OS 10.12.6), nor could I use the scanning function. The other Mac on the Wi-Fi network ...
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0answers
30 views

Devices using mass amounts of wifi data

I got notified recently by my internet provider that we are utilizing significantly more data than in the past. Historically we have used 100gb per month, for the past two weeks, we are using 100gb ...
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1answer
101 views

Mojave - Some Apps Lose Internet Connectivity

Scenario I recently installed Mojave and I've noticed that after an undetermined amount of time that many apps complain of not having a connection to the internet eg Mac Mail and Spotify. Meanwhile ...
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Unable to Select Wifi Network MacBook Air Recovery Mode 2003f

I erased the hard drive on a MacBook Air and am booting in Internet Recovery Mode. The first time I booted in this mode I got a 2003f error which I understand is due to the network. When I reboot ...
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1answer
23 views

Monitor your Wi-Fi connection not found on High Sierra

Your Mac can monitor your Wi-Fi connection for intermittent issues, such as dropped connections. Well I know that and used it before, but can not find it on High Sierra. The output looked like this ...
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0answers
19 views

MacBookPro A1278 WiFi refuses to turn back on after working for 10 min after restart

I recently repaired this laptop from dead state (water damage) and it works fine now, except for the WiFi, which has intermittent problems. When I restart the Mac the WiFi works fine -- it connects ...
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0answers
11 views

How to force a client-side roam from one AP to another AP (same SSID) on Mac OS X High Sierra (10.13)?

Is there a way I can force a client-side roam from one AP to another AP on a Mac OS X High Sierra (10.13) workstation provided that both APs are within acceptable range? I just want to see if there's ...
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0answers
11 views

What is password recoverable in RADIUS server (related to upgrade to macOS 10.14)

I am thinking about migrating from maOS Server to a dedicated opensource RADIUS server. In their Service Migration Guide Apple states the following: "Converting to the open source version allows ...
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0answers
115 views

Macbook Pro Can't Open Site Beside Google, Youtube, Facebook

I have macbook pro, with MacOS High Sierra. The thing is, i can't connect to any websites beside those on the title, but only when i connected to a specific Wi-Fi in my office, and happened on all ...
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1answer
74 views

2011 Macbook Air connects to WiFi but can't get Internet

This 2011 MBA is updated to High Sierra. I have tried to connect to 5 different WiFi networks but in all cases, the MBA can connect to local network but no Internet. All 5 of these networks are ...
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1answer
66 views

Wi-Fi says connected, but my internet does not work until I turn it on and off

I just got my first macbook, an used early 2014 14-inch macbook air, with Mac OS Mojave. And everything works fine but when im connected to the wifi, after like about 20-30 minutes it just stops ...
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1answer
30 views

Do iOS 11/12 have special features making it easy to share Wi-Fi passwords between devices?

I’m having 2 issues with Wifi: Does iCloud Keychain sync Wifi network passwords, or just network names? Does iOS 11 or 12 have a new Wi-Fi sharing feature where a iOS device logged into a Wifi-...
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1answer
40 views

MacBook on takes long to establish WiFi connection

After upgrading my MacBook Pro 13" Early 2015 to Mojave, it takes about 20-30 seconds to establish a working connection to my home wifi. It connects quickly, gets its IP address via DHCP, and I can ...
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1answer
35 views

Wireless mouse stopped working with monitor USB port

Setup: * MacBook Pro 2017 * Mojave * DELL U2717D Display * Logitech unifying receiver and mouse m705 Mouse & receiver work have worked for a year. I upgraded to Mojave 2 weeks ago, and it has ...
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33 views

Can't AirPlay from Mac to Apple TV (ethernet)

The other questions on this subjects are 4-6 years old and have not helped to solve my problem playing my media from a Mac to an Apple TV. MBP Retina Early 2013 running OS 10.12.6 (Sierra, current) ...
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17 views

Controlling DEP enrolled computers from being unlinked

We lease computers for Schools and Organization. They are shipped through Apple Device Enrollment (DEP) and linked to our MDM server. We install client software which checks for their lease payment ...
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2answers
951 views

no wifi hardware installed on Mojave update

After Mojave install I get a "No WiFi hardware installed" when trying to connect the wife. Computer response is so slow it's almost useless. Same results on iMac 27" Retina Display Mid 2015 and Mac ...
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0answers
20 views

How can I turn off the internet for all the apps, except the one in use on my iPhone?

When turning on the Low Battery Mode, some apps stop working in background. But, somehow they are still using the internet and I receive notifications from specific apps (which I am sure they need ...
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0answers
39 views

Unstable ping to router on MacBook Pro 2018

I recently bought a MacBook Pro 2018, and I am experiencing an unstable connection. I mainly notice it when I am trying to play games, as spikes in latency is less notable within a browser, for ...
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63 views

Move Wifi passwords from one mac to another

A little bit of background here. I previously had High Sierra installed on my Macbook Air, but for some reason, at one point when I tried to boot up my mac, it showed a folder with a question mark ...
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1answer
31 views

“Client Authentication” certificate for iPhone for school Wi-Fi

My school Wi-Fi, which requires that I log in using my username and password, requires that I accept this certificate (which I think might be a trusted root certificate?) in order to connect: What ...
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1answer
83 views

How to get Tx-Power of wifi adapter in MacOS?

In linux there is a command called iwconfig which shows Tx-Power in its output. How to measure antenna power in MacOS? The airport utility in mac just shows the datarate and not the power in db. I ...
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1answer
52 views

WI-Fi Calling Notification keeps coming back

This notification keeps appearing on my Mac running Mac OS X 10.13.6 (17G65): I have: Clicked "Not Now" Clicked "Turn On" On my Mac: Turned off all notifications for FaceTime On my Mac: Logged out ...
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1answer
842 views

macOS Mojave - Get “Segmentation fault: 11” when trying to run airport

As the title suggests, when I run the command /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport en0 sniff 6 in Terminal where en0 is my Wi-Fi interface and 6 is ...
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1answer
28 views

Mac OS X - network interface preference defined by host domain

There are two network interfaces on my Macbook: an ethernet LAN and Wi-Fi, which are both DHCP-configured (albeit separately). I only need to access a limited number of hosts through my Ethernet ...
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1answer
28 views

If I log onto someone else’s WiFi on my computer, would they be able to see my personal files?

If I was at someone’s house and I log into WiFi using their email and password, could they see what is on my computer?
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29 views

Wi-Fi (symbol in menu bar) not visible/working anymore after GPU deactivation

I followed the guidelines given in this answer to deactivate the GPU. Everything works except Wi-Fi. It does not even appear Disk Utility if I want to reinstall macOS. The Wi-Fi symbol on the top ...