Questions tagged [wifi]

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

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72
votes
7answers
2.5m views

Is there any way to view saved wifi passwords on the iPhone?

I've previously connected to a wifi network on my iPhone but I've no way of finding out the password. So is there any way to view saved wifi passwords on the iPhone?
21
votes
12answers
20k views

Start/stop internet sharing from a script?

Is there a way to start/stop internet sharing from the command line or maybe an apple script? The thing is that I move around my laptop between home and work. At one place I get wireless internet (...
45
votes
8answers
109k views

Wifi Keeps Dropping Macbook Pro 13in Retina Early 2015

I've tried everything I can think of. Resetting the router, changing the channel number and band. The internet connection is fine, and then just hangs for a minute or 2, then returns to normal. ...
15
votes
11answers
270k views

Full Wi-fi/ethernet signal but no internet

I'm really hoping someone here can help me, as I'm getting pretty frustrated with my macbook now. I have a late 2011 model 15" macbook pro running OSX 10.9.5 that refuses to connect to Internet on my ...
19
votes
6answers
15k views

USB-C Dongles killing Wifi on 2016/2017 MacBooks – Who’s to blame?

I recently switched from my beloved MacBook Pro Retina (Late 2013) i5 2.6/16/512 to MacBook Pro (2017) Non-TB i5 2.3/16/512. I purchased what from the build-quality looked like a good USB-C-to-...
15
votes
3answers
11k views

How to hide or remove useless network names from the wifi menubar icon

I have obnoxious neighbors that think its funny to use offensive words for their SSIDs. I would like to remove those SSIDs from, at a minimum, the wifi menubar icon. If its easier, hiding/removing ...
65
votes
9answers
100k views

How to automatically login to captive portals on OS X?

How can I automatically login to captive portals on OS X? A captive portal is used by (often not password-protected) wireless networks that present a web page as soon as you connect to them, ...
19
votes
2answers
57k views

How to use WiFi and Ethernet at the same time

Brief Description: I need my Ethernet card (en0) to see all traffic under 192.168.2.xxx. However I also need to use WiFi card (en1) for all other traffic. OS: OS X Lion I am using a separate ...
4
votes
2answers
13k views

Can I disable wifi on boot? System not booting

That is, are there nvram boot-args to disable wifi or a startup key sequence that does? Safe mode is said to PARTIALLY disable Wi-Fi on some Macs. I googled and couldn't find an answer. Haven't ...
81
votes
9answers
89k views

Wi-Fi disconnects when I lock the mac

Everytime I lock my mac and log back in two minutes, It has disconnected the wi-fi network. Is there a setting to disable this? Model: Mac Book Pro - 15-inch, Mid 2010 I lock it by clicking 'Login ...
104
votes
4answers
126k views

How does the Mac choose which connection to use when both Wifi and Ethernet are connected?

When I'm connected to two networks with separate routers using Wifi and Ethernet, how does my Mac know what connection to use when I visit a website?
23
votes
3answers
35k views

MacOS 10.14 Mojave public beta public Wi-Fi problem

I can not connect to a single public Wi-Fi hotspot that does not require a password but instead shows a pop-up window pointed to captive.apple.com The pop-up opens blank with the error "The web page ...
17
votes
3answers
9k views

Can I connect to a specific access point by BSSID?

Is there any way to get Mac OS X to connect to a specific access point by BSSID? I have a network with the same SSID for multiple access points, and I would sometimes like to specify which specific ...
3
votes
12answers
32k views

No Wi-Fi on iPhone?

In my iPhone settings where I'm supposed to turn Wi-Fi on or off, it is just grey & says 'No Wi-Fi'. I have reset network settings, restored phone, re-synced everything, but still have this ...
31
votes
4answers
3k views

How does iOS and OS X detect when a Wi-Fi network is a personal hotspot?

When there is a Personal Hotspot network available, it displays a chain link icon instead of the usual lock icon in the list of available networks on iOS and OS X. My question is, how does OS X ...
20
votes
3answers
12k views

Run program if connected to specific wifi?

Is it possible to have a program starting automatically when I connect to a specific router, and having it stop when I disconnect from this router? Basically I want a program to run while I'm at work ...
8
votes
2answers
6k views

Redirect traffic using PF along with Internet Sharing

The short version: How do I redirect all traffic from en2 port 80/443 to 127.0.0.1:8080 when I have enabled Internet Sharing in OS X Mountain Lion (10.8)? Some background: I am doing a master ...
29
votes
2answers
99k views

Keep wi-fi connection while asleep?

Right now my MacBook Pro is set to go to sleep after 1 hour and then when I wake it back up, I have to wait for it to find/connect to Wi-Fi again. How can I maintain the Wi-Fi connection so when I ...
21
votes
5answers
305k views

How can I tell which band (2.4GHz or 5GHz) my iPhone's WiFi connection is on?

I have two access points for the same network in my house, with some overlap. One runs on 2.4GHz only, and one transmits both 2.4GHz and 5GHz. I have an iPhone 5 (running iOS 6.0.1), which supports ...
13
votes
3answers
637 views

What are the risks of connecting a MacBook to an insecure wireless network?

What privacy and security risks am I exposing myself to when I connect my MacBook to an open insecure wireless network? Are there any risks that are worse or better when compared to a Windows PC that'...
17
votes
5answers
8k views

How to change network connection order?

I have multiple network access in the same area. How can I reorder the priority to which the connections are made ?
8
votes
2answers
15k views

View passwords of all Wi-Fi networks my Mac has connected to in the past

I have connected my Mac to lots of public Wi-Fi networks. I want to know their passwords. What should be the terminal command to list all the Wi-Fi networks whom I connected with in the past with ...
5
votes
2answers
13k views

MacBook Air wifi NIC: supported channels

I've had a problem with my Wi-Fi connection to a TP-Link router from MacBook Air. It has been solved by manually changing Wi-Fi channel on the router from "Automatic" to an average value. What ...
13
votes
1answer
23k views

How to disable captive.apple.com?

I used a crummy AT&T (*coughAT&Tsymbollookslikedeathstarcough*) router to build a private LAN. It has no service/DSL connections, there for it detects no internet access (naturally) and will ...
12
votes
2answers
7k views

Using a wi-fi and an ethernet connection at the same time thus having more bandwidth?

Is there a way on OSX or with a 3rd party software to use both a Wi-fi and an ethernet connection, thus having the sum of the connection speeds? Or maybe making some applications connect to one ...
8
votes
10answers
14k views

How can I stream files to my iPad? [closed]

I have loads of videos and music on my computer, which I want to watch on my iPad. However, I want to stream it to it, so I can grab what I feel like watching rather than having to preload ...
4
votes
1answer
2k views

Create AirPort network from the command line?

Is it possible to put my AirPort in access point mode, so it creates an infrastructure (ie, non-ad-hoc) network from the command line on OS X? Similar to using System Preferences -> Sharing -> ...
41
votes
3answers
8k views

Has the WiFi KRACK vulnerability been patched for iOS?

There is a new vulnerability in WPA2 called KRACK (short for Key Reinstallation Attack), as described in The Guardian article: 'All WiFi networks' are vulnerable to hacking, security expert ...
4
votes
2answers
19k views

Why can't I choose to set up Internet Sharing to computers using AirPort?

I'm using OSX 10.9. I'm trying to set up Internet Sharing to connect my Android to my Mac directly over Wi-Fi. Every tutorial I've come across (including the one published by Apple) mentions checking ...
4
votes
3answers
519 views

El Capitan froze and rebooted (Macbook Pro Retina Mid 2012)

2.3 Ghz Intel Core i7 8GB DDR3: Was running NetAdmin Pro which is monitoring my office LAN, processors consumption was at ~15 - 20%. Simultaneously I ran WiFI Explorer, 3.7% no more than 5% CPU ...
2
votes
1answer
763 views

Why is my Wi-Fi Process eating >2GB memory

Why is the Wi-Fi process taking so much memory? EDIT: Apologies, I should have clarified my question. I'm a web developer that spends most of his time developing apps locally. Not interacting with ...
2
votes
1answer
76 views

Amazon FireTV without WiFi, MacBook Pro Internet sharing

I've been struggling for a while on this, strange set of circumstances. I have a Amazon FireTV box that I cannot connect as university wireless does not support it. I'm looking for a way to set up ...
1
vote
1answer
277 views

Why is my Wi-Fi process using 3GB of memory?

I was shocked to just find that the Wi-Fi process on my brand new macbook pro is sucking up 3.4 GB of memory. Why is that and how do I reclaim it? I reviewed a few other questions here about this but ...
39
votes
5answers
37k views

Bluetooth and WiFi interfering with one another since Yosemite

Note: The only thing that changed in my setup is installing Yosemite. Since installing Yosemite, I'm having a somewhat peculiar problem: WiFi works fine, and BT works fine. But WiFi + BT working ...
25
votes
7answers
39k views

How to enable faster WiFi Roaming with Mac OS X & Airport base stations

How can I change the way Macbooks roam on the WiFi network? I would like to speedup the roaming of Macs (and maybe other devices). Is there a setting on the Airport base stations or in Mac OS to ...
29
votes
8answers
91k views

How can I stop my MacBook Pro from automatically sleeping when I lock the screen?

Whenever I lock my screen (via either the lock icon -> Lock screen or by using the Control+shift+eject key combination), my screen immediately turns off (not showing the screen saver), and the system ...
16
votes
15answers
52k views

Wi-Fi connection randomly disconnects on 2012 MacBook Air

My 2012 MacBook Air has problems with Wi-Fi – random disconnections, every few minutes. The problems occurred with Lion, and persist after an upgrade to Mountain Lion. It seems the Wi-Fi drops ...
27
votes
4answers
118k views

Why won't my MacBook Pro connect to Wi-Fi networks that use a sign-in page (captive portal)?

Some wi-fi networks require viewing and agreeing to terms before Internet access is allowed. When my MBP connects to such a network, it attempts to redirect and isn't able to connect. I tried all ...
23
votes
7answers
107k views

How do I troubleshoot my Wi-Fi connection when an exclamation mark appears?

Sometimes, when I am in a public Wi-Fi an exclamation mark appears in the greyed out Wi-Fi icon. I can connect to the Wi-Fi (I get assigned an IP address), but I cannot establish an internet ...
13
votes
5answers
256k views

Share iPhone WIFI with computer over USB?

Due to a water leakage, we had to move offices temporarily. In our temp offices, we have WIFI network, but not cabled network (yet). Since my computer doesn't have WIFI (it's a stationary desktop) I ...
15
votes
7answers
64k views

How to disable automatic wifi connection?

When OSX already knows an wifi network it auto connects to it, but when it doesn't know the wifi network it will auto connect depending of the setting of the "ask to join" toggle setting in system ...
12
votes
3answers
6k views

Why do my Macbook Pro's WiFi speeds drop significantly when paired with Bluetooth devices?

NOTE: This question is NOT a duplicate of Bluetooth and Wifi interfering with one another since Yosemite. That answer pertains to 1) The 2.4 GHz band only and 2) Yosemite only. Background: Though ...
11
votes
4answers
42k views

Cannot join wifi network - “please move closer”

I have a macbook pro running osx. It is identical to many others in my office. I am the only one who cannot connect to the office wifi network. I can connect to other networks just fine, but when I ...
14
votes
1answer
37k views

Prevent my Mac from connecting to an unsecure Wi-Fi network?

How can I prevent my Macbook from connecting to non-secure wireless networks? I've ticked the "Ask to join new networks" option and removed the offending network from the Preferred Networks list in ...
11
votes
9answers
206k views

Wifi Won't Connect; Connection Timeout (Mac)

I'm having issues with my macbook pro OS X 10.7.5. It used to connect to the wifi router (D-Link N300, DIR=615) no problems. But for the past several weeks, I haven't been able to at all. What pops ...
9
votes
2answers
7k views

MacBook Pro Encountering High Latency

I'm encountering latency trouble with my 15" 2011 Macbook Pro (running 10.6.7) when on an 802.11n (5GHz) wireless network hosted by a Time Capsule (version 7.5.2). When I ping the Time Capsule, the ...
6
votes
6answers
10k views

My MacBook Pro loses its connection to my WiFi router

I've set up a brand-new internet connection with a Wireless Router. The thing is that : It works all the time for my iMac It stops working at times on my MacBook Pro (either when connected via wifi, ...
23
votes
14answers
112k views

How can I set the priority of Wi-Fi networks on my iOS device?

I have two Wi-Fi networks in my house, one at one end of the house and one at the other. While signals crossing from one side of the house are usually audible on the other side, they are generally ...
9
votes
1answer
65k views

How can I use a TP-LINK WiFi USB interface in OS X Lion?

I happen to have a TP-LINK TL-WN821N (it's a WiFi USB stick) around. Is there any chance to get that working on a Mac mini running OS X Lion? There are no official drivers but it seems there are some ...
7
votes
3answers
2k views

how to make different apps use wifi vs ethernet?

I'd like to route some apps through WiFi and other apps through ethernet. Given that OSX has a wide array of system tools and utilities as well as a rich ecosphere of apps, how can I make that happen?...