Questions tagged [wifi]

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

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1answer
1k views

How do I set a specific system setting using a script or a profile? System Preferences/Networks/WiFi/Require authorisation to turn wifi on/off

I'm hoping someone can help. I work for a college, I manage about 80 Macs and we've had a problem recently where students are turning WiFi on or off on the Macs that they're logging on to. This is bad ...
12
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6answers
101k views

MacBook is displaying the message “no hardware installed” when I click on wifi?

So I have a MacBook Pro 2009 running OS X El Capitan. Recently the wifi has stopped working. When I click on the WiFi icon it displays the message "No hardware installed", but Ethernet still works. ...
10
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2answers
4k views

Internet stops working frequently on OS X Lion

After upgrading to Lion, I started experiencing this issue: Internet stops working frequently. - I open Safari and browse for some time - Suddenly I can't open any sites; Internet will stop working....
10
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2answers
112k views

Can I use my iPhone as a hotspot on Wifi (instead of 3G/4G)?

I would like to use my jailbroken iPhone as a hotspot for my MacBook. It works well when my 3G internet is enabled. But when I disable it, the hotspot menu becomes unavailable... even if my iPhone is ...
6
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4answers
18k views

Connecting a MacBook Pro to a Windows ad hoc network

I'm trying to share my wired ethernet connection from my Windows 7 laptop with my MacBook Pro (running 10.6.5). I've just set it up to be an open network; no encryption. I'm pretty sure I set up the ...
5
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2answers
104k views

Another device is using your IP address mac, what do I change my IP address too?

Our internet router often stops working at home, but for the the second time only I have got a pop-up error saying: "another device is using your ip address". We have an iPhone and a Macbook but ...
5
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4answers
14k views

Can I force my iOS device to connect to 1 Wifi network over another

We have 2 wifi networks quite close to each other in our workplace, but I need to connect my iphone or ipad to 1 over the other out of preference. It's fine for myself as I can simply change wifi ...
4
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3answers
3k views

How to use Wake On Demand?

I want to setup wake-on-demand as described here so I can remote wake up my computer and ssh into it while I am oversea. My iMac did not have ethernet connection and I want to wake-up it using Wifi. ...
4
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3answers
4k views

How to completely block specific Wi-Fi SSID on macOS?

I'm looking for a way to totally blacklist a Wi-Fi network (by SSID) in macOS. And no, I promise you that I really (truly!) do not need to just have the computer "forget it" by removing it from the ...
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2answers
12k views

Can Macbook Pro handle 2.4GHz and 5GHz frequencies on the same wifi network without getting dropouts?

I'm connecting to an SFR 'La Box' optic fibre wifi router / modem in France (with 180Mbs down, 10Mbs up) - which has a feature I've not come across before on a wifi router: parallel 2.4GHz and 5GHz ...
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3answers
510 views

Mavericks - I need to be notified when a wifi network becomes available

My university's wifi connection goes up at random times. It's faster, so I would want to be notified when it becomes available so that I can surf faster and I don't have to pay for mobile data that I ...
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1answer
1k views

Macbook Air failing to reconnect to network after sleep

I have a Mid-2011 13" Macbook Air running OS X 10.9.2 (the latest version). When I wake my Mac from sleep, sometimes, the Wifi will fail to find my network. The network icon will display the ...
25
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1answer
787k views

What, precisely, does “reset network settings” do on an iPhone?

I use "internet sharing" on my Mac, but lately I've been having trouble connecting my iPhone 5 to the resulting WiFi network. I've read advice online to do Settings -> General -> Reset -> ...
11
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3answers
19k views

How to share internet with WPA/WPA2 security?

I'm using a macmini with Mac OS X Snow Leopard to share a cable internet connection. Sharing works fine except that security is limited to 40/128 bit WEP that is insecure (can be hacked in minutes). ...
9
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1answer
44k views

Can you share a Wi-Fi connection using Personal Hotspot?

I have an iPhone 4 with iOS 6.1.3. I turn on cellular data + 3G and Wi-Fi constantly. I was at a site office today and my iPhone automatically connected to the office's Wi-Fi. The tech guy was not ...
6
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1answer
117k views

I cannot connect to internet but my MacBook Pro detects the network and my HP computer works fine on the same network

My MacBook Pro, for some reason, detects the wireless connection and I can open my Skype account without any problem BUT I cannot go to a web page. This happens on both Safari and Firefox. My HP ...
5
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2answers
9k views

Myth need to be solved: will the battery drain faster in places with poor wifi signals?

Will an iPhone's battery drain faster in places with a poor wifi signal (or phone signal)? My bedroom is far from the wireless router, usually the signal is very weak and flickering, but I have to ...
5
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4answers
58k views

Wifi connection has password issue with my Macbook Pro

I have a 2010 Macbook Pro (running Snow Leopard) and I connect to my home internet thru Wifi (via Thompson router). The problem is, after I choose my Wifi from a list of Wifis and enter the password, ...
4
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2answers
14k views

Can you make iTunes forget a device?

After migrating from one computer to another, my iPhone now automatically appears under the devices list in iTunes on both my old and new Macs. I don't want to accidentally sync my iPhone with my old ...
3
votes
1answer
709 views

Mac doesn't connect to university Wi-Fi

I bought a MacBook recently. It connects to all other Wi-Fi and hotspot devices but it does not connect to my university Wi-Fi. I have also done diagnostics; still does not become connected.
3
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1answer
2k views

Strange “Devices” section in iOS Wi-Fi Settings

Has anyone ever seen this ‘Devices’ section in the Wi-Fi Settings page? It very strange, it's my first time I've seen this. Even more, when I tried to connect to this SSID, iOS pops up a dialog which ...
3
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4answers
16k views

Device is picking up the wrong IP Address from DHCP

I have an iPhone 6. It is the only device in the entire house that picks up the wrong IP address. Other iPhones, non-Apple devices, laptops, desktops, etc. are fine. But my phone is always assigned a ...
2
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1answer
13k views

Connected to wifi successfully, but no internet connection

I'm a relatively new macOS user. Let me try to describe the problem I'm facing as succinctly as possible Just this morning, when I'm unable to get any internet connection even though WiFi is ...
2
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1answer
3k views

Why Wi-Fi is getting turned-on automatically in iOS 11 [duplicate]

I am using iOS 11 in iPhone 5S but its wi-fi is getting turned-on automatically, is there any way to stop it.
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3answers
18k views

Recover forgotten WiFi password

I've previously connected to a WiFi network on my iPhone but I have no way of finding out the password. Is there any way to recover the password after resetting my device to view saved WiFi passwords ...
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2answers
17k views

AirPort Time Capsule wifi is suddenly very slow: Boom network load

Background I have a 5th generation AirPort Time Capsule, bought refurbished from Apple about 6 months ago. It is on software version 7.7.3 and has worked without issue until recently. Problem Two ...
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2answers
6k views

iPhone wifi connection log file?

I have an iPhone 5s with the latest version of iOS. The wireless (and bluetooth) card has stopped working (tested at the Genius Bar) just a couple weeks out of warranty. Apple wants $250+ to replace ...
0
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2answers
15k views

Sharing wifi from mac to iphone [duplicate]

I Googled how to do share my wifi connection from my Mac (new Macbook Pro) to my iPhone (5S) and I tried their way. System Preferences > Sharing > Internet Sharing but then i don't have the same ...
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6answers
42k views

Constantly dropping internet on El Capitan?

I have a brand new 2015 mac, el capitan 10.11.4. The wifi constantly drops. I have re-installed a fresh el capitan, reset SMC, created new wifi profile/location with google dns, safeboot, updated ...
15
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7answers
38k views

Change Mac OS X Wireless Card Country Code

I have problem connecting to a wireless router using Mac OS X which is on channel 13. This is because there is some other router nearby which is broadcasting the US country code. The only way around ...
16
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9answers
98k views

Wifi doesn't work unless I turn it off then on again

I have a MacBook Pro 15" with retina display that I use for work/personal stuff and I always shut down with Wifi having been on. When I startup my Mac the Wifi icon looks like it's searching and never ...
25
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11answers
122k views

Mac won’t display WiFi login box after upgrade to El Capitan

I don’t know if the upgrade to El Capitan is relevant or not, but lately I’ve noticed I can’t connect to the Internet via public WiFi hotspots with my MacBook Pro. I can connect to WiFi networks ...
20
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7answers
8k views

MacBook Pro experiencing ping spikes to local router

I'm experiencing extreme ping spikes to my AirPort Extreme (local IP: 192.168.1.1), however I am not getting these ping spikes on another MacBook Pro right next to it. Here are my ping results. ...
29
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5answers
177k views

Is there an application like Connectify for Mac OS X Lion?

There is a well known app for Windows named: Connectify, used to share a wifi connection between a computer that only has wifi with other devices which requests that connection from the computer. ...
18
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7answers
35k views

How to find the currently connected network service from the command line?

I would like to find out which of the available network services (e.g. Ethernet or Wi-Fi) is currently active. In this screenshot from the Network Preferences, you can see that Wi-Fi is currently ...
33
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6answers
48k views

IOS 10 warning: Using a hidden network can expose personally identifiable information

I am aware that 'hiding' a wifi network/SSID does not make the network MORE secure, but Apple's warning on IOS 10: Using a hidden network can expose personally identifiable information seems to ...
19
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5answers
40k views

How to get OSX to pick the strongest wifi signal with identical SSIDs?

I have a Netgear wireless router in one room, and a TP-Link powerline adaptor with wifi in another room. I'm using a 2014 MacBook Pro with Yosemite 10.10.1 Previously I had separate SSIDs for each of ...
11
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4answers
61k views

How to access the Wi-Fi password through Terminal?

I am at my school and the computer I am currently using is connected to a Wi-Fi network. I want to know the Wi-Fi password and I am on a Mac. I know there is a way to do it through Terminal. What I ...
5
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2answers
4k views

What are the numerous incoming connections I see on public wifi for?

In general I have incoming connections disabled by my security software (Little Snitch). But even when I do this, on public wifi, I see numerous incoming connections for netbios and mDNSResponder ...
12
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4answers
10k views

Can a Mac's airport card run 802.11 N, G, B or A only?

Occasionally it's nice to hard code a wired connection network port to not auto negotiate and force things to be 100 half duplex even though a higher speed is configured and negotiable on the switch. ...
22
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5answers
94k views

AirDrop: Bluetooth or Wi-Fi?

How does AirDrop work? I thought it is just Bluetooth, but I am starting to doubt that now. Whenever I turn AirDrop on, my Wi-Fi and Bluetooth are automatically turned on. If I turn the Wi-Fi off, ...
11
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9answers
68k views

How can I mirror my iPad display wirelessly?

I am looking to display my iPad screen wirelessly to an external display to demo applications. I found this video showing exactly what I want to do with an iPhone but no explanation as to what the ...
5
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3answers
3k views

Internet Sharing stuck on after 10.7.3 update

I use Internet Sharing at work to create a local WiFi network (sharing the GigE connection) for my various iOS and tablet devices to connect through. After the 10.7.3 update, I cannot turn sharing off ...
16
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3answers
200k views

Can an Airport Express be used to extend the Wi-Fi of another-non Apple Access Point?

My colleague has a cheap Cisco Access Point on another floor. He is using a Mac Pro and the the Wi-Fi is very spotty. Can an Airport Express be used to extend this network?
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7answers
55k views

How do I share a Wi-Fi connection via a Wi-Fi hotspot?

This question is an extension of this question. While my answer did answer the question, there was one part that wasn't answered: how do I share a Wi-Fi connection via a Wi-Fi hotspot?
11
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2answers
30k views

How to create a password protected ad-hoc network on Yosemite

I just tried to create an ad-hoc network on OS X Yosemite and noticed there are no password options. Are they hidden? If so, is there any way to enable them? Is Terminal an option? Is it possible to ...
11
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5answers
13k views

To let a Mac automatically use Wifi and Ethernet to double the connection speed?

I am staying at a hotel, and for some reason, I think they limit each Wifi connection to 95 kbyte / s. So that is roughly 1.2 Mbps... and since I have 18 Mbps at home, I am using a speed that is less ...
11
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3answers
21k views

How do I tell an iOS device there's no internet connection on the Wifi?

I've setup a WiFi network to allow iOS devices (such as my iPad) to connect to other devices on the local network, but I want to be able to use the 3G functionality on my iPad at the same time to ...
8
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2answers
3k views

How to decrypt shared WiFi passwords?

With the introduction of iOS 11 and macOS High Sierra, a new feature was added: Sharing WiFi Passwords. This awesome and convenient feature comes with one draw back: The passwords are stored in ...
7
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4answers
1k views

Sierra sudden shutdown and WiFi crashlogs

I have a very similar problem as outlined here. Several fresh installations of 10.12.3 as well as the beta did not fix the sudden restarts. I'm using a Mid 2014 MacBook Pro Retina with dedicated GPU. ...