MacBook :: Turned On - Computers Lost WiFi Network Connection

Apr 12, 2010

For the past few months I've been using my mid-2007 MacBook (running Snow Leopard) with a Samsung external TV/monitor (with the MacBook's lid closed). I had no problems whatsoever in terms of internet connection to my D-Link DIR-655 router. Yesterday for the first time since creating this setup, I took the MacBook with me somewhere. When I returned the MacBook to my network (closed lid, plugged my monitor back in), I started having WiFi trouble. The WiFi was initially running very slowly and then not at all. The WiFi icon on the menu bar was showing regular strength, however.

The complicating factor here is that when my MacBook is on, all other computers on the network show getting WiFi signals but the connection isn't working for them either. When I turned off my MacBook and powered down/up the modem and router, other computers could connect successfully. (But when I turned my MacBook on, the computers lost connectivity to the internet. I've already played with the router's channels without success. I also made sure there weren't any unnecessary items in my Mac's DNS listing.

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MacBook Pro :: WiFi Connection Lost Every 5 Minutes

Jun 18, 2012

My Macbook Pro i7 lost wifi connection. I don't know why, but my connection is lost every time. I've other PC, tablets etc. (Windows, iPhone, iPad) and all is ok. Only Macbook Pro i7 have this problem.

MacBook Pro, Mac OS X (10.7.4), I both this Mac 2 weeks ago.

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MacBook Pro :: WiFi Connection Lost After Sleep Mode

Jun 26, 2010

Evey time it goes to sleep or I turn it off it forgets the fact that there is any wireless around. I have to look for the networks. Then if it wants to will find them and trying to connect to my own wireless network (apple extreme) is a challenge. I do have parallel desktop installed, could that be the problem?

Here is some info:
Model Name:MacBook Pro
Model Identifier:MacBookPro5,1
Processor Name:Intel Core 2 Duo
Processor Speed:2.4 GHz
Number Of Processors:1
Total Number Of Cores:2
L2 Cache:3 MB
Memory:4 GB
Bus Speed:1.07 GHz
System Version:Mac OS X 10.6.4 (10F569)
Kernel Version:Darwin 10.4.0
Boot Volume:Macintosh HD
Boot Mode:Normal

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Sep 7, 2009

I have to mac computers in different rooms. One is my wife's and one is mine. I have the computers connected through my airport extreme. I am looking for a way for us to communicate without signing in to the internet through ichat. If i could use ichat to communicate through just the network.

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Jun 28, 2012

At random times, my iMac just drops my wifi connection to my router. How I know? The wifi symbol the finder bar turns grey.

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MacBook Pro :: Failed To Load Resource - Network Connection Was Lost

Sep 10, 2014

I am uploading a 2 gb file into my application using chrome in my MacBook Pro, i keep getting an error (FAILED to load resource: net::ERR_CONNECTION_RESET) when the file is 100% uploaded and the file starts uploading from the beginning (1%... and so on). This issue is not happening when i am doing the file upload using chrome in my windows 7 machine. I Also noticed in the same MacBook if i upload through Safari i get the same error (failed to load resource the network connection was lost).

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OS X Yosemite :: (10.10.1) WiFi Connection Lost

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Why do I lose my WiFi connection with OS X Yosemite?

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Jun 22, 2014

In one location I my macbook pro will not connect to network vis wifi unless I click on the desired network.  My preference is set to automatically join, but it does not seem to be working.  It is wep pw protected by have provided the password.  That is not the problem.  As soon as I click on my connection it comes right on.  But it will not join automatically.

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MacBook Pro :: WiFi Internet Connection - Network Configuration Changed

Apr 2, 2012

I'm looking for a solution to my WiFi internet connection.I haven't used my MacBook Pro laptop in the last week or so - which means there is no way I have done any changes to the network configuration. However when I now try to connect to the internet via a Hub - which is previously set up on the macbook and worked no problem - is now not working at all.

MacBook Pro (13-inch Early 2011), Mac OS X (10.7.3)

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MacBook Pro :: Repeated WiFi Timeouts With Home Network Connection

Apr 18, 2012

All day, I am able to use the internet (via WiFi connection) at the library. But when I get home, I can't connect to my home WiFi connection. This was never an issue before. I have done all of the obvious things (resetting my router, clearing saved connections from my computer and joining a 'new' network, check and installed all updates, etc etc), but nothing seems to work. All the other devices in our house are connected to the WiFi just fine.

I run the diagnostic and I'm only green on WiFi and WiFi settings, with network settings and ISP fluctuating between yellow and red, and internet and server is always red. I have tried DHCP Lease renewel (which usually does the trick when I am getting an invalid IP address ( until I get a valid one ( But now sometimes I'm not even getting an IP at all!All I wanna do is unwind, check/reply to emails just surf the web to decompress after my long days.

(Running Lion 10.7.3; 2.66 GHz Intel Core 2 Duo; 4 GB ram (soon to be 8 )

MacBook Pro (15-inch Mid 2009), Mac OS X (10.7.2)

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ITunes :: Received A Message Stating Network Connection Lost

Apr 20, 2012

I keep seeing an error message that my connection was lost when trying to purchase anything on itunes

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IMac (Intel) :: Not Connecting To Wifi Network - Connection Timeout

Aug 25, 2014

I recently switched cable providers to Time Warner.  They set up a Ubee cable modem and all devices (IPhone, IPad, AppleTV, etc) are all connecting to the wireless network except my IMac.   I tried renewing my DHCP lease, updating to OS X Maverick but every time I try and connect I get an error message that says "Connection Time Out". 

iMac, OS X Mavericks (10.9.4)

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MacBook Pro :: Constantly Loss Connection To My Wifi Home Connection

May 18, 2012

I constantly loss connection to my wifi home connection, have to turn off an on the wifi on my macbook pro (10.7.4)

Info:MacBookPro, Mac OS X (10.7.4)

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MacBook Pro :: It Has Turned Into Microsoft Windows And Lost All Data?

Apr 14, 2012

My Macbookpro has turned into microsoft windows and lost all data, how do I recover it with my windows 7 still inside? I accidentally install directly

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MacBook Pro :: "Network Connection The Communication Device Selected For Your Connection Does Not Exist?

Mar 16, 2012

The internal modem in my PowerBook Pro (mid 2010) shows up as "not connected" in the Network pane of system preferences, but I can't figure out how to get it to connect. When I enter my phone number and click the connect button, I get an error message: "Network Connection The communication device selected for your connection does not exist. Verify your settings and try reconnecting." Say what? It says it exists in the System Preferences, shows it in the list on the left. How can it not exist? 

MacBook Pro, Mac OS X (10.6.7)

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MacBook Pro :: SSH Connection / Operation Timed Out - Both Computers Use A VPN

Aug 27, 2014

I am having trouble connecting to MacBookPro01 from MacBookPro02 via SSH. 

The details is as follow :

MacBookPro01 has remote login activated for all users, is connected to the internet via Wifi, and uses a VPN (AstrillVPN) constantly.

MacBookPro02 is connected to the internet via Wifi on the same network as MacBookPro01 and uses a VPN (AstrillVPN) constantly. 

From MacBookPro02, I enter "ssh computer name@XXX.XXX.X.XXX" in Terminal.

All I get is : "ssh: connect to host XXX.XXX.X.XXX port 22: Operation timed out".

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MacBook :: Won't Work With Wifi Network / Drops Wifi

Jan 10, 2011

MacBook. 2Ghz Intel Core Duo. OS Snow Leopard 10.6.6. I'm running a 2006 MacBook with Snow Leopard. A few months back it started dropping wifi connection. Airport would show no connection but would list my network along with others in my building. If I tried to connect with my WPA password it would just time out. At this time I was running Leopard.

Since then I've done a few things.Tried running the Netgear router with no encryption at all (same thing happens). Will lose connection and then time out trying to connect
I've tried the MacBook in a coffee shop with wifi access and at my parents (same NetGear router) and at my new apartment with a horrible Orange Livebox.
Taken the MacBook in to see the genius bar at Glasgow Apple store. Worked fine for them, but I explained it was intermittent but we could not force it to fail. I'm sure if it ran for an hour it would.
At present if I have the MacBook in the living room (where the Livebox router is situated) its fine and wont drop connection. If I walk some 5m to my bedroom it will work for approximately half and hour and then lose it. A few days ago I bought the Snow Leopard upgrade and installed it last night. MacBook runs a hell of a lot faster (yay!) but moving it away from the router and its dead as disco in half an hour.

So to clarify, the MacBook has been tested on 4 wifi networks/ locus with same issue. iPhone, Xbox 360 and PS3 all have no issues with dropping connection no matter where they are in the apartment.

Apartment is a new build and its walls are not made out of lead or kryptonite. Is this a hardware issue rather than software? When updating to Snow Leopard it was an update to the existing OS of Leopard not a clean install.

AIRPORT says the following in System Profiler.

Software Versions:
Menu Extra:6.2.1 (621.1)
configd plug-in:6.2.3 (623.2)
System Profiler:6.0 (600.9)
Network Preference:6.2.1 (621.1)
AirPort Utility:5.5.2 (552.11)

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Jun 26, 2012

I have a MacBook Pro runing 10.6.8. I have a small network in my house. I cannot see my windows computers with my MacBook Pro. The windows computers can see my MacBook Pro. What settings are needed for me to view the windows on my macBook Pro? Is there any thing I need to do to the windows computers?

Mac Book Pro, Mac OS X (10.6.8), Iphone and Ipod 4 with IOS 5

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MacBook :: Unable To Share Network Connection / Connected Via Ad-hoc Network?

Dec 31, 2010

I have Alltel Mobile Broadband. Up until the other day, it's been working fine. I'd set up a network on my macbook after connecting to the Alltel network, then I'd enable internet sharing. Then my iPod Touch, iPad, etc would all be able to go online.

The past couple days, however, the connection just won't share.Anyone have any idea what could be doing this and how to fix it?

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Hardware :: Switch Time Capsule To Wired Connection / Using Wifi Connection On Smartphone?

Feb 10, 2009

I have a Time Capsule wirelessly connected to my iMac. Since I've encountered some problems with backups because of intermittent wifi connection failures, I want to switch to a wired connection with an ethernet cable. I know I could fiddle with the wifi channels etc. but since the TC is just sitting next to my iMac anyway, I could profit from the higher bandwidth of a wired connection as well.Two questions:

1. What exactly do I have to do to make the switch? Are there any new settings I have to apply? Create a new network?

2. Will I still be able to use the wifi connection to get on the internet using my smartphone?

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Software :: Lost Password - OS X Cds Universal To Mac Computers?

Sep 15, 2010

I have a macbook pro that I just got recently so I'm still kind of new to it all, now unfortunately my brother thought it would be funny to change the password but now he can't remember what he changed it to >:/. So I can still use my computer but there are certain things that I'm not able to do without a password. I had read that I could reboot the whole system to its factory settings which I'm okay with because I saved all my stuff to an external hard drive. Now the problem is that I no longer have the os x cd that came along with it but my friend who owns an imac has his, so I was wondering if I could use that one. That is, are all mac os x cds universal to mac computers? I had also read about manually rebooting the system but there were too many people who claimed it had damaged their computers instead so I want to avoid that. What should I don now?

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Share Wifi Data Between IMac And Windows Based Computer On Wifi Network?

May 17, 2012

I have an unsecured wifi network at home and need to easily share photos between computers. I have an iMac and a couple window based computer.Is ther an easy way instead of using a thumb drive?

iMac (27-inch Mid 2010), Mac OS X (10.7.3)

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OS X V10.7 Lion :: Force System To Use Second Connection Of Network Connection List For Internet Access?

Jul 5, 2012

I have a MacPro Early 2009, 2 ethernet ports.Ethernet 1 is connected to the LAN and Ethernet 2 is connected directly to a SSL Matrix console (an audio mixer), whom driver needs the used ethernet port to be first of the list in the Network connections list in System Preferences.So when I browse internet I can't use the Matrix's software, and vice versa.I had to create 2 different network positions to browse internet and to work with SSL Matrix, one with Eth 1 first place, another one with Eth 2 first place, and I always have to swap positions.Is there a way to force OSX to use by default the 2nd connection of the list for internet access? 

MacPro 4,1 8-Core 2.26 GHz, Mac OS X (10.6.8), 12Gb Ram

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Mac Pro :: WiFi Causing Clicks And Pops When Turned On?

Dec 3, 2014

My MacPro 2013 will have pops and clicks when the WiFi is turned on. I have Edirol MA-20D speakers hooked to the MacPro using the digital in.  Turning off WiFi stops the sounds. 

Final Cut Pro X, OS X Yosemite (10.10.1)

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OS X :: Internet Connection Flickers When Xbox 360 Turned Off

Apr 11, 2010

I present to you today a baffling conundrum which has been vexing me for months. Around Christmas my sister got a huge raise and bonus, which resulted in a flurry of new technology rushing into the household. All at the same time we set up a new wireless router, (for our wireless modem) an Xbox 360 and SnowLeopard for my MacBook Pro.

I noticed that late at night, after the Xbox had been turned off, my internet connection started getting strange. without the system acknowledging anything had happened (all 5 bars in the airport symbol, my AIM client still claimed i was connected) i would suddenly be unable to load anything (in any browser) or send or receive any IMs.

I would turn my airport off and immediately on again, then the problem would be solved. then, exactly five minutes later, it would happen again. I've been able to connect this "funky-internet phenomenon" as I like to call it, to the Xbox being OFF. I am a walking detector for when the machine gets powered down. this only happens when Xbox is off, and the second it is turned back on, my internet stops doing this.

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Hardware :: Wireless Connection For Multiple Computers

Jun 7, 2010

I have the following items all currently connected through a fast ethernet connection and using NTT's Flets to connect to the internet.

G4 computer
Intel MacBook
Gateway laptop (Win)
Canon printer
2 IO Data external HD's
Canoscan scanner

I would like to continue using the Flets connection for the internet but would like to link the computers and the printer to a wireless network and eliminate the clutter of cables, hubs and routers.

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OS X :: Why Cannot I See The Computers On My Network

Mar 11, 2009

Im trying to get on the pc here on my home network I cant seem to find it and my pc cant find me??? I have my office set up that works fine, but at home no luck... I dont remember how I set my mac up to see the office pc's but i dont think it was this much of a pain

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MacBook Pro :: Lost WiFi Password After Software Update

Sep 19, 2010

This morning I performed a 'Software Update' on my Macbook Pro and 6 new items were updated. The Mac then asked me to restart so I did but when it came back on I logged in as normal but it won't connect to my wifi unless I type in the password. I've tried Utilities > keychain manager but all I get is 'Access to this item is restricted' (when I click on show password and login again). My ipad and iphone are still okay and can access the wifi fine.

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May 8, 2012

I have just made the dreaded change over to Lion and iCloud from Snow Leopard, every thing was working fine however I am not connecting to the mac mail server anymore, I am getting a message which reads along the lines of, Verify the settings for account or try again.The server returned the error: The server refused to allow a connection on port 143.

MacBook Pro

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Jan 28, 2006

When I open finder and click network, I don't see my respective other Mac. The iMac doesn't show the Powerbook there, and the Powerbook doesn't show the iMac. Both machines list my XP machine though. I can go to "go connect to server" under finder and enter computer name or IP address, and it does connect to the other Mac. However, why isn't it just showing up under network? Yes, I do have file sharing on.

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