Macbook Pro WiFi connectivity issues

Hi there - planning on contacting Apple directly tomorrow but thought I'd put this question to the community before I run up my phone bill!
For the past few days I've seen my WiFi connectivity go severely downhill, I've had my new Macbook Pro 2012 (non-retina) for a little less than a week, and I haven't had a problem with my internet since a few days ago.
This is DEFINITELY an issue with my computer. I have other computers and an iPhone which work perfectly well with the same network - in fact, my girlfriend was next to me running on her laptop for 20 minutes whilst I sat there pulling my hair out to the messages of "You are not connected to the Internet" and "Network timeout".
The computer was originally installed with OS X Lion, but I updated to Mountain Lion after 2-3 days. (Perhaps it's a problem with this? Is this an ongoing thing with the range or the OS?). I have tried reinstalling the OS X, a frustrating ordeal as I actually needed an internet connection to do this! This, however, doesn't seem to have done too much...
I've tried deleting all information about my network (in the advanced wifi tab, and in Keychain), and also tried entering the wrong password in when manually adding the network, I'd heard that works yet clearly not!...
I feel like I'm using a mobile phone with bad signal when I have to hold the pc in the air as if i'm looking for that "sweet spot" (strangely enough this usually works for a minute)
Any ideas? I feel like I've exhausted all means, I'm at the end of my tether!

I have been having the same problem. When my MacBook Pro running 10.9.1 (Mavericks) wakes up from sleep, whether from shutting the lid or inactivity, the Wi-Fi seaches for a network, but won't reconnect to my known home Wi-Fi network. When I try to select my network from the menu at the top-right of the screen, I get an error message after about 10 seconds saying that the network is unavailable. If I turn off Wi-Fi and turn it back on twice, I can then reconnect to my home Wi-Fi network. This is a very annoying problem. Please fix it in 10.9.2.

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Macbook Pro WiFi connectivity issues since updating to Mavericks

I upgraded to the Mavericks OSX 10.9.1 and started seeing WiFi issues. The issues seem to happen when I have to wake up the system after closing the lid. I have an Airport Extreme router

I have been having the same problem. When my MacBook Pro running 10.9.1 (Mavericks) wakes up from sleep, whether from shutting the lid or inactivity, the Wi-Fi seaches for a network, but won't reconnect to my known home Wi-Fi network. When I try to select my network from the menu at the top-right of the screen, I get an error message after about 10 seconds saying that the network is unavailable. If I turn off Wi-Fi and turn it back on twice, I can then reconnect to my home Wi-Fi network. This is a very annoying problem. Please fix it in 10.9.2.

New Macbook Pro Wifi connection issues

I just bought a new Macbook Pro. When I try to connect to my wireless router I get a "Connection Timed out" message. It won't connect. In order to connect I have to go to Network Preferences and Select "Diagnostic". After following the steps I can type in my password. It says the password is "invalid" though I know it is correct and then it connects anyway.! I must go through this process everytime to log on. Very annoying. Any solutions?

After taking it in to the tech department, I gave up on them and opened it myself. Re-seated the connection from the Superdrive to the main board, and it works fine.

Late 2013 15" Retina Macbook Pro - wifi connection timeout with one router

Hi,
I've recently purchased a new Macbook Pro retina 15 inch late 2013 model. Everything is fine at home, but at work I cannot connect to one wireless router (Netgear WAG102). The computer tries to connect but I get a connection timeout error after a few seconds for every attempt.
I have tried every suggestion for wifi issues that I can find on the forums, and have reset the router.
A colleague has also recently purchased the same computer except 13 inch model - he has exactly the same problem.
Any suggestions? I suspect given that two of us have the same problem that there is an incompatibility with the MBP and this particular router. I notice that there are quite a few discussions about similar issues with the macbook pro.

I too have a MBP Retina, 15", late 2013, and am having wifi connection issues. I've tried several fixes suggested on these discussions and by Apple. Nothing corrects the problem. I've been told it's my router, but I find that difficult to believe give that my wife has a MBP 13" 2012 (non retina), that has no issues at all, nor do our iPhones. It's just my MBP Retina.
My issue seems to be when waking from sleep, I lose the wifi connection. I have to turn wifi of then on again, and it reconnects. The only thing that corrects the problem for me is when I disable bluetooth. I have the magic mouse and it's basically useless becuase I need bluetooth on for it to work.
I find this to be an annoying problem. This is my first MacBook, and I really like it, but this wifi thing is bad. Never had this problem with my Windows machines.

Macbook Pro WIFI connection slow and intermittent

I recently moved to a new apartment and had Time Warner install our internet/Wifi. My Macbook Pro will connect to the Wifi and work fine for about 30-60 seconds and then become extremely slow, even to the point of no connection most times. I have tried using both the new router and the old router that worked just fine at our old apartment but both behave the same way. I have reset the routers multiple times but that does not fix the situation and I do not believe the router is the problem since my two roommates (one of which uses a Macbook Pro) have no connection problem. My iPhone connects perfectly fine as well. When I am on other Wifi addresses, my Macbook works just fine. Also, my Macbook is only one month old. I called Apple to try and solve the problem and they believe it is an interference problem however the connection remains the same no matter how close or far from the router I am and all other devices don't seem to have interference problems. Any help is very much appreciated!
Eric

Might be corrupted network preferences ..
Type or copy paste the following:
/Library/Preferences/SystemConfiguration
Click Go then move all the files in the SystemConfiguration folder to the Trash.
See if that makes a difference.
Your Mac will generate a new SystemConfiguration folder for you.
If that doesn't help, try Wi-Fi diagnostics here > Wi-Fi: How to troubleshoot Wi-Fi connectivity

HP Slate 21 Pro: WiFi connection issues

Hi,
I recently ordered two HP Slate 21 Pro devices. Unfortunately, both of them have WiFi connection issues. After some time the properly configured WiFi connection will be dropped, which results in connectionless devices. The WiFi AP is disabled after this, and so a timed reconnect will not succeed.
After inspecting the Logcat I found following lines:
12-05 08:56:58.939 V/EthernetStateTracker(675): report interface is up for eth0
12-05 08:56:58.939 I/EthernetStateTracker(675): interface up event, kick off connection request
12-05 08:56:58.939 I/EthernetStateTracker(675): interface up but ethernet is disabled, stop this interface
12-05 08:56:58.939 I/EthernetStateTracker(675): stop dhcp and interface
12-05 08:56:58.947 V/EthernetStateTracker(675): report interface is up for eth0
12-05 08:56:58.948 I/EthernetStateTracker(675): interface up event, kick off connection request
12-05 08:56:58.948 I/EthernetStateTracker(675): interface up but ethernet is disabled, stop this interface
12-05 08:56:58.954 I/EthernetStateTracker(675): report new state DISCONNECTED on dev eth0
12-05 08:56:58.954 V/EthernetStateTracker(675): update network state tracker
12-05 08:56:58.954 V/EthernetStateTracker(675): Ethernet is disabled, ignore state change event
12-05 08:56:59.080 D/ConnectivityService(675): ConnectivityChange for WIFI: DISCONNECTED/DISCONNECTED
12-05 08:56:59.080 D/ConnectivityService(675): Attempting to switch to BLUETOOTH_TETHER
12-05 08:56:59.080 V/EthernetStateTracker(675): reconnect +++
12-05 08:56:59.080 D/ConnectivityService(675): Attempting to switch to ETHERNET
12-05 08:56:59.094 D/ConnectivityService(675): resetConnections(wlan0, 3)
12-05 08:56:59.201 I/EthernetStateTracker(675): stop dhcp and interface
12-05 08:56:59.208 D/Nat464Xlat(675): requiresClat: netType=1, hasIPv4Address=false
12-05 08:56:59.208 D/ConnectivityService(675): handleInetConditionChange: no active default network - ignore
Especially this line:
12-05 08:56:59.080 D/ConnectivityService(675): ConnectivityChange for WIFI: DISCONNECTED/DISCONNECTED
Is this issue already known? Has someone a solution for me?
Thanks in advance,
Christian

That really shouldn't affect it.
I'm a little stumped because I haven't seen this issue with this device before. The only similar issue I found was this, and it's unresolved.
Have you tried doing a hard reboot of the Slate 21?
I work on behalf of HP (But this isn't my job)
Mark my post as “Accept as Solution" if you feel my post solved your issue, so that others with the same question can find the answer.
Please give me Kudos if I wrote something that helped you.

MacBook Air WiFi Connectivity Issue

I bought a MacBook Air 13" yesterday and I've noticed that my WiFi keeps dropping out. The WiFi icon in the menubar says it's connected and network in sys prefs says so too. But no pages will load and I can't ping anything. I have to turn WiFi off and back on for it to work. I've noticed it also does this with my iMac (mid 2011). On my old 2011 MacBook Pro 13" I never had this issue.
Does anyone have any solutions or should I just take it to Apple?

Not an issue with my router. Works fine on all my other devices, and I had the same issue earlier today at a different location using a different network.

Problems with Macbook pro Wifi connection

I purchased a new Macbook Pro 13.3 - and am having problems with disrupted connection of my Wifi - I experienced the issues after I deauthorized all of my computers (because I was at my limit). when I reauthorized my new Macbook, I keep getting kicked off the Wifi (all other computers,ipods, iphones in teh house have no issues with wifi connection). Is there something that I need to re-establish so that the wifi doesn't keep turning off?

Try deleting the wifi connection in System Preferences, then recreating it.

MacBook Pro wifi connected but won't load Internet

I've connected my MacBook Pro to my local wifi connection and it tells me that it is connected, but I can't run anything on it that needs an Internet connection (eg. Google Chrome, Skype etc.)
I've ran the 'Assist Me' checks in the Network Preferences and results have found the wifi connection to be positive..
I am so confused by this!! Somebody please help?!

First contact your ISP. You need to confirm that the issue is not on their end.
Change your router channel. Sometimes this is all you will have to do.
Power cycling the router. Read the router's user manual or contact their tech support for instructions.
System Preferences/Internet & Network/Network
Unlock the padlock
Locations: Automatic
Highlight Airport
Click the Assist Me button
In the popup window click the Diagnostic button.
System Preferences/Network- Unlock padlock. Highlight Airport. Network Name-select your name. Click on the Advanced button. Airport/Preferred Networks-delete all that is not your network.
Place a check mark next to "Remember networks this computer has joined." Click the OK button and lock the padlock. Restart your computer.
http://support.apple.com/kb/TS1920 Mac OS: How to release and renew a DHCP lease
No internet connection (wireless)
Check to see if an extra entry is present in the DNS Tab for your wireless connection (System Preferences/Network/Airport/Advanced/DNS).
Delete all extra entries that you find.
Place a check mark next to "Remember networks this computer has joined."
Other resources to check into:
Configuring 802.1X in Mac OS X Lion and Later
Non-responsive DNS server or invalid DNS configuration can cause long delay before webpages load
Netspot
How to diagnose and resolve Wi-Fi slow-downs
Pv6 troubleshooting
OS X Mountain Lion: Check the status of your network connections
OS X Mountain Lion: Requirements for wireless Internet access
What Affects Wireless Internet?
Solutions for connecting to the Internet, setting up a small network, and troubleshooting
If using one of Apple's Airport routers, read its user manual or post in its forum area. If using a 3rd party router, read its user manual, contact their tech support department/website or post in its forum area. Another possible solution - read mammothsuziq response https://discussions.apple.com/message/22082360#22082360

New retina MacBook Pro - WiFi connectivity problems

Dear all,
I've recently purchased the new Haswell 13" retina MBP, and I'm having exactly the same WiFi connectivity problems the 2013 Airs had. I have a solid connection for a short time, and at irregular intervals it just drops out. All of my other devices are still connected and have no problems. I've tried with two different routers/modems, but the problem persists.
Is this a known problem - with hopefully a software fix in the forseeable future, or do I need to return the MacBook?
Many thanks in advance for your help,
Nic

I haven't got a Retina, but I do have the same wifi problem. And if you've looked at these forums, you'll see it's been going on for years and no one seems to have a handle on what the issue is. All I can say is if I were in your place I'd take it back and exchange it. You have the chance now, so take it.

MacBook Pro 15" connectivity Issue. Everything else works great; PC's and smaller MacBooks, but everyone with a 15" model is having connection issues.

So I have a 15" Macbook Pro. About two months ago I started having issues connecting it on my network at work. Every other 15" MacBook pro is having the same issue. When the wireless connects, it often comes back with a connection timeout, or it connects to the router, and DHCP doesn't give it an IP addess. Static IP doesn't work. There are the odd place where I can connect regularly, but they are few and far between. I have great singnal strength, but it's just really flaky.
My network Admin can't figure it out. all the PCs are working fine, and even MacBooks and 13" Macbook Pros are working. The problem seems to be common to MacBook Pro 15", AppleTV, iPad. Anyone got any ideas?

Hello Sepehr.E,
Thank you for the details of the issue you are experiencing with Wi-Fi on your MacBook Pro. I would be concerned about this too.
I'm not sure if you have tried these steps yet, but I recommend following the steps in the following article to resolve an issue like the one you described:
Wi-Fi: How to troubleshoot Wi-Fi connectivity
http://support.apple.com/kb/HT4628
Thank you for posting in the Apple Support Community.
Best,
Sheila M.

MacBook Pro Wireless Connectivity Issues

For some reason My MacBook Pro has been connecting to my Airport Extreme/Express no problem and works with no problem, but after a little time is says that there Safari can not connect to the server. The bars on the my Airport on the the top bar still has all four bars regardless if I can get online or not.
The weird thing is that when it "can't connect to the server" then everything wireless goes. Nothing in my network settings has changed, nothing has been moved, and nothing has been added to effect the network. Connecting wired is no problem however.

Hi, here is the way to Zap""
http://support.apple.com/kb/HT1379
I had the wireless issue, Zapped as per above, reset my wireless network name & password then ReBooted..OK now..

IMac/Macbook Pro WiFi connectivity weak.. iPad1 good

Hi, I'm having very spotty connection problems, stalling, pages not loading, working for a few min then stalling again on my imac and macbook pros (2011) models. But the iPad 1 is rock solid connecion. What can I do to get my computers to have as good as a connection?
Thanks

Hello Passenger57,
First update your User Profile if you are no longer at 10.6.5 of Snow Leopard.
Wireless Improvements
Move the Base Station If interference is particularly bad in one part of your house or office, move the base station to another location. But this can be tricky if your AirPort base station has to connect to the broadband feed coming into the house and that feed happens to enter at a particularly interference-prone spot.
Use the 5GHz Band Compared with the 2.4GHz band, the 5GHz band is practically empty. The newest AirPort Extreme Base Station is one of the few Wi-Fi base stations designed for home use that work in that 5GHz band. All of Apple’s Core 2 Duo laptops and iMacs (except the discontinued 17-inch 1.87GHz model) can also use the 5GHz band; with the build-to-order wireless option, so can the Mac Pro.
To switch to the 5GHz band, launch AirPort Utility, select your base station, and switch to Manual Setup. Click on the AirPort button and select the Wireless tab. Select 802.11n Only (5 GHz) from the Radio Mode pop-up menu. Click on the Wireless Options button and select Use Wide Channels. Click on Update to restart the base station.
Currently, no Mac-compatible adapters enable you to use the 5GHz band in older Macs or with older versions of OS X.
Also by unchecking the "Ask to Join Networks" box and deleting any networks you don't use from your Preferred Networks panel and moving your network to the top of the list by dragging it there may help.

MacBook Pro Wireless Connectivity issues - Possibly Resolved

I have been having the same issue as many people with the WiFi connectivity dropping over and over. This has been a total hair pulling experience. I searched all over the internet and have not found a solution so I started digging and dianosing this profound problem. It appears as of now, that it has been fixed in my case so I wanted to share it with others and hopefully it helps you guys out as well.
*If you are using a router with Wi-Fi Protected Setup (WPS) enabled, you need to disable it.* My connection was dropping every 15 or so minutes but has been up for quite a while now without the need to turn off and on Airport. Give it a try, hopefully your results will be successful.

BTW: If you try this and it works for you please reply back so we can give more information to the Mac Users out there.

Windows 8 pro and 8.1 pro WiFi connection issues

I hope to start a meaningful dialogue with Microsoft about the WiFi issues that Windows 8 and 8.1 have.
I've been deploying Windows 8 and 8.1 since the Surface Pro was released. Since then we've deployed about 50-75 Surface Pro, Surface Pro 2, Dell Latitude 7000 series, Lenovo Yoga 13 IdeaPad and Lenovo Yoga Thinkpad devices. Some have Windows
8 pro, some have been upgraded to 8.1 Pro, and some were purchased with native 8.1 Pro builds on them. All of these devices have difficulty with wireless in one form or another. We were able to reduce some of the problems (not eliminate) on our
corporate LAN over the last year by turning off Windows' ability to turn off the wireless adapter to save power, or turning off some of the offload or chimney or other advanced capabilities of the adapters. Problems were still present, but less so.
Many of our users were able to be on the wired LAN, so the issues were somewhat glossed over.
We were finally able to fix our Wireless LAN issue (we believe everything is working as expected after 2 weeks of testing and observation) by updating the controller and AP firmware for our Aruba wireless infrastructure (we have one controller and 11 ap's
across 5 well connected sites). This is great- sort of...
The problem is that while it's now very obvious that in our case, updating the firmware on our corporate WiFi is able to get the various 8 and 8.1 devices working on our LAN, this is not a true fix as it does not address our mobile and wireless capabilities
while:
1. traveling
2. working at a partner's or customer's location and connecting to their WiFi
3. Working from Home
4. Etc.
We obviously can't update everyone's AP/wireless router firmware. The solution, by necessity, must reside on the Windows 8/8.1 machine and it's inability to reliably connect and stay connected to existing Wifi networks. I want
to know the current state and thinking that Microsoft has regarding this persistent issue (searching for "Windows 8.1 wifi" in the "Windows 8.1 IT pro" forums on TechNet returned 4000+ results). Ignoring or not addressing this
problem head on is a huge mistake. Let us know the root cause (SOMETHING has changed in the Network/IP stack) and a solution to work around the cause.
I'll conclude like this: I KNOW that some Wifi issues can be resolved with firmware updates to WiFi routers/APs. I KNOW that some WiFi issues can be resolved with driver updates or, in some cases, downgrades. I KNOW some Wifi issues can be resolved
by uninstalling Intel ProSET, or getting manufacturer direct drivers. I KNOW some issues can be resolved by turning off Windows' ability to turn off the adapter when "not in use" to save power. I KNOW some owner's of Windows 8/8.1
machines have downgraded to Windows 7 or XP or abandoned Microsoft altogether and move to Linux or Mac. The ONLY common problem across all of these solutions, is Windows 8/8.1. Therein MUST lie the ultimate answer.
DLovitt

I hope to start a meaningful dialogue with Microsoft about the WiFi issues that Windows 8 and 8.1 have.
I've been deploying Windows 8 and 8.1 since the Surface Pro was released. Since then we've deployed about 50-75 Surface Pro, Surface Pro 2, Dell Latitude 7000 series, Lenovo Yoga 13 IdeaPad and Lenovo Yoga Thinkpad devices. Some have Windows
8 pro, some have been upgraded to 8.1 Pro, and some were purchased with native 8.1 Pro builds on them. All of these devices have difficulty with wireless in one form or another. We were able to reduce some of the problems (not eliminate) on our
corporate LAN over the last year by turning off Windows' ability to turn off the wireless adapter to save power, or turning off some of the offload or chimney or other advanced capabilities of the adapters. Problems were still present, but less so.
Many of our users were able to be on the wired LAN, so the issues were somewhat glossed over.
We were finally able to fix our Wireless LAN issue (we believe everything is working as expected after 2 weeks of testing and observation) by updating the controller and AP firmware for our Aruba wireless infrastructure (we have one controller and 11 ap's
across 5 well connected sites). This is great- sort of...
The problem is that while it's now very obvious that in our case, updating the firmware on our corporate WiFi is able to get the various 8 and 8.1 devices working on our LAN, this is not a true fix as it does not address our mobile and wireless capabilities
while:
1. traveling
2. working at a partner's or customer's location and connecting to their WiFi
3. Working from Home
4. Etc.
We obviously can't update everyone's AP/wireless router firmware. The solution, by necessity, must reside on the Windows 8/8.1 machine and it's inability to reliably connect and stay connected to existing Wifi networks. I want
to know the current state and thinking that Microsoft has regarding this persistent issue (searching for "Windows 8.1 wifi" in the "Windows 8.1 IT pro" forums on TechNet returned 4000+ results). Ignoring or not addressing this problem head on is a huge
mistake. Let us know the root cause (SOMETHING has changed in the Network/IP stack) and a solution to work around the cause.
I'll conclude like this: I KNOW that some Wifi issues can be resolved with firmware updates to WiFi routers/APs. I KNOW that some WiFi issues can be resolved with driver updates or, in some cases, downgrades. I KNOW some Wifi issues can be resolved
by uninstalling Intel ProSET, or getting manufacturer direct drivers. I KNOW some issues can be resolved by turning off Windows' ability to turn off the adapter when "not in use" to save power. I KNOW some owner's of Windows 8/8.1 machines
have downgraded to Windows 7 or XP or abandoned Microsoft altogether and move to Linux or Mac. The ONLY common problem across all of these solutions, is Windows 8/8.1. Therein MUST lie the ultimate answer.
DLovitt
THIS.
I have been going through the same efforts as DLovitt with no joy. I have ruled out all variables which leads directly to something with Win 8/8.1 being the problem. Very frustrating that I cannot find a fix anywhere.
Subscribing to this thread in the hopes an answer is forthcoming.

Macbook Pro WiFi connectivity issues

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