Mavericks breaks WiFi

Hello Everyone,
I'm not sure if I'm the only one who've seen this, but I upgraded from OS X Lion to Mavericks on my Macbook Pro today and noticed that my WiFi connection was broken ever since. It says "Connected," but I cannot ping any websites. Every time I turn off the wifi and turn it back on, I get internet connection, but it lasts only a few seconds and then goes away. Anyone knows a solution for this?
Thanks!

I posted this in another thread but it could be applicable here if you have AT&T Uverse and a Motorola NVG510 router. If not, probably does not apply...
I was having problems connecting to Wifi with my Macbook Pro (!2010), after upgrading to Mavericks. I was on the phone repeateadly with AT&T because I have Uverse. Testing everything (channels, signal strength, interference from neighboring units - I ive in a condo in Chicago) and had techs come out to check the line, ports, switches, etc. But when I hardwired the Mac into the Uverse router, it worked fine. This rulled out any problems with the line in and is a good rule/out test in any setting to isolate the problems as Wifi.
Even though I was convinced signal strength was not the problem, I considered getting a repeater but then I read that repeaters are not really good and it is better to reconfigure a router to act as an access point on the network. Plunked down about $80 for a Belkin AC750 router at Best Buy. In the setup it has an option to set it up as an access point only. Clicked that, connected it to my Motorola NVG510 Uverse modem using the lan ports on both routers and then connected to the Belkin router from my Mac. Voila! It's been a solid 11+ Mbs ever since (my plan maxes at 12Mbs) for the last two days. Connection is still solid and life if good even though it ***** to plunk down another $80 for a second router. But it was worth it just to get rid of the headaches. This also fixed problems I was having with my Airport Expresses dropping music streams all throughout the day; another major headache I just lived with for a long time even before the Mavericks upgrade.
I think the wifi capabilities of the Motorola NVG510 modem and how it connects or does not with the Mac and other Apple products generally are the cause of a lot of problems with AT&T Uverse Internet service. I don't know if any of you are on Uverse but if so, I highly recommend configuring a second router as an acces point and testing it out. Essentially, you are bypassing the wifi signal of the Motorola and using the second router/access point for the wifi signal. It can be any old router you still might have - the setup is just a bit trickier because you have to do it manually (disable DHCP, assign an IP address from the protected addresses on the first or primary router, make sure using same envryption protocols, give the same network name and password to both routers - although I did not have to do this with the Belkin).
Good luck.

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Mountain Lion/Mavericks 'breaks' wifi base station - Snow Leopard works fine

Greetings all,
(Tried this in the OSx forum with no answers, so I figured I'd try the MacMini community and this one.)
I've been reading my way toward blindness through countless threads, here and elsewhere, from countless people, having problem with Mountain Lion and Wi-Fi these last few days, but some are using Airport, some are using third-party Wi-Fi routers, some aren't really specifying what they're using, so I thought I'd be as specific as possible about my situation - and add the fact that everything is still working fine if I boot into a cloned backup using Snow Leopard.
===
So here's the situation. I have a Intel Mac Mini which I use as a Wi-Fi base station for a Intel PowerBook Pro and an iPod 5. The Mini has been running Snow Leopard, and the PowerBook had been upgraded to Mountain Lion a few months ago. Things were still working fine at that point - the PowerBook's shift from SL to ML didn't affect its connectivity as a 'receiver' at all. About a week ago however, I finally upgraded the Mini to Mountain Lion as well (so that I could install the current version of Adobe Lightroom) and lost my Wi-Fi Internet access.
When I turn Wi-Fi on at the PowerBook, the Mini's network is visible, and I get the solid Wi-Fi fan showing a full connection, but I cannot access the Internet (indicated by the exclaimation point inside the fan for the first few seconds). The same is true on the iPod - I get the checkmark showing that I'm connected, but when I try to access any Internet services will get a pop-up box telling me that the Internet is not connected.
After going through pages and pages and pages of people struggling with similar issues on sites like this, and following suggestions like deleting my preference files, repairing permissions, zapping PRAM, creating new locations, changing IP addresses etc. I got no further. But since I had cloned my hard drive just before the upgrade from Snow Leopard to Mountain Lion (thank you SuperDuper), I can reboot into Snow Leopard, and everything still works fine. With that advantage, I copied and re-created EVERY SINGLE preference in the system preferences for Network and Internet sharing* from the Snow Leopard into the Mountain Lion system. (I even went so far as to create a network in Mountain Lion's prefs. with WEP encryption instead of the newer WPA just in case that would make any difference at all.) But even with identical settings on the Mini regardless of booting into Snow Leopard or Mountain Lion, Mountain Lion remains the same - no problem connecting with the network, but complete inability to access the Internet. A few days ago, hoping against hope that an upgrade to Mavericks might reset things into some sort of working mode, I tried that - but no better result.
(*) I note that the wifi heading in the preference panes has changed from "AirPort" in Snow Leopard to "WiFI" in Mountain Lion and Mavericks, but I'm assuming that's just a change Apple made in its terminology to avoid confusion with the external AirPort options.
I would appreciate any suggestions any of you could give. And I would ask that you specify whether any suggested changes are to be made on the originating Wi-Fi station (in this case the Mini), or the receiver (in this case the MacBook). Many of the threads I've read to date can be confusing simply because they're not specifying on which machine any suggested changes need to be made, and while I'm sure there's nothing that needs to be changed at the MacBook, please specify if I'm wrong.
Thanks again,

Greetings all,
(Tried this in the OSx forum with no answers, so I figured I'd try the MacMini community and this one.)
I've been reading my way toward blindness through countless threads, here and elsewhere, from countless people, having problem with Mountain Lion and Wi-Fi these last few days, but some are using Airport, some are using third-party Wi-Fi routers, some aren't really specifying what they're using, so I thought I'd be as specific as possible about my situation - and add the fact that everything is still working fine if I boot into a cloned backup using Snow Leopard.
===
So here's the situation. I have a Intel Mac Mini which I use as a Wi-Fi base station for a Intel PowerBook Pro and an iPod 5. The Mini has been running Snow Leopard, and the PowerBook had been upgraded to Mountain Lion a few months ago. Things were still working fine at that point - the PowerBook's shift from SL to ML didn't affect its connectivity as a 'receiver' at all. About a week ago however, I finally upgraded the Mini to Mountain Lion as well (so that I could install the current version of Adobe Lightroom) and lost my Wi-Fi Internet access.
When I turn Wi-Fi on at the PowerBook, the Mini's network is visible, and I get the solid Wi-Fi fan showing a full connection, but I cannot access the Internet (indicated by the exclaimation point inside the fan for the first few seconds). The same is true on the iPod - I get the checkmark showing that I'm connected, but when I try to access any Internet services will get a pop-up box telling me that the Internet is not connected.
After going through pages and pages and pages of people struggling with similar issues on sites like this, and following suggestions like deleting my preference files, repairing permissions, zapping PRAM, creating new locations, changing IP addresses etc. I got no further. But since I had cloned my hard drive just before the upgrade from Snow Leopard to Mountain Lion (thank you SuperDuper), I can reboot into Snow Leopard, and everything still works fine. With that advantage, I copied and re-created EVERY SINGLE preference in the system preferences for Network and Internet sharing* from the Snow Leopard into the Mountain Lion system. (I even went so far as to create a network in Mountain Lion's prefs. with WEP encryption instead of the newer WPA just in case that would make any difference at all.) But even with identical settings on the Mini regardless of booting into Snow Leopard or Mountain Lion, Mountain Lion remains the same - no problem connecting with the network, but complete inability to access the Internet. A few days ago, hoping against hope that an upgrade to Mavericks might reset things into some sort of working mode, I tried that - but no better result.
(*) I note that the wifi heading in the preference panes has changed from "AirPort" in Snow Leopard to "WiFI" in Mountain Lion and Mavericks, but I'm assuming that's just a change Apple made in its terminology to avoid confusion with the external AirPort options.
I would appreciate any suggestions any of you could give. And I would ask that you specify whether any suggested changes are to be made on the originating Wi-Fi station (in this case the Mini), or the receiver (in this case the MacBook). Many of the threads I've read to date can be confusing simply because they're not specifying on which machine any suggested changes need to be made, and while I'm sure there's nothing that needs to be changed at the MacBook, please specify if I'm wrong.
Thanks again,

After Mavericks upgrade WiFi is erratic

After Mavericks upgrade WiFi network (Time Capsule) drops out frequently effecting my iPhones on iOS 7.04 - but my iPad is OK at all times. The WiFi scanner takes 5/6 minutes to scan now, 30 seconds on mounton Lion.

I can suggest a few things to try but I am yet to see a solution.. I am not prepared to move to Mavericks until a couple of revisions fix the beta standard of some of these things. TM in particular seems to have badly suffered.
Are you using wireless? Especially double hop wireless with the TC as the extend.. don't!!
Use ethernet direct to the TC and turn off wireless.. see if that helps.
Otherwise I reckon until Apple get an update use a local usb disk plugged into the computer and don't try and use TM to network drive. Or if you still want to use the network drive use something like CCC which should be fine under Mavericks since it is a much more robust software. (without lots of bells and whistles.. but functional).

Mavericks upgrade wifi or wired

I am preparing to upgrade to Mavericks. Should I connect my iMac directly to my cable modem or download using my wifi network? How much diference will it make if any?

I have the same problem.
In my case I have a router with double band, on in 2.4GHz and another one in 5GHz, the 5GHz stops to work after upgrade to Mavericks, it's takes the IP but it says it has no internet connection.
Hoping someone find out what happens. I remove the entrance in the Preferred Network, restart the system with no luck.
2.4GHz SSID works correctly.

Is it better (faster) to download Mavericks via WiFi or Cable?

I want to download the Mavericks update. I currently have Snow Leopard. Is it faster to do it via WiFi or Cable? I first tried WiFi but it seemed to take forever, so I cancelled and want to find out which is better.

Thanks, that's what I what I was looking for! I'll download it later tonight by cable.

Maverick and wifi issues

Is anyone aware of any particular or specific issues with Maverick and losing connection intermittently with access points / wifi? See link
http://howtoapple.com/mavericks-wifi-issues-fix/
We are experiencing this to some degree with our MACs primarily on Maverick.

Hello RT91,
Thank you for the details of the issue you are experiencing with connecting to your home network using an Ethernet cable or Wi-Fi on your MacBook Pro. I would be concerned about this too. I found a couple of articles I recommend for this issue.
First, I recommend reviewing this article:
Mac OS X: Troubleshooting a cable modem, DSL, or LAN Internet connection
http://support.apple.com/kb/TS1317
This second article has some additional steps specific to troubleshooting Wi-Fi connections. I recommend the full article, but the section titled "Symptom: My Mac does not connect to the Internet" stands out to me for the issue 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.

Restore from iTunes breaks wifi, iOS 6 to iOS 8

I recently switched from a 3gs to an unlocked apple factory refurb 4s. I used restore from computer backup on iTunes to transfer data and set up new phone.
Phone functioned fine for about 2 weeks, and at that point, wifi failed. Traded it in on warranty for another one, restored from iTunes again, and both wifi and bluetooth failed in less than 24 hours.
Tech at Apple Store said that restoring from computer on iTunes can put old, vestigial code on new phone, which can break the phone. He said I should set it up as new phone, and use iCloud to transfer data. He helped me set it up and do that, and while the process is not complete, it appears to me that there is no way to transfer some data, particularly on iMessage, onto the new phone. There is data on there that I need to retain access to. Is there any way to transfer that data to the new phone with out restoring from backup on computer? Alternately, is there anyway to set this new phone up by restoring from backup on computer without breaking it?

I am in the same situation. I tried to update my ipad with IOS 8. I have successfully downloaded the software and when I clicked install the ipad went into recovery mode. I assumed that its part of the upgrade process. It asked me to connect to iTunes which I did. This never happened in any of the previous upgrade. How much ever I try the ipad never got out of the recovery mode. The only way was to restore the ipad. I assumed I would get an option to restore from the last backup which I did last night so I was confident that I am not losing any data. Surprisingly it never gave me an option from where it could restore and went all the way to restore to factory settings. And alas I see the ipad is restored to IOS 8.0 but with factory settings as brand new one. And now I don't see any of the previous backup's even existing. It has erased all the previous backups.
Can you f...ing believe it. Apple can get so dumb ...no one could even imagine. It think it all died with Jobs.

Mavericks - Safari WiFi login window on startup

When I boot up my MBP, a Safari window with my apartment's WiFi login page opens automatically. It's not a full-blown Safari window, but it seems it's a "feature" for connecting to WiFi networks that require login credentials (similar to some hotels/public networks that require you to pass through a page before you can actually access the Internet). The window has a button in the bottom right corner that says "Cancel" until you log in, at which point it says "Done" and allows you to close the window once the login has occurred.
Anyways, I am annoyed by the number of times I have to enter in the same info into this window (my network requires it nearly every time I wake my MBP up from sleep; it's a nightmare). If any of you are familiar with this login window, is there a way to set up autofill? I'm not sure where to begin as the window doesn't show a URL or anything so I can't really manually enter it into the autofill settings. Even a setting to disable the window from popping up automatically might be helpful so I could just log in through the browser and more easily setup autofill. If any of you are familiar with this feature, your help would greatly be appreciated.
BTW, this didn't happen until I upgrade to Mavericks. At first it was handy to make sure I connected to the network first thing when my computer booted up, but now it's popping up constantly and you can't minimize it until you decide either to cancel the network login or fill out the form. I haven't been able to find a setting for it, and it's driving me crazy!

When I boot up my MBP, a Safari window with my apartment's WiFi login page opens automatically. It's not a full-blown Safari window, but it seems it's a "feature" for connecting to WiFi networks that require login credentials (similar to some hotels/public networks that require you to pass through a page before you can actually access the Internet). The window has a button in the bottom right corner that says "Cancel" until you log in, at which point it says "Done" and allows you to close the window once the login has occurred.
Anyways, I am annoyed by the number of times I have to enter in the same info into this window (my network requires it nearly every time I wake my MBP up from sleep; it's a nightmare). If any of you are familiar with this login window, is there a way to set up autofill? I'm not sure where to begin as the window doesn't show a URL or anything so I can't really manually enter it into the autofill settings. Even a setting to disable the window from popping up automatically might be helpful so I could just log in through the browser and more easily setup autofill. If any of you are familiar with this feature, your help would greatly be appreciated.
BTW, this didn't happen until I upgrade to Mavericks. At first it was handy to make sure I connected to the network first thing when my computer booted up, but now it's popping up constantly and you can't minimize it until you decide either to cancel the network login or fill out the form. I haven't been able to find a setting for it, and it's driving me crazy!

Upgrading to 10.5.5 breaks wifi?

Hi guys,
First off, sorry to create another post about wifi issues.
I just switched to a Mac earlier this month and absolutely love it. My only gripe is that the wireless capability of my macbook pro appears to be having some issues when I update from 10.5.2 to 10.5.5.
I dare to say so because some how the "symtoms" (erratic signal strength and disconnects) I am experiencing are very much similar to thousands of mac users and only happens after I updated to 10.5.5 through the apple software update. I was able to update using my wireless network! I have since re-installed using the bundled software discs and reverted to 10.5.2 and I have had no problems what so ever.
I have not applied all available apple updates except for 10.5.5 and still have no problems. I am now tempted to try to apply 10.5.5 update to see if the "symtoms" return.
Can someone comment if they have had wifi issues since 10.5.5?
Zed over and out!
Message was edited by: SwitcherZed

I have a new iMac and new TimeCapsule. Things were running OK'ish until I upgraded to 10.5.5 when network access started to deteriorate in an unpredictable fashion. The network would slow, and grind to a halt at times. Signal strength would vary markedly. At first I suspected the TimeCapsule and I had this replaced. the problem persisted. I bought a new MacBook Pro (I needed to transfer machines anyway) and after a brief honeymoon period of a day the problem returned. I trawled the internet and followed the tip to delete /Library/Preferences/System Configuration and indeed that would provide temporary relief but not for long.
The new MacBook Pro was installed and had the settings transferred from the old iMac. The TimeCapsule has been reset to factory settings. This has cost me days of work time.
There are countless reports of 10.5 WifI problems. Why have Apple not publicly acknowledged this and at least provided us with some reassurance that this is being addressed?

IOS 8.1.2 breaks Wifi and Bluetooth on iPhone 4s

Since I upgraded my iPhone 4s to IOS 8.1.2, i am unable to use wifi or bluetooth.
My wifi button is greyed out and I cannot turn it on.
Bluetooth will just display a spinning wheel when i turn it on.
I have tried resetting network settings twice, multiple re-boots/re-sets. Toggling Airplane mode. Turning off iCloud. All to no avail.
Just to be clear, this is not an intermittent issue or a slowdown or anything like that.
IOS 8.1.2 has completely disabled wifi and bluetooth.
Anyone else having these problems or got a resolution?

Yes, but first time in the several years to have a problem. Using Outlook on Mac with MS Exchange Server. I have Exchange set up on both iPhone and iPad. Talked to IT and they are making sure MS Exchange Server is fully updated tonight.

Kernel upgrade breaks wifi

I tried a kernel upgrade from linux-3.0.7-1 to the latest 3.2 kernel but I have an odd issue. I am using wifi on my laptop which works fine but after two/three minutes just stops working. I cannot ping my gateway anymore, but the link still seems to be up.
Does anyone know what I can do to troubleshoot this? For example, where are the logs which could give me pointers? How do I figure out what "driver" my card is using?
Has anyone had this issue before? I am using an Aspire AS3810TG-734G32n
Thanks!

ajaxas wrote:Both of you should chek what wireless driver is in use: if it's ath9k, then read this thread: https://bbs.archlinux.org/viewtopic.php?id=134374
The patches for the bug are already in 3.3-rc4 and will be in 3.2.7.
Lol, yes, I've come across that post. (and several others). Unfortunately, I'm using the rt2800pci driver. I would have to know if I was to unload &reload reload my driver.
No ath9k solution works for me. ...I did try, though.
I am already using 3.2.7 and as I said, it did get better for me but is still buggy. However, my issue (as described) is clearly a bug in the code and probably not something that cannot easily be toubleshooted on the forums. I avoided raising a bug for my particular issue before 3.2.7 because driver related wifi bugs were already being dealt with and thusfare no one else has reproduced my symptoms. If it's been fully solved for ath9k in 3.2.7 but my problem persists, than I may need to. ...it may be a related but different problem.

HT6065 Why has Apple not fixed Mavericks breaking AuthenTec USB Fingerprint readers?

Apple bought AuthenTec and shut it down to gain the technology for the iPhone. Later, they released Mavericks and broke the drivers that allow AuthenTec Eikon Fingerprint readers on Macs, despite having ample resources and time to do so.
Do the right thing and fix the driver or the OS- no other entity can do so.

I can help with the "IR Receiver" part of your question. That's the piece of hardware inside older MacBook Pros (MBPs) that lets them work with the Apple Remote. "IR" is the standard abbreviation for "infrared," the portion of the electromagnetic spectrum used by remotes for many common devices (stereos, cable boxes, Apple TVs, etc.). The remote sends a coded stream of IR pulses; a corresponding receiver in the target device "sees" the infrared light and decodes it. The MBP's internal IR Receiver sends the received signals to the processor via USB through an internal hub.
The most recent MacBook Pros have dropped the IR receiver and no longer work with the Apple Remote.

OS X Mavericks breaks Bonjour printing

Since upgrading to Mavericks none of my machines can reliably print on a wireless Canon MX885
I have followed all steps including removing MAC address filtering and making the network SID broadcast installing all the newest drivers but after few days the printer will go missing despite being seen by the TimeCapsule router as connected.
Only solution is to switch off and on the printer to be able to operate again
This is very frustrating and a clear issue with mdns responder implementation that bonjour relies on for getting devices list in the network
Apple can you get this sorted please?

It turns out the issue is with the time capsule
I have put in place an AESB 4th generation and everything works
No issues with mavericks

10.5.6 Breaks WiFi and How To Fix It

Just FYI out there.
10.5.6 messed up my WiFi for the third time this year and I fix it again by replacing the IO80211Family.kext file in //System/Library/Extensions/ folder with a version from 10.5.2
I don't know what exactly happens, but since I normally sit far away from my WiFi router, my connection gets unusable after the upgrades to 10.5.4, 10.5.5 and now 10.5.6. It works fine if I'm closer to the router but somehow having a weaker signal makes it very unreliable. I have never experienced that behavior with a PC system at the same spot in the house and as I said above, it gets totally fixed by replacing the file above.
APPLE, ISN'T IT TIME TO ADDRESS AND FIX THIS ISSUE. MAYBE YOU NEED TO INCLUDE DETAILED HACKING INSTRUCTIONS TO THE NEXT UPDATE SO PEOPLE CAN FIX THE MESS IT CREATES.

William Kucharski wrote:
kpopov wrote:
10.5.6 messed up my WiFi for the third time this year and I fix it again by replacing the IO80211Family.kext file in //System/Library/Extensions/ folder with a version from 10.5.2
I'm glad this works for you, despite the security holes and changes in operation you introduce into your system by doing this.
There are also a significant number of people who report 10.5.6 fixed their Wi-Fi issues.
*So I appreciate you've had problems, but Apple hasn't "fixed this issue" because as far as they can tell, yours isn't a general case bug.*
Have you opened an AppleCare case for your issue or opened a bug via the Apple Bug Reporter?
By the way, despite what others say, my MacBook Pro was migrated from a PowerPC iBook and I've had no Wi-Fi issues whatsoever, so it's not necessarily a bad move.
This is the exact same thing that's happening to me (and thousands of others) so I'm not sure how much of a "general case bug" it needs to be for Apple to get off their cans and do something about it.
I appreciate you appreciating that we have problems, but if we've tried EVERYTHING, the only thing we can do is wait on Apple to fix the mess THEY'VE made.
By the way, it's taken 20 minutes to post this due to constant connection drops. I can't file a bug report as someone else mentioned because I can't stay connected long enough for the page to load.

[SOLVED] linux 3.5.4 breaking wifi using rt2800usb

After upgrading to linux-3.5.4-1, I could no longer bring up the wlan0 interface. I returned to linux-3.5.3-1 and the problem was resolved. After installing 3.5.5-1, the problem has returned.
The wifi model is Buffalo WLI-UC-G300HP and it uses the rt2800usb module.
I'm going to reinstall 3.5.5-1 right now and save the error output so that I post it.
Last edited by ibid (2012-10-10 04:31:37)

This is the error I receive after trying to connect using wpa_supplicant.
rfkill: Cannot open RFKILL control device
Could not read interface wlan0 flags: No such device
WEXT: Could not set interface 'wlan0' UP
wlan0: Failed to initialize driver interface
This is the output of lsusb, showing the device itself is identified:
Bus 004 Device 002: ID 0411:0148 BUFFALO INC. (formerly MelCo., Inc.) WLI-UC-G300HP Wireless LAN Adapter
This is the output of lsmod, showing the the rt2800usb module is not loaded, nor does it load after running modprobe -v rt2800usb (even with verbose there is no output).
Module Size Used by
ext4 438807 4
crc16 1359 1 ext4
jbd2 78720 1 ext4
mbcache 5977 1 ext4
dm_mod 70918 19
sd_mod 29271 4
ahci 20549 2
libahci 20023 1 ahci
ohci_hcd 21752 0
xhci_hcd 84338 0
ehci_hcd 41058 0
libata 167675 2 ahci,libahci
usbcore 147434 3 ohci_hcd,ehci_hcd,xhci_hcd
scsi_mod 132896 2 libata,sd_mod
usb_common 954 1 usbcore
reiserfs 239918 1
Well, now that I'm back to 3.5.3-1, I realize it may have been useful to run ifconfig wlan0 up, not just wpa_supplicant, but I'll wait for replies or other suggestions before I dive back in.
Thanks in advance.

Mavericks breaks WiFi

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