Ethernet works, wireless does not. Internet connection issues.

This is my very first post, I hope it will be helpful and save people the grief that I went through.
Yesterday, on Wednesday, for some reason my MacBook "AirPort" would show full bars at the top of the screen but when I opened Safari or iTunes, I had no connection. What's weird is that I had never changed the settings since getting my laptop a year ago and they were locked as well.
I connected through Ethernet cable directly into my WRT54G linksys router and the connection was good. What was strange is that my wife's MacBook had no problems connecting wirelessly.
I tried everything I could think of. Rebooting my computer. Restarting the router and cable modem. Tinkering with the TCP/IP numbers. I updated my OS from 10.6.4 to 10.6.5 and updated Safari and iTunes. Nothing worked.
My wife and I went through every single post on the Apple forum discussions site. We tried some interesting things. Putting a $ character before the password. Changing the DNS server numbers. Doing stuff in the unix console. Changing the time on my computer. Nothing worked.
I booted from the Applications disc that my MacBook came with and did the Hardware Diagnostic Test. No hardware issues, thank goodness.
We tried everything we could think of. Finally, I gave in and called the Apple store closest to me, they transferred me over to Apple Support and I spent 2 hours on hold. I got fed up and called, while still on hold with my phone, with my wife's phone. I got a recorded message, "Sorry our offices are closed." That was quite frustrating to hear.
So I got online through my Ethernet connection and booked an appointment at the Apple store to see a Apple Genius. Went to bed hoping that the next day, I could boot my MacBook and wirelessly connect miraculously.
The next day (today), I gave the wireless connection a try. Same problem. Full bars, no connection.
Off to the Apple store.
At the Apple store, my Genius guy connected my MacBook to their store internet wirelessly and then tested the connection. It worked. Then he ran Disk Utility to verify/repair disk permissions.
Apparently, he says he runs Disk Utility once a week to fix disk permission problems on his own computers. Why would I have disk permission problems when I'm the only user on my own computer? He states that when separate programs are run, they all access user permissions and some programs that are buggy alter these permissions or files when they're not suppose to.
Apparently, according to Disk Utility, that's what happened and my permissions thing could not be repaired.
* * * The **ONLY SOLUTION** was a re-installation of system software. * * *
So, I brought my laptop home and did a re-installation. Reboot your laptop with the boot disc the computer came with, by holding down the "C" key after you turn it on. For some reason it took a few minutes just to boot from the boot disk, it felt like I was holding down the "C" key forever. The re-insall took about 50 minutes.
The problem was FIXED.
The only thing that I appear to have lost are the desktop pictures that I downloaded and put in the Library -> Desktop Pictures folder. Everything else appears normal so far.
I'll be running Disk Utility more often from now on. Apple Genius guy says that Disk Utility should be run after booting from the boot disc because it will be more thorough than running it when booting off your laptop.

So, the same problem occurred and in a relatively shorter time than before. I began to think that something is causing this problem.
My theory is that it is a VMWare software issue. What I've been doing differently recently is using it in "Unity" mode as opposed to "Full Screen" mode. My guess is that the program is modifying my wireless permissions and screwing it all up.
So, what I've done is set the "Network Adapter" to "Host-Only". This denies the VMWare program internet access but still allows file sharing between the Windows virtual environment and the Mac hard drive.
Then I had to re-install Mac OS X all over again to fix the wireless settings/permissions mess.

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Wireless does not hold connection with b43 driver!

Hi everybody!!
It's my first time here in the forum, so nice to meet you.
I have a laptop Acer Aspire 3050 and I recently formatted it to install the new Arch 2009.08.
It's pretty cool, but I can't make my wireless card (Broadcom BCM4318) work with b43 driver. It worked very well with Arch 2009.02, but now it's a pain!
It recognizes the driver, loads it and connect with no problems, but when I ping my desktop machine, it says that unfortunate message "Destination Host Unreachable"
It sometimes works when I do these commands about 5 or 10 times:
./connect
ping 192.168.0.1 >>> Destination Host Unreachable
ifconfig wlan0 down
rmmod b43
/etc/rc.d/network restart
modprobe b43
./connect
[... many more times]
but even when it does connect, it usually can't hold the connection for more than 15 or 20 minutes. And I have to do it all again.
Hear goes some info on configuration files so it may help you:
lspci -vk
08:04.0 Network controller: Broadcom Corporation BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller (rev 02)
Subsystem: AMBIT Microsystem Corp. TravelMate 2410
Flags: bus master, fast devsel, latency 64, IRQ 21
Memory at d0200000 (32-bit, non-prefetchable) [size=8K]
Kernel driver in use: b43-pci-bridge
Kernel modules: ssb
lsmod | grep "b43"
b43 137208 0
mac80211 155532 1 b43
cfg80211 90428 2 b43,mac80211
ssb 45988 1 b43
pcmcia 36168 2 b43,ssb
pcmcia_core 35184 5 b43,yenta_socket,rsrc_nonstatic,ssb,pcmcia
led_class 4000 3 b43,sdhci,acer_wmi
/etc/rc.conf
MOD_AUTOLOAD="yes"
#MOD_BLACKLIST=() #deprecated
MODULES=(!b43 !ndiswrapper)
#Static IP example
#eth0="eth0 192.168.0.2 netmask 255.255.255.0 broadcast 192.168.0.255"
#eth0="dhcp"
INTERFACES=()
gateway="default gw 192.168.0.1"
ROUTES=(!gateway)
DAEMONS=(syslog-ng network netfs crond hal)
I've already tried many different configurations in rc.conf, but it still does not estabilish a connection in the first try.
I'm using the driver from the wiki (http://mirror2.openwrt.org/sources/broa … .5.tar.bz2) and did not try with only ndiswrapper. It's because I want to have all functionalities from criptography and... after all, it was supposed to work, wasn't it?
Where could be the problem? The driver version? Or bad configuration?
Thanks in advance!! If you need more information, please ask.

So, the same problem occurred and in a relatively shorter time than before. I began to think that something is causing this problem.
My theory is that it is a VMWare software issue. What I've been doing differently recently is using it in "Unity" mode as opposed to "Full Screen" mode. My guess is that the program is modifying my wireless permissions and screwing it all up.
So, what I've done is set the "Network Adapter" to "Host-Only". This denies the VMWare program internet access but still allows file sharing between the Windows virtual environment and the Mac hard drive.
Then I had to re-install Mac OS X all over again to fix the wireless settings/permissions mess.

Time Capsule..ethernet works, wifi does not.

I have had issues with my time capsule and the internet being down. I can always solve it by unplugging and restarting. This time it it is just wifi that does not work, ethernet does. I have an airport extreme that I can use but would like use the TC for back ups. What can I do?

Is your TC a simultaneous dual-band model? Can any wireless device access the TC or see other wireless devices on the local network? If they can, is it that they are just not able to access the Internet?

My brand new mac pro always had Internet connection issues at school. WHY is that? I see the school's Internet working perfectly fine on other PC's, but there is never a day where my mac doesn't have Internet connection issues at school. How do I fix it?

I got my mac pro in the middle of August. School started the week after. Internet was working perfectly fine at home. But at school, I never had a good connection. Sometimes on the good days I get a connection when I'm sitting at the exact spot in class I always sit at. It's ridiculous and it's frustrating. I invested my money into this laptop and I'm beginning to regret it. I thought it was the school's Internet, but I don't see Internet issues with other PC users. It's most frustrating on registration days and I'm trying to register for my classes before it gets taken, but again... Internet connection issues. It's random. Majority of the time, it doesn't work at all. I've done Network Diagnosis and turning WiFi off then turning it on again. I've done everything I could. I put my money on this laptop and it was a lot of money. I could have bought an 800 dollars laptop and I would have Internet connection anywhere on campus. So, I don't want to continue everyday to regret on buying this laptop every time I try to connect to the Internet at school or Starbucks or anywhere else. How do I fix this? What's the problem ?
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Hi Kevin,
I'm using an XLR input mic which is connected to the phantom power enabled XLR mic socket on a USB M-Audio M-Track. The M-Track is connected by USB to the Mac Pro - so effectively I've got an M-Audio USB soundcard with a mic input. I've also tried a microphone that is a straight XLR to USB cable (guessing with some soundcard chip buried in the usb plug) but that also yields the same effect of bad latency, intermittent quality, stuttering and repeating and echoing (without the speakers on during record so its not feedback).
The mic works absolutely fine with other recording applications I have on the mac at the moment - albeit non-adobe ones (tested it on the EasyAudioRecorder - and it lives up to its name. it's easy)
I will try with Audition and report back, but sitting here right now I can imagine it would work fine with audition too - it just seems to be the way premiere is set up for recording into the timeline is a bit sketchy. I'm willing to accept it might well be a quirk with the new Mac Pro trashcan - I'm not weighting all the woes on premiere.
Any thoughts or am I out of luck to sit with my fingers crossed for a fix in the next round of updates?
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Hi there,
I have an HP p6837c, 64-bit OS with Windows 7 Home Premium. It is directly connected to the EA6900 via ethernet cable. My internet connection constantly drops (as in variably every 5 seconds to 5 minutes) then re-establishes itself. I have no internet connection issues when directly connected to the modem. All of the wirelss devices that are connected via the EA6900 are working without any issue. My husband's laptop, which has Windows 8.1, functions with no problem when directly connected to the EA6900 via ethernet cable. We've tried swapping out the cable. We've tried adjusting the MTUs per Support's suggestion. Nothing has solved the issue
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Internet Service Provider and Modem Configurations
What ISP Service do you have? Cable or DSL?
What ISP Modem Mfr. and model # do you have?
Is ISP Modem/Service using Dynamic or Static WAN IP addressing?
What ISP Modem service link speeds UP and Down do you have?
Check cable between Modem and Router and PC, swap out to be sure. Link>http://en.wikipedia.org/wiki/CAT6 is recommended.
Check ISP MTU requirements, Cable is usually 1500, DSL is around 1492 down to 1472. Call the ISP and ask.
I recommend that you have your ISP check the cabling going to the ISP modem, check signal levels going to the ISP modem. For cable Internet, RG-6 coaxial cable is needed, not RG-59. Check for t.v. line splitters and remove them as they can introduce noise on the line and lower the signal going to the ISP modem. Connecting to the ISP modem could result in a false positive as the signal to the modem could be just enough to that point then adding on a router, could see problems. The router operation is dependent upon getting good data flow from the ISP modem and the modem is dependent upon getting good signal from the ISP Service.
Router and Wired Configurations
Setup DHCP reserved IP addresses for all devices ON the router. This ensures each devices gets its own IP address when turned on and connected, eliminates IP address conflicts and helps in troubleshooting and maintain consistency for applications that need to connect as well as mapped drives.
Ensure devices are set to auto obtain an IP address.
If http://en.wikipedia.org/wiki/Ipv6 is an option on the router, select Local Connection Only.
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Turn off all anti virus and firewall programs on PC while testing. 3rd party firewalls are not generally needed when using routers as they are effective on blocking malicious inbound traffic.
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Windows 8.1/IE 11 Does Not Automatically Connect to the Internet

Windows 8.1/IE 11 Does Not Automatically Connect to the Internet
I can't find the dial and redial options anywhere.
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Hi,
Sorry for my dilatory reply, what does your mean that IE dialing to connect to internet? Did your system can connect to Internet? or just IE 11 couldn't connect to internet. you can
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If you need further assistance on this particular issue or any other Windows related issue, let us know and we will be glad to assist you.
Roger Lu
TechNet Community Support

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if you renamed your MyPassport to be something else (for example) mypassport555, then you need to enter: mypassport555.localThat was the most helpful thing I read today, so I'd to register to reply and thank you.Thanks for that, pal. Really appreciate it.

Does not automatically connect to wireless network anymore

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Hi sashton,
When troubleshooting Wi-Fi connectivity issues, I find the following resource has the most relevant information:
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http://support.apple.com/kb/HT4628
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http://support.apple.com/kb/HT4450
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http://support.apple.com/kb/HT4199
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Hello
On this way it is not easy to say what the problem is. I assume that you got some installations software for your external device. Install it and it should works.
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Bye

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http://appletoolbox.com/2010/04/ipad-wi-fi-problems-comprehensive-list-of-fixes/
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~~~~~~~~~~~~~~~
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 Cheers, Tom

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stabele wrote:I have two maybe naive question:
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Ethernet works, wireless does not. Internet connection issues.

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